ManualsPro APLISENS APLISENS APR-2000ALW Pressure Differential Pressure Transmitter User Manual

APLISENS APR-2000ALW Pressure Differential Pressure Transmitter User Manual

June 15, 2024
APLISENS

APLISENS APR-2000ALW Pressure Differential Pressure Transmitter

Product Information

  • Specifications:
    • Product Name: Pressure and Differential Pressure Transmitter
    • Model: APC-2000ALW Safety
    • Revision: 01.B.001
    • Manufacturer: APLISENS S.A.
    • Address: 03-192 Warsaw, Morelowa 7 St.
    • Contact: tel. +48 22 814 07 77; fax +48 22 814 07 78
    • Website: www.aplisens.com.
    • Email: export@aplisens.com.

Product Usage Instructions

  • Installation
    • Installation should be carried out by qualified staff having the required authorizations to install electrical and I&C equipment.
    • The installer is responsible for installing by the manual, electromagnetic compatibility, and safety regulations and standards applicable to the type of installation.
  • Safety Precautions
    • It is important to proceed strictly with the information contained in the documentation to ensure the safety and full functionality of the device.
    • The manufacturer will not be liable for damage resulting from incorrect installation, failure to maintain the suitable technical condition of the device or use of the device other than for its intended purpose.
  • Maintenance
    • Regular maintenance is necessary to ensure the proper functioning of the pressure and differential pressure transmitter. Refer to the user manual for detailed maintenance instructions.
  • Troubleshooting
    • If you encounter any issues with the device, refer to the troubleshooting section in the user manual. If the problem persists, contact the manufacturer for further assistance.
  • Safety Symbols
    • The following symbols are used in the documentation:
    • Symbol: Warning
    • Description: Proceed strictly with the information contained in the documentation to ensure the safety and full functionality of the device.
  • FAQ (Frequently Asked Questions)
    • Q: Where can I find the user manual?
    • A: The user manual can be found on the manufacturer’s website. Visit www.aplisens.com and navigate to the documentation section.
    • Q: Who should perform the installation?
    • A: The installation should be carried out by qualified staff with the required authorizations to install electrical and I&C equipment.
    • Q: What should I do if I encounter issues with the device?
    • A: Refer to the troubleshooting section in the user manual for initial guidance. If the problem persists, contact the manufacturer for further assistance.

MODELS

PRODUCT CODE – see: section 5.2. of the User’s Manual.
The QR code or ID number identifies the transmitter and provides quick access to the following documentation on the manufacturer’s website: user’s manual, SIL safety manual, explosion-proof device user manual, technical information, declarations of conformity and copies of certificates.

Symbols used

Symbol Description
**** Warning to proceed strictly by the information contained in the

documentation to ensure the safety and full functionality of the device.

BASIC FUNCTIONAL SAFETY REQUIREMENTS

The manufacturer will not be liable for damage resulting from incorrect installation, failure to maintain suitable technical condition of the device or use of the device other than for its intended purpose.

Installation should be carried out by qualified staff having the required authorizations to install electrical and I&C equipment. The installer is responsible for installing by the manual as well as with the electromagnetic compatibility and safety regulations and standards applicable to the type of installation.

The E/E/PE safety-related system should be configured by the application. Improper configuration may cause malfunction leading to an E/E/PE safety- related system failure or accident.

In systems with I&C equipment, in case of leakage, there is a danger to staff due to the medium under pressure. All safety and protection requirements must be observed during the installation, operation, and inspections of the E/E/PE safety-related system.

If the E/E/PE safety-related system is found to malfunction, disconnect it from the system and hand it over to the manufacturer for repair.

To minimize the risk of malfunction and associated risks to staff, the E/E/PE safety-related system is not to be installed or used in particularly unfavorable conditions, where the following hazards occur:

–        possible mechanical impacts, excessive shocks, and vibration;

–        excessive temperature fluctuation;

–        water vapor condensation, dusting, icing.

