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Methodical insertions are being expanded on the video channels of information and video systems - ІЧ ІІІС, establishing the capabilities of calibration methods and methods; indicate the organization, procedure and registration of calibration results; regulate algorithms for calculating metrological characteristics (MX) ІЧ per hour of calibration and values for metrological services of energy enterprises accredited for the right to carry out calibration work ІЧ ІІІС.
- Replaces RD 34.11.205-88
Included in the Register of NTD, which operates in the electric power industry, by order of NP "INVEL" No. 101/1 dated 12/31/2009. Number STO 70238424.27.100.037-2009 KVP and thermal automation systems TES. Organization of operation and technical maintenance. Normi ta vimogi. and STO 70238424.27.100.038-2009 Automated process control systems (APCS) TES. Organization of operation and technical maintenance. Normi ta vimogi.
1. Foreign regulations
2. Calibration operations
3. Calibration procedures
4. Vimogi safety
5. Vimogi to mind calibration
6. Preparation before calibration
7. Calibration
7.1. External view
7.4. Compilation of the results of experimental research
8. Documentation of calibration results
Addendum 1. Obov'yazkovy. A repertoire of technical documentation that is provided during IC calibration
Addendum 4. Dovidkova. Attached block diagrams of the experiment during calibration of IC
List of Wikilists
This document can be found in:
Organizations:
| 10.06.1998 | Confirmed | RAV ES of Russia | |
|---|---|---|---|
| Vidaniy | SPO ORGRES | 2000 rub. | |
| Rozrobleno | AT Firm ORGRES |
Procedure guidelines - measures Channels Measurement Systems - Organization and Procedure for Calibration
- GOST 12.2.007.0-75System of safety standards. Electrical equipment. Zagalni vymogi security
- PR 50.2.016-94State system for ensuring the unity of the world. Vimogs until the end of calibration robots
- GOST 12.2.007.14-75Cables and cable fittings. Vimogi security
- GOST 12.2.007.6-75System of safety standards. Low-voltage switching devices. Vimogi security
- RD 34.03.201-97Rules of safety equipment during operation of thermomechanical equipment of power plants and thermal measures
- Federal Law 102-FZ
- GOST 8.438-81State system for ensuring the unity of the world. Information and video systems. Re-verification. underground position
- RD 50-660-88Instructions. State system for ensuring the unity of the world. Documents on methods for verifying extinction methods. Replaced by RMG 51-2002.
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RD 153-34.0-11.205-98
METHODICAL INSTRUCTIONS.
VIRTUAL CHANNELS OF INFORMATION AND VIRTUAL SYSTEMS.
ORGANIZATION AND PROCEDURE FOR CALIBRATION
Date of delivery: 2000-11-01
DISTRIBUTED BY THE JSC "Company with established, advanced technology and operation of power plants and ORGRES"
VIKONAVTSI A.G. Azhikin, S.A. Sporikhin, V.I. Osipova
APPROVED by the Department of Strategy for the Development and Science and Technology Policy of the RAT "UES of Russia" 06.10.98
The first defender of the chief O.P. Bersenev
This methodical information is being expanded on the video channels of information and video systems - ICH IIС (hereinafter referred to as ICH), establishing methods and methods of calibration; indicate the organization, procedure and registration of calibration results; regulate algorithms for calculating metrological characteristics (MX) ІЧ per hour of calibration and values for metrological services of energy enterprises accredited for the right to carry out calibration work ІЧ ІІІС.
Methodical instructions are divided in accordance with the Law of the Russian Federation "On food security", GOST 8.438-81, PR 50.2.016-94 and RD 50-660-88.
It is necessary to separate methodical insertions to calibrate the IC for specific types of IC.
With the release of these Methodical introductions, the following is published: "Methodology. Vibrational channels of information-virtual systems. Organization and procedure for verification: RD 34.11.205-88" (M.: SPO Soyuztechenergo, 1988).
1. BACKGROUND POSITIONS
1.1. Meta calibration is the determination and confirmation of the effective values of the MX and (or) the validity of the IC, which does not comply with national metrological control and visual inspection.
1.2. Calibration of ІЧ may be carried out as a complete set (complete method).
Since calibration cannot be carried out using a complete method, it must be carried out element by element (element by element method).
The elements of ІЧ ІІІС are understood around the characteristics of vibration (СІ) and the totality of ІЧ ІІІС.
When calibration is carried out using the elemental method, the primary vibrating converter (PIP) (or PIP and IP) and the electrical path ІЧ (ET ІЧ) are calibrated. Calibration of ET IC is carried out in accordance with the methods presented in these Methodological Notes.
1.3. All ICs are calibrated at intervals specified in the metrological certification (MA) certificate.
1.4. The transfer of IC, which is used for calibration, is compiled by the metrological service of the power supply industry and is confirmed by the head engineer.
1.5. The video channels of the ІІС, which support state metrological control and visibility, are consistent with Art. 13 of the Law of the Russian Federation “On the Security of Humanity and Extinction”, one must succumb to periodic revisions.
The transfer of IK, which increases the evidence, is compiled by the metrological service of the energy industry and is sent to the territorial authority of the State Standard of Russia.
Verification of ІЧ is carried out according to the methodology approved by the body of the State Metrological Service, or according to the methodology laid out in these Methodological Instructions and approved by the territorial body of the State Standard of Russia.
Interval intervals are established by the territorial body of the State Metrological Service. The adjustment of inter-verification intervals is carried out by the authority of the State Metrological Service in accordance with the metrological service of the energy industry.
2. CALIBRATION OPERATIONS
When calibration is carried out, the following operations may be performed:
verification of the availability of technical documentation on the ІІС and aggregate vibration control (ACI), which is included before ІЧ (addendum 1);
External review (section 7.1 of the Methodological Notes);
verification of the functioning of the IC (section 7.2);
determination of metrological characteristics (section 7.3);
processing of experimental research results (section 7.4);
registration of calibration results (section 8 of Methodical notes).
3. CALIBERATION
3.1. The methods of calibration (standards) are responsible for ensuring the creation and (or) saving of units of physical quantities with the greatest accuracy according to the method of transferring their value from various national standards, and so and a valid calibration (reverification) brand or certificate of calibration (reverification).
3.2. When calibration is carried out using the complete method, the standards are to be complied with and specified in the normative and technical documentation (NTD) for verification or calibration of the PIP.
3.3. With element-by-element calibration control, MX elements of the ІЧ are added, so that the standards are to be stagnated and certified to NTD from the verification and calibration of the first SI at the warehouse ET ІЧ.
3.4. It is allowed to replace the supplied standards and signal elements that are included in the ІІС warehouse, as well as the replacement of the supplied standards with other ones, since their technical and metrological characteristics are not worse than the characteristics of the standards for pp. 3.2 and 3.3.
3.5. Control over external minds is responsible for this, the absolute value of losses, which become no more than 0.1 changes in the value of the current value, which flows in, when additional losses arise from ASI, which must be entered before warehouse ІЧ.
3.6. Addendum 2 contains a list of standards and additional SIs that may be affected during calibration.
4. VIMOGI SAFETY
4.1. When calibrating the IC, it is necessary to comply with the safety requirements specified by GOST 12.2.007.0-75, GOST 12.2.007.6-75, GOST 12.2.007.14-75, Safety Rules, Safety Rules and Industrial Sanitation Yes, installed.
4.2. Before calibration is carried out, only persons who have professional training and the right to carry out calibration work are allowed.
5. VIMOGS TO THE MINDS CALIBRATION
5.1. At the time of calibration, control of external minds is carried out, the values of the parameters of which are responsible for the minds for which the MX ІЧ standard is established.
5.2. If the operating systems do not comply with the requirements of the NTD, calibration should not be carried out until the reasons have been established and clarified for the necessary reasons.
5.3. The stagnation of standards that are tested during calibration must comply with the requirements of the NTD on them and be such that the additional total loss that results from the influx of external influx values does not exceed 0, 5 main thefts of the standard.
6. PREPARATION BEFORE CALIBRATION
6.1. Before calibration, it is necessary to:
make organizational visits before obtaining permission to work;
prepare and check a set of technical documentation for the ІІС and АІ, which is included in the ІЧ warehouse, including the overflow, we will point to addendum 1;
instructing personnel on what to do with the calibration machine;
prepare calibration tables for thermoelectric transformers and thermotransformer supports, tables of rotary values of pressure differences for ІЧ vitra and level (an example of the table is provided in Appendix 3);
prepare and install standards and additional CIs to set the input signal and control the flow quantities;
establish a connection (via radio or telephone) from the methods of specifying the input signal to the methods of supplying information.
7. CALIBRATION
7.1. External view
7.1.1. Before carrying out a further inspection of the vehicle, it is necessary to check:
completeness of ІЧ;
validity of ACI seals;
the correctness and luminosity of the screen, the installation of the line connection;
the number of mechanical defects and defects of the AC that are included in the warehouse and which may affect its efficiency;
The AC grounding connection, which is included in the ICH warehouse, is consistent with the operating instructions or technical descriptions for the specific AC;
the presence of marking of the line connection.
7.1.2. For reasons of uncertainty, calibration should not be carried out until the detection of deficiencies has been eliminated.
7.2. Checking the functioning of the IC (testing)
The functioning of the IC in operation is verified by determining the value of the adjusted value of the technological parameter based on the supply of information. Since the value of the parameter that is being simulated corresponds to the operating mode of operation, it is important that it functions normally.
7.3. Value of metrological characteristics
7.3.1. The number of points to be tracked in the range of vibrations is determined.
The following points are installed according to the MA IK ІІС program with a quantity of at least 5.
The following points vary evenly across the entire range of IR values, with one point responsible for 0%, and the other for 100% of the range.
If it is impossible to trace the points 0% and 100%, then they will be replaced by points, in which case the actual values of the parameter that are being measured are calculated using the formulas:
|
Xі0 = X 0 + |Δ l| + | Δ h |; |
|
|
X i100 = X 100 - | l| - |Δ h |, |
de Xі0 і X and100 - effective values of the vibrational parameter at the follow-up points, which are located near the lower and upper limits of the ICH vibration range;
X 0 that X 100 - lower and upper limits of the vibration range ІЧ;
Δ lі Δ h - the lower and upper limits of the confidence interval of the abduction of ІЧ, indicated in the certificate of MA ІЧ ІІС.
7.3.2. Conducting experimental research
7.3.2.1. With the complete method, experimental robots focus on the designated value of the output signal of the IC at the skin to monitor the point of the range of IC vimirvania and control the minds of IC operation.
The scheme of the experiment is presented in Appendix 4 (Fig. A4.1).
7.3.2.2. With the element-by-element method, experimental robots are based on the following:
The maximum value of the absolute loss of PIP (or PIP and IP) at the follow-up points of the calibration protocol, at which the mind may be reduced:
Δ PIPmax ≤ Δ PIPd;
Δ IPmax ≤ Δ IPd,
de PIPd - the maximum permissible value of the loss of PIP, specified in the scientific and technical documentation;
Δ IPd - the maximum permissible value of the loss of IP, specified in the NTD,
the value of the output signal ET ICH at the follow-up points and control points of its operation, as well as the value of the external input values for PIP (or PIP and IP). The structural diagram of the experiment is shown in Fig. P4.2.
7.3.2.3. At the skin point that is being monitored, three precautions are carried out.
7.3.2.4. Registration of results is carried out at intervals of an hour that are equal to the PIP treatment cycle or exceed it.
7.3.2.5. The results of experimental investigations are recorded in the table. 1 and 2 protocols (addendums 5 and 6).
7.3.2.6. Connection of standards is carried out according to the NTD on ASI.
7.3.2.7. After carrying out the experimental work, the operating circuit of the ICH is updated and its operation is verified (Section 7.2).
7.4. Compilation of the results of experimental research
7.4.1. Compilation of the results of experimental investigations is based on the identified theft of ICH.
7.4.2. Processing of the results of experimental research is carried out by the algorithm.
7.4.2.1. The loss of ІЧ for the skin i-th guard at the j-th point that is to be traced is determined:
with the complete method using the formula
de - Average value of kidnapping ІЧ for three precautions;
i - the average value of the loss of IH for the two highest and two lowest values;
Δ jimin and Δ jimax - clearly the minimum and maximum values of the loss at the j-th tracking point.
7.4.3. A note about the attribute of ІЧ.
7.4.3.1. The algorithm is followed by a visualization, shown in Fig. 1.
Small 1. Block diagram of the algorithm for assigning the identity of the ІЧ before stagnation
7.4.3.2. The vibrating channel is important until the results of calibration are confirmed, since:
The operating skills of the ICH are consistent with those indicated on the MA certificate;
at all points in the range of variations and values of losses, calculated according to one of formulas (3), (4) or (5), satisfy the inequalities
And some of the inconveniences:
|
Δ l < Δ (2)+ < Δ h |
|
|
Δ l < Δ (2)- < Δ h |
8. FORMULATION OF CALIBRATION RESULTS
Following the calibration results, a certificate of calibration ІЧ ІІС is issued in the form indicated in Addendum 7.
Following the results of the verification, a certificate of verification of ICH IIC is issued using the form provided in Addendum 8.
Addendum 1
Obov'yazkov
RELEVANCE OF TECHNICAL DOCUMENTATION THAT IS PRESENTED BY IR CALIBRATION
1. Technical description ІІС.
2. Instructions for use ІІС.
3. Methodical insertions from calibration ІК ІІС.
4. Methods of calibration and verification.
5. Certificate and protocol of final calibration ІЧ.
6. Certificate about MA IK IIIC.
7. Transfer and meaning of MX elements of the ІІС, technical description on the ASI, journal about the calibration of the ASI.