For operation in a functional safety loop APC(R)-2000ALW Safety transmitters shall be configured for the output signal of 4…20 mA. HART protocol or local buttons for changing the device settings can be used for diagnostics and transmitter configuration at a workstation. After configuring and commissioning the functional safety system, use only the analog current output signal.

For safety reasons, access to the transmitter enabling modification of the settings by unauthorized access must be prevented. The transmitters have the option of blocking local change of settings by software features and by sealing the housing cover.

Changes made to the manufacturing of products may be introduced before the paper version of the manual is updated. The up-to-date manuals are available on the manufacturer’s website: www.aplisens.com.

DECLARATION OF CONFORMITY

SIL DECLARATION OF CONFORMITY

Document number DZ.APC.APR.ALW.SIL. ID. REV4

APLISENS-APR-2000ALW-Pressure-Differential-Pressure-Transmitter-fig-1 \(17\)

CERTIFICATE

APLISENS-APR-2000ALW-Pressure-Differential-Pressure-Transmitter-fig-1 \(18\)

DEFINITIONS AND ACRONYMS

  • SIL – safety integrity level. It is a discreet level of 1 out of 4 possible levels, corresponding to a range of safety integrity values, where safety integrity level 4 is the highest safety integrity level and safety integrity level 1 is the lowest
  • safety integrity level.
  • SFF – safe failure fraction. Percentage of safe failures/defects which cannot cause a system failure. The higher the value, the lower the probability of a dangerous system failure.
  • DC – diagnostic coverage. Measure of system capability to detect failures. The ratio between detected dangerous failure rates and all dangerous failures in the system.
  • PFH – the probability of dangerous failure per hour.
  • PFDavg – the average probability of failure on demand. The average probability of a dangerous failure of a safety function in the operation mode on demand.
  • MTBF – mean time between failures. Describes the operation time between two consecutive component failures. MTBF refers to equipment reliability.
  • HFT – hardware failure tolerance. Equipment capability to continue to perform the required safety function despite occurring failures.
  • MTTR – mean time to repair. The average time between a failure occurrence and repair completion. MTTR includes the time necessary to detect a failure and begin and complete a repair.
  • MRT – expected total repair time (does not include time for fault detection).
  • FMEDA – failure modes effects and diagnostics analysis. Detailed analysis of different emergency modes and equipment diagnostic capabilities.
  • ALARM_L – diagnostic alarm state in which I_ALARM_L current is lower than 3,600 mA.
  • FIT – failure in time. The value is defined as the failure rate (λ) per billion hours.
  • λ – failure rate. Defines the failure rate, i.e. the number of system failures per time unit.
  • λSD – a failure rate of safe detectable failures.
  • λSU – failure rate of safe non-detectable failures.
  • λDD – a failure rate of dangerous detectable failures.
  • λDU – failure rate of dangerous non-detectable failures.
  • λNE – a failure rate of failures with no effect.
  • λtotal – a failure rate of failures (total of all component failure rates).

GENERAL INFORMATION

  • The safety function of the APC-2000ALW Safety and APR-2000ALW Safety transmitters is the measurement of pressure and differential pressure of gases, vapors, and liquids with the assumed precision and accuracy.
  • This measurement controls the current proportionally in a 2-wire current loop 4…20 mA and is additionally displayed in standardized units on the local LCD indicating instrument.
  • The standard, intrinsically safe Exi (IS), flameproof Exd (XP) versions of APC(R)-2000ALW Safety series transmitters are used for measurement in systems ensuring the SIL2 safety integrity level per PN-EN 61508:2010.

Technical parameters

Power supply Ambient temperature Alarms
Exi (IS) version 11,5 ÷ 30 V DC -40 ÷ 85°C*

(min; max)

| internal diagnostic| low (LO) < 3,6 mA
Standard, Exd (XP) version| 11,5 ÷ 36 V DC| critical| low (LO) << 3,6 mA

  • For intrinsically safe versions, due to possible limitations of ATEX standard, the maximum operating temperature for classes T4, T5, T6 may differ from the assumed +85°C.
  • The other technical parameters are included in the User’s Manual.