8. MAIK ІІС program.
Addendum 2
ETALONIES AND ADDITIONAL SI, VIKORISTAN
WHEN CALIBRATION IS CARRIED OUT
|
Name |
Vibration range |
Main kidnapping, % |
Assignment |
|
|
1. Oliyny press |
Upper limit 6 kgf/cm2 (0.6 MPa) |
Setting the input signal with the complete method of calibrating the IC vice |
||
|
2. Pressure gauge |
Control of the input signal with the complete method of calibrating the IC vice |
|||
|
3. Deformation pressure gauge |
The upper boundary of the vimirs is 1 kgf/cm 2 (0.1 MPa) |
|||
|
4. Vise setter |
Povitrya 250 |
The upper boundary of the vimirs is 250 kgf/cm 2 (25 MPa) |
Setting the input signal with the complete method of calibration of the IC vice, the difference between the vices |
|
|
5. Pressure and vacuum gauge |
The upper boundary of the vimirs is 2.5 kgf/cm 2 (0.25 MPa) |
Setting the input signal with the complete method of calibration ІЧ vacuum |
||
|
6. Store support |
(0.01 ÷ 111111.1) Ohm |
Setting the input signal with the element-by-element method of calibrating ІЧ temperature |
||
|
7. Potentiometer for constant flow |
||||
|
8. Mutual inductance store |
(5 10 -4 ÷ 11.111) mH |
Setting the input signal using the element-by-element calibration method |
||
|
9. Dzherelo electric signals |
||||
|
10. Digital voltammeter |
Controls the value of the input signal during the element-by-element calibration method for pressure, rubbing, and leveling |
|||
|
11. Laboratory thermometer |
Price below 1 °C |
Temperature adjustment due to excessive wind |
||
|
12. Barometer |
(80 ÷ 106) 1000 Pa |
Vibration of the barometric vice |
||
|
13. August Psychrometer |
Price below 0.5 ° C |
Vymiryuvaniya vologostі vozvіrіvіd |
||
|
14. Ampere-voltmeter |
Vibration of life stress |
|||
|
15. Frequency world |
(10 ÷ 1000) Hz |
±(1.5·10 -7 Hz + 1 one rack) |
Frequency dimming |
|
|
16. Vibrating attachment |
(12 ÷ 200) Hz |
Vibration vibration |
Addendum 3
BUTTY OF GRADUATION TABLE FOR VIMIRUVAL CANAL
TEMPERATURES WITH VICORISTAN THERMOELECTRIC
TRANSFER TYPE THA WITH VIMIRY BATH RANGE 0 TO 150 °C
|
Follow up points |
Input signal value, mV |
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|
Temperature at the end of the day, °C |
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Addendum 4
Dovidkov
ATTACH BLOCK DIAGRAMS TO THE EXPERIMENT
WHEN CALIBRATED ICH
Small P4.1. Structural diagram of the experiment when calibrating ІЧ using the complete method:
PIP – primary vimiruvalny regenerator (sensor); IP – vimiryuvalny retvoryuvach;
ADC – analog-to-digital converter; K – switch; USVK - attachment of connection with calculation
complex; SPI – request for information submission; VK – obkuslyvalny complex;
PU - drukuvalny device; E - calibrated standard; ІnК – information complex
Small P4.2. Structural diagram of the experiment during calibration of IC using the element-by-element method:
a - the audio signal is supplied to the IP input; b – a visual signal is supplied to the input of the UKNP;
KK - switching device;
UKNP - devices for commutation, normalization and transformation;
c, d- connection line between PIP and ET ICH; 1
- Working mill ІЧ; 2
- calibration
Other designated divs. rice. P4.1.
Addendum 5
PROTOCOL
IR CALIBRATION USING COMPLETE METHOD
Table 1
|
Visible parameter |
Vibration range |
Umovi calibration |
Input signal value |
Signature, number |
|||||||||
|
% range of vimirs |
units of measured value X gi |
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PROTOCOL
IR CALIBRATION USING ELEMENT-BASED METHOD
Table 1
|
Visible parameter |
Vibration range |
Element ІЧ |
Pohibka ІЧ |
Summary about calibration results |
Fahivets with calibration (f.v.o.) |
Signature, number |
||||||||||||
|
PIP (or PIP and IP) |
||||||||||||||||||
|
Name |
Umovi exploitation |
Death of the Wymirs |
Name |
Umovi calibration |
Values of the input signal in units of the vimiruval value Xgi |
Values of the output signal (vimir reduction) in vimiruvan units |
||||||||||||
|
mainly Δ oj |
Dodatkova Δ gj |
|||||||||||||||||
|
________________________________________________ hiring a metrological service for the energy industry CERTIFICATE type ІІС, enterprise that operates ІІС _______________________________________________________________ name ІЧ (groups of the same type ІЧ) Actionable values of metrological characteristics ІЧ _____________________ ___________________________________________________________________________ Calibration carried out _____________________________________________ Summary about the attribution of ІЧ ___________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ Protocol No. _________ dated _____________ 20____ r. |
Addendum 8
|
__________________________________________________________ hiring to the body of the State Metrological Service CERTIFICATE Action before "___" _________ R. Vimiryuvalny Canal ____________________________________________________________ name ІК, type ІІС, enterprise that operates ІІС in warehouse ___________________________________________________________________ ASI, their serial numbers verification and on the basis of the results of periodic verification (protocol No. ___ dated _______ river) of confirmations before drying. The beater of a trusted brand or another
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Transcript
3 ZMIST 1 BASIC METROLOGICAL CHARACTERISTICS OF CALIBRATION OPERATIONS CALIBRATION VIMOGY SAFETY OF CALIBRATION PREPARATION PREPARATION PREPARATION PREPARATION OR MINIMUM RESULTS OF ADDITIVE CALIBRATION A. Scheme of verification of input analog channels (4-20) ma ADDITIVE B. Scheme of verification of input analog channels (4-20) ma in the telemechanics system ADDATOK B. Scheme for checking the intrinsically safe channels of the temperature control system and the support of the automated process control system ADDITION D. Form for the calibration protocol for the calibration of the automatic process control channels TOV NVP "Tomsk Electronic Company" 3
4 Accepted shortcuts: AWP ASU TP AGZU BG BRV ICH MH NGKM UDH – automated work station; - automated process control system; - automated group visualization installation; - comb block; - Water distribution block; - Vimiryuvalny Canal; - metrological displays; - naphtogas condensate birthplace; - Establishment of dosing of chemical reagent. TOV NVP "Tomsk Electronic Company" 4
5 This calibration technique is being expanded on the newly introduced vimirival channels of the automated process control system (hereinafter referred to as the System) within the framework of the project “Cleaning up the first-drain pit of the naphtha layer of the Kazan NDKM. Expansion. Automatic process control system.” TOV NVP "Tomsk Electronic Company" 5
6 1 BASIC METROLOGICAL CHARACTERISTICS The main metrological characteristics of the system’s vibration channels are shown in Table 1. Under the ICH system, the channels for converting the input signals for the values of the parameters of pressure, level, waste, temperature, valve position. The value of the aqueous induced destruction of the transformation is ± 0.35%. Table 1 Name of the vimiruval canal Od. vimir. Between the Vimiru Lead. submergence, % Tank farm R-5.6 Oil temperature in tank R-5.6 C (-50) - (+100) ±0.35 Oil level in tank R-5.6 m 0-12 ±0.35 PPD system Primary degassing separator C3 Water temperature C ± 0.35 Pressure at separator C3 kgf/cm 2 0.0-1.5 ± 0.35 Water level at separator C3 m 0.6-1.5 ± 0.35 Witrates water in the separator C3 m 3 /year 0-63 ± 0.35 Valve position K20 at the level % ± 0.35 Valve position K19 at the level % ± 0.35 Water drainage tank OV-1 Level and phase separation naphtha/water at the drainage tank % ± 0.35 Vise at OV-1 kgf/cm 2 0.0-1.6 ± 0.35 Temperature at OV-1 C ± 0.35 Position of valve K8.1 behind the vice % ± 0.35 Position of valve K10 .1 behind the water level % ± 0.35 Valve position K7.1 after the oil level % ± 0.25 Water drainer OV-2 Fluid and oil/water phase separation at the drainer % ± 0.35 Pressure at OV-2 kgf/cm 2 0.0-1.6 ± 0.35 Temperature at the OV-2 S sink ± 0.35 Position of the K8.2 valve behind the vice % ± 0.35 Position of the K10.2 valve behind the water level % ± 0.35 Position of the valve K7.2 Behind the RIVNE of Nafti % ± 0.25 єmnist the pydzemnsh is the drainage of E5 RIVEN in єmnosti E5 m 0.3-1.8 ± 0.35 The temperature in єmnosti E5 C ± 0.35 TISK per naginable pump 0.35 PDS temperature drainage tank pump E5 (100P) C (-50) (+150) ± 0.35 TOV NVP "Tomsk Electronic Company" 6
7 Name of the vimiruval channel Od. vimir. Between the Vimiru Lead. submergence, % Accumulation tank PPD-RV1 (700 m 3) Water flow and subphases m 0.3-7.6 ± 0.35 Water temperature in RV C (-50) - (+50) ± 0.25 Accumulation tank PPD-RV2 (700 m 3 ) Water flow and subphases m 0.3-7.6 ± 0.35 Water temperature in RV C (-50) - (+50) ± 0.35 Bush maidan 7 AGZU MERA-40 Pressure of oil at the gas collector kgf/cm ± 0.35 Oil outlet temperature C (-50) - (+100) ± 0.35 UDH Reagent temperature C ± 0.35 Reagent temperature m 0.0-1.6 ± 0 .35 Drainage capacity Pressure on the pump discharge MPa 0.0-0.6 ± 0.35 Temperature of the pump bearing (100P) C (-50) - (+120) ± 0.35 8 ± 0.35 BRV Water pressure collector MPa 0-4 ± 0.35 Water temperature in the gas collector C ± 0.35 Water vitra m 3 /year 0-63 ± 0.35 BG Water pressure in the gas collector MPa 0 -4 ± 0.35 Water temperature in the gas collector collector C ± 0.35 Vitrat water m 3 /year 0-63 ± 0.25 Kushchoviy maidanchik 10 AGZU MERA-40 Pressure of oil at the gas collector kgf/cm ± 0.35 Oil temperature at the inlet C (-50) - (+ 100) ± 0.35 UDH Reagent temperature С ± 0.35 Reagent temperature m 0.0-1.6 ± 0.35 Drainage capacity Pressure on pump discharge MPa 0.0-0.6 ± 0.35 Pump bearing temperature ( 100P) C (-50) - (+120) ± 0.35 Rivne in capacity m 0.3-1.8 ± 0.35 BRB Pressure of water in the gas collector MPa 0- 4 ± 0.35 Water temperature in the gas collector C ± 0.35 Vitrata water m 3 /year 0-63 ± 0.35 BG Pressure of water in the gas collector MPa 0-4 ± 0.35 Temperature of water in the gas collector C ± 0.35 Vitrat water m 3 /year 0- 63 ± 0.25 TOV NVP "Tomsk Electronic Company" 7
8 2 OPERATIONS OF CALIBRATION When calibration is carried out, the following operations are indicated in Table 2. Table 2 Name of operation Number of point of this method The complexity of the operation in the first place: periodic calibration 1 Preparation before calibration Carrying out calibration at all Calibration intervals once per day. TOV NVP "Tomsk Electronic Company" 8
9 3 CALIBRATION SPECIFICATIONS Calibration methods must be verified according to PR "GSI. Procedure for verification of calibration methods." When calibration is carried out, the characteristics of vibration, indicated in Table 3, will remain in place. Table 3 Main technical details. Methods of verification and metrological characteristics, additional range of vibration, loss, nominal value. High-class accuracy, low price Thermometer TM 6-1 () With Δ = ± 0, 2; CD 0.2 C Psychrometric hygrometer VIT-2 Barometer M 110 Electrical signal calibrator CA71 (20 90) % Δ = ± 7% (0 25) C CD 0.2 C; Δ = ± 0.2 C (5790) mm Hg. Art. Δ = ±1.5 mm Hg. Art. in the range of 100 to (0-20) ma, (0-55) coma, 790 mm Hg. Art. PG ± 0.025 PG ± 0.025 Note It is allowed to vary calibration methods that may provide similar or better metrological characteristics. TOV NVP "Tomsk Electronic Company" 9
10 4 SAFETY GUIDELINES When calibration is carried out, safety precautions are included in the documents: - rules of technical operation of electrical installations of householders (PTEEP); - Intergaluzev rules for protection during operation of electrical installations (POTR M, RD); TOV NVP "Tomsk Electronic Company" 10
11 5 WARNINGS OF CALIBRATION When calibration is carried out, it is necessary to pay attention to the following: core temperature, º C 20 5; water content, % 3060; atmospheric pressure, kpa, 7; live voltage, 220 4.4. Mechanical operations may remain switched off. TOV NVP "Tomsk Electronic Company" 11
12 6 PREPARATION BEFORE CALIBRATION Before calibration, the following preparation operations must be completed: - check the completeness of the System in accordance with the document OFT ATX.015 PS "Passport"; - prepare the work before working properly with the operating documentation for these items; - prepare operator's workstation for operation; - select the operating circuit diagrams using add-ons A - D. 6.1 Adjustment of the channels for converting the input flow signal at the indication of pressure, level, temperature, valve position Adjustment of channels for converting the input signals at the indication of the pressure, the difference in pressure, level, temperature, temperature is shown in Apply to the channel "Tisk at separator C3". Apply a stream value of 4.0 mA from the CA 71 calibrator to the channel input, which indicates 0.0 kgf/cm 2. Enter the value for the channel on the videogram. Increase the flow rate to 20 mA, which indicates 1.5 kgf/cm 2. Enter the value for this channel on the videogram. In the same way, adjust all channels (4.0 20.0 mA) according to the table. Adjustment of channels for converting input signals from thermometers, support for temperature readings. Adjustment of channels for converting input signals from thermometers, support for temperature readings is shown in the appendix channel "Tempera" bearing round of the drainage tank pump. input of the vimirival channel with a support value of 80 Ohm from the CA 71 calibrator. Record the value minus 50 C on the videogram for this channel. Apply a support value of 158.22 Ohm to the vimiruval channel with the CA 71 calibrator. Record the value of 150 C on the videogram for this channel. All indicated in table 1 are temperature conversion channels from support thermometers (100P). TOV NVP "Tomsk Electronic Company" 12