Description of safety

Description of safety requirements and restrictions

Under the following operating conditions, the safety function is not guaranteed:

  • during configuration;
  • when HART® multidrop is active;
  • during transmission of measured values through the HART protocol;
  • during simulation;
  • during immunity tests;
  • when the write protection is disabled.

The transmitter configured to operate in a functional safety loop after the necessary settings related to its identification, metrology and alarm modes must be set to locked data saving to the transmitter by means of the HART protocol, made via a communicator unit or Report 2. HART® is a registered trademark of FieldComm Group. The acceptable FMEDA safe measurement error margin is: 1%. Duration of a full diagnostics cycle: 1 minute.
Lifetime: 50 years, determined based on component wear. The lifetime does not apply to process connections (wetted elements).

Alarms
The APC(R)-2000ALW Safety series transmitters are fitted with an alarm system activated when hazardous conditions are detected by internal diagnostics.
The transmitter diagnostics detect the following hazardous conditions:

  • too low transmitter power supply voltage;
  • pressure measurement bridge failure consisting of a short circuit, open-circuit, or a change in the value of one of the bridge piezoresistive sensors;
  • failure of a pressure measurement bridge consisting of the short-circuit or separation of bridge bonds;
  • failure consisting of a short-circuit or an open circuit of any of the connections of the pressure measuring bridge with an ADC transducer;
  • failure of the ratiometric references or their excessive drift;
  • failure of components or connections between them in ADC measuring circuit, coefficients memory related to linearization / head compensation, power supply in the measuring area of a pressure sensor;
  • failure of components or connections between them in D/A and U/I processing path;
  • pressure overload states of the measuring structure;
  • failure of the digital signal transmission path through a galvanic barrier;
  • failure of individual functional parts of CPU such as RAM, FLASH, registers, hardware support unit for floating-point calculations, I/O peripherals;
  • failure of the integrity of the CPU programme execution;
  • exceeding the permissible difference between the set-point (process) current and measured current in the 4…20 mA loop;
  • exceeding threshold temperatures: pressure measurement bridge, ADC transmitter, CPU;
  • exceeding the minimum or maximum operating temperature (ambient temperature);
  • exceeding the threshold values of the power supply in the transmitter circuits.

If, as a result of cyber-attack, the threshold number of unauthorized access attempts to change the password or write protection is exceeded, an alarm will be triggered in the transmitter. Access to the lockout disable function is protected by the 32-bit password (4,3 billion combinations). After 20 unauthorized access attempts, an alarm is triggered until the transmitter software or hardware reset. Some diagnostics have trigger thresholds that eliminate stochastic events in favour of correlated events. This applies in particular to possible effects of EM noise on digital transmission in the areas of the SPI bus and in the area of galvanic isolation signal amplifiers.
The transmitter diagnostics shall not detect the following:

  • loss of tightness of the pressure system of a process connection;
  • oil leakage from a pressure / differential pressure sensors or separators caused by perforation of a sensor diaphragm;
  • effect of hydrogen particle penetration into sensor or separator space and a resulting measurement error;
  • excessive vibrations or impacts, unless resulting in destructions of internal components or electrical connections.

Due to the nature of the power supply and the electrical interface of the transmitter, an alarm current level is used for signalling alarm states.
In the diagnostic alarm mode, the transmitter shall issue the nominal current with values:

  • I_ALARM_L = 3,600 mA – E, where E is assumed in FMEDA, an acceptable 1% safe fault, equivalent to ±160 μA DC in current of current loop. Finally, the rated current set point in the ALARM_L mode should be 3,440 mA.
  • Transmitter diagnostics does not apply current alarm mode above the range of 20,500 mA. From the point of view of PLC, current above 20,660 mA shall be considered FAIL_SAFE and a safe diagnosable failure.