13 7 PERFORMED CALIBRATION 7.1 External inspection When carrying out an external inspection, complete the following operations: - check the presence of mechanical defects and damage to the coatings that affect the function nya Systems; - visually check the marking of wires at the switchboards that enter the System warehouse for compliance with the design diagrams. 7.2 Testing Testing the channel of the input stream signal (4-20) at the indicated pressure, level, loss, temperature, valve position Feed to the input channel "Vice at separator C3" stream from the CA71 calibrator in the range from 4.0 to 20 .0 ma. Control the pressure change on the videogram in the range of 0.0 to 1.5 kgf/cm 2. Test all the guidance in the table 1 channels of the flow signal conversion (4-20) ma, specifying the value of the flow in the range 4, 0 to 20.0 mA Testing of channels for converting input signals from thermometers, reference temperature value Supply to the input channel “Bearing temperature of drainage tank pump E5” reference from calibrator CA71 in the range of 80.00 to 158, 22 Ohm. Control the temperature change on the videogram in the range of minus 50 to C. Test all temperature channels from the thermometers indicated in Table 1, setting the value of the support from 80.00 to 158.22 Ohm. 7.3 Control of metrological characteristics Calibration of the channel for reversing the input stream signal (4-20) showing the pressure, level, waste, temperature, valve position. Calibration is shown on the butt channel “Vice in separator C3”. The supply to the input of the vibrating channel of the stream from the CA71 calibrator corresponds to table 4. With a stream value of 4.00 mA on the videogram, control the pressure value in the range of minus 0.00525 to 0.00525 kgf/cm 2, enter a significant protocol. The recommended form for the protocol is provided in Appendix B. Increase the flow to 8.00 mA, control the pressure value on the videogram in the range of 0.36975 to 0.38025 kgf/cm 2, enter the pressure value into the protocol. Increase the flow to 12.00 mA, control the pressure value on the videogram in the range from 0.74475 to 0, kgf/cm 2, enter the pressure value into the protocol. Increase the flow to 16.00 mA, control the pressure value on the videogram in the range of 1.11975 to 1.13025 kgf/cm 2, enter the pressure value into the protocol. TOV NVP "Tomsk Electronic Company" 13
14 Increase the flow to 20.00 mA, control the pressure value on the videogram in the range of 1.49475 to 1.50525 kgf/cm 2, enter the pressure value into the protocol. Similarly, calibrate all channels of the vice, level, waste, temperature, valve position according to Table 4-8: - Table 4 (for the vice); - table 5 (for the region); - table 6 (for vitrati); - table 7 (for temperature); - Table 8 (valve position). Table 4 Name of the vibrating channel Vibration unit Set value of the vice PPD system Primary degassing separator C3 stream, ma Acceptable vise values Vise for OV-1 Vise for OV-2 Vise for the separator C3 kgf/cm 2 0.00-0 00 0.00 1.00 1.50525 Setter water OV-1 kgf/cm 2 0.4000 8.00 0.3944 0.4056 0.0000 4.00-0.0056 0.0056 0.00 0.79 0 .8056 1.00 1.1944 1.2056 1.00 1.5944 1.6056 Setter water OV-2 kgf/cm 2 0.4000 8.00 0.3944 0.4056 0.0000 4.00- .0056 0.0056 0.00 0.7944 0.8056 1.00 1.1944 1.2056 1.00 1.5944 1.6056 Capacity of underground drainage E5 Pressure on the discharge of the drainage pump 2 2,500 8,00 2,465 2,53 5 0.000 4.00 -035 0.035 5,000 12.00 4.965 5.035 7.500 16.00 7.465 7.535 2 ZERA-40 MPa 0.00 4.00-0.14 0.14 10.00 8.00 9.86 10.14 20.00 12 .00 19.86 20.14 30.00 16.00 29.86 30.14 40.00 20.00 39.86 40.14 TOV NVP "Tomsk Electronic Company" 14
15 Name of the vibrating channel Pressure on the discharge pump Pressure of water in the discharge manifold Pressure of water in the discharge manifold Specified Unit of the value of the vise, nya Capacity of the drain MPa BRV MPa BG MPa Acceptable values of the vim 0.0000 .0021 0.1500 8.00 1, 1479 0.1521 0.00 0.2979 0.3021 0.00 0.4479 0.4521 0.00 0.5979 0.6021 0.000 0.0 0.00 0.986 1.014 2.000 12.00 1.986 2.014 3, 000 16.00 2.986 3.014 4.000 20.00 3.986 4.014 0.000 0.0 .986 1.014 2.000 12.00 1.986 2.014 3.000 16.00 2.986 3.014 4.000 20.00 3.98 6 4.014 Table 5 Name of the vibrating channel Dimming units Specified value of the level of the strum, ma Acceptable values of the vibrating value oil level in the tank water level in the separator Tank farm R-5.6 0.00000.0 0.00 2.958 3.042 6.000 12.00 5.958 6.042 9.000 16.00 8.958 9.042 12.000 20, 00 11,958 12,042 PPD system Primary degassing separator C3 0 .00 0.6001 00 15 TOV NVP "Tomsk Electronic Company" 15
16 Name of the vibrating channel Dimming units Set value of the level of the stream, ma Acceptable values of the vibrating value Riv and phase separation naphtha/water in the drainer Rivne and phase separation naphtha/water in the drain Rhubarb water in tank E5 Rhubarb water and phase separation Rhubarb water and phase separation Rhubarb Capacity Water drainage tank OV-1% Water drainage tank OV-2% Capacity underground drainage E5 m Accumulation tank PPD RV1 (700 m 3) m Accumulation tank PPD RV2 (700 m 3) 0.00 0.00 0.00 00 1.00 1.00 0.00 2.00 3.00 5.00 7.00 0.32555 m 2.00 2.00 3.00 5.00 7.62555 Bush Maidan 7, 10 UDH m Drainage capacity m 0.0000 4.00-0.0056 0.0056 0.4000 8.00 0.3944 0.4056 0.00 0.7944 0.8056 1.00 1.1944 1.2056 1.00 1 1.6056 0.00 0.00 0.00 1.00 1.00 1.80525 TOV NVP "Tomsk Electronic Company" 16
17 Table 6 Name of the vibrating channel Dimming unit Specified value Vitrate of the struma, ma Acceptable values of the vibrating value PPD system Primary degassing separator C3 0.0000 4.00-0.2205 0.2205 Vitrate of water in s eparators 0 0 .00 31.00 44, 00 54.00 62.2205 Kushchoviy Maidanchik 7, 10 BRV 0.0000 4.00-0.2205 0.2205 Vitrata water m 3 / h 31.5000 8.00 4.00 00 54.00 62.2205 BG 0 .0000 4.00-0.2205 0.2205 Vitrate of water m 3 / year 31.5000 8.00 31.00 44.00 54.00 62.2205 Table 7 Temperature of oil in the reservoir P-5.6. (-13.025) (-11.975) 25.000 12.00 24.475 25.525 62.500 16.00 61.975 63.000 20.00 99.525 PPD system Primary degassing separator
18 Name of the evaporation channel Temperature at the OV-1 sump Temperature at the OV-2 sump Temperature in the E5 tank Water temperature in the RV Water temperature in the RV Oil temperature at the outlet of the evaporation unit Temperature set value tury, Water drainer OV-1 Drainage drainer E5 struma, ma Acceptable value of vimiruvanny value, Accumulation tank PPD RV1 (700 m 3) Accumulation tank PPD-RV2 (700 m 3) -50.00 4.00 (-50.35) (-49.65) -25.00 8.00 ( -25.35) (-24.65) 0.00 12.00-0.35 0.35 25.00 16.00 24.65 25.35 50.00 20.00 49.65 50.35-50 .00 4.00 (-50.35) (-49.65) -25.00 8.00 (-25.35) (-24.65) 0.00 12.00-0 .35 0.35 25 .00 16.00 24.65 25.35 50.00 20.00 49.65 50.35 Kushchoviy Maidanchik 7, 10 AGZU MERA-40-50,000 4.00 (-55.92) -12.500 8.00 (- 13.025) (-11.975) 25.000 12.00 24.475 25.525 62.500 16.00 61.975 63.000 20.00 98.52
19 Name of the vicinity channel Temperature of the reagent Temperature of the water in the anterior collector Temperature of the water in the anterior collector Units of vimiruvannaya UDH BRV BG Set value Temperature, Strum, ma Acceptable values of vimiruvana value, Table 8 Name on the vimiruval channel K1 level % Set value of valve position, % PPD system Separator primary degassing C3 Strum, ma Acceptable values of the measured value, % 100.0 20.00 99.65 100.35 TOV NVP "Tomsk Electronic Company" 19
20 Name of the vibrating channel Unit of vibrating Valve position K8.1 behind the vice % Valve position K10.1 behind the water level Valve position K7.1 behind the oil level Valve position K8.2 behind the vice % Valve position K10.2 behind the water level Valve position K7. 2 behind the oil level The value of the valve position is set, % Water drainer OV-1 % % Water drainer OV-2 % % Strum, ma Permissible values of the adjusted value, % Values to display pressure, pressure difference, level, loss, temperature, valve position guilty go beyond the limits of the values in the columns "Acceptable values of the measured value" table 4 8. TOV NVP "Tomsk Electronic Company" 20
21 7.3.2 Calibration of the channel for converting the input signals from thermometers, the temperature value reference When calibrating the channels for converting the input signals from thermometers, the temperature value support is corroded by GOST R. Calibration is shown on the application channel “Temperature drainage pump bearing". The input to the vibration channel support from the CA71 calibrator is consistent with Table 9. With a support value of 80.00 Ohm at the operator's workstation, control the temperature values in the range from minus 50.7 to minus 49.3 C, enter the values temperature in the protocol. The recommended form for the protocol is provided as an addendum to this technique. Increase the reference to 100 Ohm, control the temperature values at the operator’s workstation in the range of minus 0.7 to 0.7 ºС, enter the temperature values into the protocol. Increase the reference to 119.70 Ohm, control the temperature values at the operator’s workstation in the range of 49.3 to 50.7 ºС, enter the temperature values into the protocol. Increase the reference to 139.11 Ohm, control the temperature values at the operator’s workstation in the range from 99.3 to 100.7 ºС, enter the temperature values into the protocol. Increase the reference to 158.22 Ohm, control the temperature values at the operator’s workstation in the range from 149.3 to 150.7 ºС, enter the temperature values into the protocol. Calibrate all temperature channels in the same way according to Table 9. The temperature readings do not fall outside the values indicated in the section “Acceptable values of the measured value” of Table 9. Table 9 Name of the temperature channel Bearing temperature and drainage pump Em00 100P) Temperature units The temperature value is set, C PPD system Underground drainage capacity E5 C Bush maidan 7, 10 Drainage capacity C Support Ohm Acceptable values of the measured value -50.0 80.00 (-50.7) (-4 ) 0.0 100.00-0.7 0 .7 50.0 119.70 49.3 50.7 100.0 139.11 99.3 100.7 150.0 158.22 149.3 150.7 -50.000 80.00 (-50.595) (-49.405 ) -7.500 97.02 (-8.095) (-6.905) 35.82 34.405 35.595 77.405 76.905 79.5 follow the formulas (1) i A = F(x) + Do (1) B = F(x) - Do (2), TOV NVP "Tomsk Electronic Company" 21
22 de A and B - obviously the lower and upper boundaries, in which there may be output signals ІЧ; F(x) - Vimirians meaning; D o - permissible values of the loss, as determined by the formula:. N D o = , (3), 100 de - Acceptable damage to the vimiruval canal in %, 0.25; N – channel dimming range. TOV NVP "Tomsk Electronic Company" 22
23 8 REGISTRATION OF CALIBRATION RESULTS Positive calibration results are documented by a protocol and an entry in the results form and the date of calibration. The results of IC calibration are considered positive, since the error is within the permissible limits at all points that are verified. If at one point that is checked, even if there is one line at one point, there is a failure to leave the specified borders (exceeds the permissible values), then the ICH is rejected, which prompts repair and re-conducting calibration of ІЧ after repair. TOV NVP "Tomsk Electronic Company" 23
24 ADDENDUM A (obov'yaskovy) Scheme for checking input analog channels (4-20) MA TOV NVP "Tomsk Electronic Company" 24
25 TOV NVP "Tomsk Electronic Company" 25
26 TOV NVP "Tomsk Electronic Company" 26
27 ADDENDUM B Scheme for checking the input analog channels (4-20) in the telemechanics system of TOV NVP "Tomsk Electronic Company" 27
28 ADDENDUM B Scheme for checking spark-safe channels and thermometer support of automated process control system TOV NVP "Tomsk Electronic Company" 28
29 ADDENDUM D Scheme for checking spark-safe channels and adjusting thermometer support in the telemechanics system of TOV NVP "Tomsk Electronic Company" 29
30 ADDENDUM D (recommendations) Date of calibration Calibration was carried out: Protocol form PROTOCOL of calibration of calibration channels of automated process control systems temperature humidity barometric pressure During calibration, the steps of the process were stagnated Name, type C І date of last check Vise in separator C3" Name of the vibrating channel, vibrating range, unit of vibration Separator pressure C3, (0 1.5) kgf/cm 2 Vimiryan values Set the value of pressure strum, ma; Acceptable values of the modified value 0.00-0.00 0.00 0.00 1.00 1.50525 Actual theft of TOV NVP "Tomsk Electronic Company" 30
31 Registration sheet of changes Changes of changes Numbers of arches (sides) of replacements of new canceled Ushoy arches (sides) in the document. Input. supervising document. document. that date P_dp. Date TOV NVP "Tomsk Electronic Company" 31
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The material is devoted to an important aspect of metrological safety of ready-made automation systems - calibration of calibration channels (IC) of automated process control systems, and itself: the problem of increasing the efficiency of calibrating robots and reducing their labor This is more effective than the calibration method.
Modern automated process control systems (APCS) for large thermal power engineering facilities that are being created today are characterized by high complexity and a high level of reliability. Software and hardware systems (PTK), which form the basis of automated process control systems, are responsible for ensuring the implementation of all necessary functions for monitoring, adjusting and adjusting technological parameters, as well as manual and technological them in operation and maintenance. One of the important types of support for ready-made automated systems is metrological support.
It is no secret that metrological nutrition is “unhealthy” and “unloved” both for rich post-production systems and for operational services. Metrology power supply is often ignored, especially in connection with microprocessor control systems. However, this method will most likely require strong loyalty from the bodies of standardization and metrology. Otherwise, problems in high-level metrology departments can result in serious problems and significant financial and economic costs.
Based on the evidence of the advancement of automated process control systems and their sup- ports, the company has developed a comprehensive approach to the development of daily systems at generating energy facilities. Together with advanced design and technological organizations, the company carries out all the necessary research and engineering work. Particular respect is given to the metrological safety of the automated control systems that are supplied.
Necessary metrological robots correspond to the skin stage of the life cycle of automated process control systems. At the stage of technical design, the components of the system are formed until metrologically ensured, and at the stage of the technical project, the flows of the vibrating channels (IC) are disaggregated, the possibilities for calibration are determined to an accuracy, and the features are selected vimirvanie for molding of ІЧ, which ensures the necessary accuracy, and working standards are also selected , with the help of which you can confirm the specified accuracy of the vimir. At the stage of preparation of working documentation, the process of verification (calibration) of vibrating channels approved by the State Standard of the Russian Federation is finalized.
At the stage of introducing automated process control systems, a complex of metrological operations is developed in accordance with regulatory documents.
At the stage of commissioning of the juicing work, the installation and improvement of the vibrating channels of the system are carried out, at the advanced stage, the juicing organization is tested together with the personnel of the organization that operates it. The equipment must be put into final operation by checking its conformity and readiness before being put into operation. All visualization channels of the system are subject to initial revision or calibration.
At the stage of primary testing, testing may be carried out under the method of certification of type ICh, or testing under the method of type confirmation. And, it is agreed that in industrial operations it is necessary to periodically check and calibrate the monitoring channels of the automated process control system.
This is the basis for the creation of automated process control systems, which are subdivided according to the regulatory documents of the Russian Federation and are brought up to the levels of the State system of devices. PTK “Tornado” is listed in the State Register and a certificate is issued for confirming the type of performance characteristics.
The metrological service of the company has developed methods for verification (calibration) of calibration channels of automated process control systems and calibration modules, which are included in the warehouse of the software and technical complex, in accordance with the All-Russian Standards of Metrology and Standardization (VND IMZ).
In addition to the necessary documents and hardware security, the company provides the specialists with a specialized VO “Metrologist Workstation” (company’s internal development), which is a warehouse part of the software of the Tornado software and allows for calibration them channels of the automated process control system in automated mode.
Detailed methods for calibrating the vibrating channels of the automated process control system are supplied with a set of specialized software and hardware. In our opinion, this method is one of the most optimal for advanced metrological power supply during the implementation of automated process control systems. Today's faucet companies are working on the problem of reducing labor costs for calibrating ICs that are supplied to the automated process control system manager. According to this method, at least two people take part in the process of calibrating the channels of the automated process control system at the site. One of them is located at the stationary workplace of an automated process control system engineer or a metrologist and works with the “Metrologist’s Workstation” program. The other one is located at the corresponding boxes, so that behind the help of the reference signal generator, a reference signal is supplied at the place where the primary converter (sensor) is connected. Unfortunately, the calibrators wash themselves with radios in order to facilitate their operations. Once the output data about the channel has been entered, the number of crossovers in the dimming range has been set, in which there is a collection of dimming values, the program calculates the value of the reference signal and indicates when This signal can be applied to the IC input. This information is transmitted by the calibrator, which operates behind the computer, to the wheel located on the site (Fig. 1).
Small 1. One of the most common calibration methods for automated process control systems
Thus, the main method implements the traditional (using various methods of VT and specialized PZ) method of calibration (verification), which has a number of shortcomings:
A lot of hours are spent (it takes 10-15 hours to calibrate the skin channel without taking into account the hours that are spent on connecting the reference signal transmitter);
The need for two parts to be involved in the calibration process;
The Possibility of Milk Information;
Manual adjustment with a dial;
Information is transmitted via radio.
A shortcoming of the interface of a stationary workstation of a metrologist is the need for manual adjustment of the process when checking the skin channel (the accuracy class of the channel, crossing the vibrating range, vibrating units, etc.).
The main disadvantage of this method of calibration is that the calibrator, which operates on the object, is constantly engaged in the calibration process and cannot be brought to work from preparing the next channel in moment of calibration of the flow channel. So, according to the standard method, the calibrator works sequentially - preparing the channel for calibration (5-10 minutes), calibration (10-15 times), updating the channel (5-10 times). This process takes on average 30 minutes per channel. In this way, in one change it is possible to calibrate 10-15 channels. If you assume that all these operations are carried out by full-time personnel, and the ICs that support calibration on a 200 MW power unit are close to 2000, then the calibration of all ICs requires 6 to 9 months! It’s obvious that everything should be done honestly.
Because there are loopholes, and there is the possibility of not working, then, most importantly, no one is involved in metrology - neither the ICS manager, nor the operating service.
As stated, PTK “Tornado” has in its warehouse complex solutions to metrological tasks, but, unfortunately, the complexity of these jobs is not high. And the pharmaceutical companies have clearly realized that it is necessary to radically change the situation and reduce the labor intensity of calibrating robots.
To create a more efficient calibration method, which does not require shortcomings in the front-end system, it is important to increase the efficiency of the calibrator’s work through greater automation of the collection process. In order to obtain valuable information and process the results, the company’s managers had to carry out low theoretical and pre-study work:
Development of a new calibration method;
Analysis of required hardware and selection of equipment;
Development of the optimal architecture of the new calibration system;
Prorakhunok and creation of a test model of a mobile workstation of a metrologist;
Development of operator interface for mobile and stationary workstations;
Development of new communication protocols.
After carrying out the work, the company's fencing companies came up with the idea of using dartless technologies to organize the implementation of calibration robots.
Development of a new calibration method
The unbundled method transfers the successive steps of offensive operations:
Connection of the sensor and connection of the reference signal generator to the input of the visual channel;
Select the channel for your code or hire a metrologist on your mobile workstation. In this case, from the mobile workstation, power is transferred to the stationary workstation, on which, from the data base or from the transfer of the IC, all the necessary information about this channel is selected: the range of vibration, the accuracy class of the channel, information about the sensor , the video module and other information necessary for organizing the process calibration for inclusion before the certificate;
Launching an automatic procedure for collecting data and statistical sampling;
Monitoring the calibration process, reviewing the results.
During the automatic calibration process at the calibrator, it is possible to follow the exact measured values on the mobile workstation, change the value from the standard value, and change the value that is generated. It is also possible to review the calibration protocol and certificate for the channel.
Vibir obladnannya
The company's representatives have identified the specific features of the IC calibration process at large industrial facilities and formulated the main criteria for selecting the technical features of the new system:
Communication range and excellent characteristics. When choosing the characteristics of a dartless link, an important criterion is the range of the link and speed characteristics. This criterion is directly related to the design features of the industrial facility, itself: the geometry of the location, the presence of metal structures, the likelihood of overload.
Full-scale testing of the new system was carried out by Novosibirsk TPP-5;
The complexity of physical interfaces. Please note that all devices are related to one another on the level of physical interfaces, and also support on the level of operating systems (OS);
Vaga and dimensions of vicoristic components. All devices that are included before a mobile workstation must provide the benefits of mobility and ease of use. This is the minimum weight and size for the smooth movement of the calibrator around the site simultaneously from a mobile workstation;
Optimal power supply. Low energy consumption, mobility; Mozhlivost vikoristannya zagalnogo autonomous dzherela zhizlivenya;
Economics of stagnation. It is possible to expect a pleasant outcome and complete completion of the work on site, if all the above-described criteria are met.
System architecture overview
Small 2. The original structure of the calibration system ІЧ automated process control system
The structure of the divided system for calibration of vibrating channels was determined based on the specifics of calibration of vibrating channels at large industrial facilities. The system is based on the idea of using drone-free technologies, a mobile computer and a hard-wired reference signal generator. A radio modem is connected to the computer of the stationary workstation (Fig. 2), the necessary changes are made to the program of the stationary workstation to operate in the mode of remote control of the mobile workstation.
The warehouse of the metrologist's mobile workstation includes:
1_kishenkovy personal computer (PDA), which has two functions:
Extended interface to the stationary workstation of the metrologist;
Transfer of orders received from the stationary workstation of the metrologist to the master, which is being programmed.
2_Programming master, which is used to generate a calibration signal at the channel input.
3_Dartless security unit linking the PDA with a stationary workstation.
4_Koshti, which will ensure the life of the radio modem and analog signal generator.
Creation of a test model of a mobile workstation by a metrologist
After testing and analysis of the equal characteristics of a number of industrial laptops and consumer personal computers, such as the computer of the test model, the workstation was determined to be vikoristic of the PDA.
As a unit for ensuring a drone-free connection between a PDA and a stationary workstation, the test model of a mobile metrologist workstation uses a radio modem with a live modem and a 12 Art.
In addition to WI-FI devices that operate at frequencies of 2400 – 2483.5 MHz, the radio modem operates at a frequency of 433.92 MHz and is optimally suited for industrial facilities, such as thermal power plants.
Small Connecting the transmitter to the PDA
Radio frequencies of 433 MHz are more easily able to bypass metal structures of standard (industrial) sizes. In every workshop, metal structures are often damaged by radio-frequencies, and the fenders are often damaged when they are crossed with the help of breakers.
There is less space for radio broadcasting at low frequencies. The new radio modem is specially designed for working with pulsed codes, since it uses cascade coding with interleaving, which effectively corrects data transfer errors.
As a programming device, which generates a standard signal at the input channel, the calibrator-vimiruvach unified signals IKSU 2000 is selected. The advantage of this device is its high accuracy class, which allows It is used not only for calibrating ICs, but also for vibrating modules, class the accuracy of which is significant.
The controller is small in size and size. The ability to program the calibrator via RS232 has been transferred. The calibrator can operate using a 12V battery, which requires the use of one power supply for the calibrator and a radio modem.
The IKSU 2000 calibrator is connected to the PDA via a cable.
The use of an IC-RS232 device (infrared port - RS232), as one of the warehouse mobile workstations, was determined based on the need for two devices with a PDA. This made it possible to use the IC-RS232 link and live in a device that is connected via the RS232 interface.
The radio modem connects to the PDA via IR-RS232.
Thus, all components of a mobile workstation can be easily accommodated in a volume of 350×250×100 mm and weigh no more than 2.5 kg.
The results of the work
As a result of the work, a test model of the operating system was created (which includes a mobile workstation and a program for a stationary workstation) for calibrating vibrating channels of various types. At the stationary workstation, all necessary changes have been made to operate in the remote control mode.
A number of tests carried out at TPP-5 VAT "Novosibirskenergo" showed that:
The calibration process under the hour of installation of a new distributed system for calibration of vibrating channels will require more than one person equipped with a mobile workstation of a metrologist. All control of the master depends entirely on the program of the stationary workstation, which makes it impossible to interfere with the installation of the device. Instructions can be found via a direct link to the program installed on the mobile workstation that operates the calibrator. The entire process is controlled from a mobile workstation via a drone-free connection;
The functions of the calibrator - coordinator of a mobile workstation include: starting the process and selecting a code for a channel (initialization must be carried out on a stationary workstation); visually monitor the progress of the process behind the additional PZ interface of the mobile workstation, which displays the current stage of calibration, the values of the current calibration errors, the values that are set on the master. The calibrator has the ability to skip the calibration process at any time or start the procedure from scratch;
How to correctly check and calibrate the control channels of the process control system? What is the need for a verification technique? Maybe I'd like to eat such food.
The situation on the right, in my opinion, is like this.
1. It is only possible to verify the vimirival channels of the automated process control system (ICH ASUTP), since the ICH ASUTP or the vimirival system of the automated process control system (IV ASUTP) have been tested with the method of confirming the type and entering the state registration It is important to follow the verification method specified in the description of the type on ІЧ automated process control system and Ів automated process control system in the first place, and as otherwise.
Tobto. The verification technique may appear, at a minimum, in the course of testing with a type confirmation method. (The verification method contained in MI 2539 is only suitable for checking one of the vibrating components of the ICH (IV) - the ICH (IV) controller, and not the ICH or IV as a whole. For the ICH (IV) process control system in general there are no the verification method has been developed, As an option, you can take as a basis MI 3000 “Automated Information Systems” - Worldwide Commercial Electricity. Typical verification method.”
2. Calibration of ІК APCS or ІС APCS can be carried out using a calibration method developed independently. The advantage is to perform calibration in a complete way - from the sensor to the special display of information.
Since it is not possible (in most cases) to calibrate the IC APCS using a complete method, calibration of the IC APCS is carried out element by element (in parts). As a rule, the IC is divided into the primary part of the IC - sensors and the secondary (electrical path). In this case, the method of calibration of the ICH automated process control system can transfer the structure of the metrological characteristics (MC) of the ICH according to effective values MX, the visible parts of the IC (sensor and electrical path), we will remove these parts during calibration. Calibration of the visible parts of the IC (sensor and electrical path), in which case, apparently strictly, is carried out according to the calibration methods - according to their meanings action MX(Due to the insignificance of the results, the results should be calibrated during calibration). Tobto. Methods for verifying sensors, such as MI2539 for calibrating vibrating components of IC, cannot be established, strictly speaking. They have not transferred the appointment action MX vimiruvalnyh components - it is now necessary to develop calibration techniques for all sensors that enter up to IV (there are simply no fragments of them) and electrical paths of ICH.