Diagnostic alarms are permanently attached and are not configurable.

In case of critical alarms, the control is immediately transferred to an infinite loop triggering an independent WDT_SIL watchdog with a time discriminator. Within max. 2 seconds WDT_SIL will disconnect the transmitter’s main electronics from the power supply causing a drop of current below 0,3 mA. This condition will continue until the transmitter is fully disconnected from the power and it is reconnected.
The causes of critical alarms are:

  • error of floating-point mathematical calculations;
  • RAM memory failure detection;
  • FLASH memory failure detection;
  • CPU registry error detection;
  • 8 successive measurements of the current loop value nonconforming with the set value;
  • disturbance of the program automaton resulting in exceeding the WDT_SIL refresh time window.

Diagnostic alarm states (except critical) can be read via HART communication. The HART CMD_48 (Read Additional Transmitter Status) command allows for more accurate identification of the alarm  cause.In addition to diagnostics read via HART, diagnostic states are signaled on the local LCD display. Diagnostic alarms in individual functional blocks are logically aggregated in cumulated failure status, which can be displayed in numerical form on the local LCD display.

Restrictions
The restrictions on the use of the APC(R)-2000ALW Safety series transmitters in functional safety systems include the following:

  • the measuring transmitter must be adapted to the application taking into account the characteristics of the process medium and the operating ambient conditions;
  • the permissible operating ranges specified in the transmitter Technical Information must not be exceeded;
  • a faulty transmitter must be replaced immediately after a failure is found.

Notes on cybernetic security
Industrial control systems that have already worked as isolated systems are now based on open platforms, have contact points with an enterprise data communication system and use communications, via public Internet or most often poorly protected networks. Taking into account cyber security after making the necessary transmitter settings related to its identification, metrology and alarm modes, the following transmitter interlocks must be enabled:

  • remote (by HART) write protection against parameter changes;
  • local parameter changes using local MENU buttons.

After configuring and commissioning the functional safety system, use only the analog current output signal. The responsibility for cybersecurity rests with the system operator who must provide a safe connection between the E/E/PE safety-related system and the plant network. The operator shall establish and maintain any appropriate means of authentication, encryption and installation of any appropriate software to protect the automation system against any securitybreach, unauthorized access, tampering, intrusion, corruption or data theft. Aplisens S.A. and its subsidiaries shall not be liable for any damages and/or loss related to such safety breaches, such as unauthorized access, tampering, intrusion, break-in, data or information leak and/or theft.

Safety function tests

Proof Test
It is recommended to carry out safety function tests (Proof Tests) to detect 100% of possible nondiagnosable dangerous transmitter failures. The manufacturer recommends the interval of periodic tests T[Proof] = 1 year. The safety function test is performed using the RAPORT 2 software with the SIL PROOF TEST plugin, developed by APLISENS S.A.
List of Proof Test steps:

  1. Configure the PLC operating in the safety loop in a mode enabling to skip of measurements and alarms from the transmitter used in the test.
  2. Check the condition of the transmitter mechanical covers (no loosening, or leaks) and replace any hardened or damaged gaskets and glands determining casing tightness.
  3. Check the condition of electrical connections (reliability of wire connections to switching terminals).
  4. Check the condition of the connection line (replace the cable if the insulation is worn). Check visually the condition of the measuring head; remove any deposit on the measuring head diaphragm by dissolving it using chemicals that will not cause diaphragm deterioration. Do not clean the measuring diaphragm mechanically. If there are traces of corrosion on the head stub pipe or the diaphragm, contact the manufacturer to replace the head or use other, more resistant materials for the head for this application.
  5. Run Raport 2 software developed by APLISENS S.A. on a WINDOWS® PC. Connect a HART/USB modem manufactured by APLISENS S.A. to the computer or another BELL 202 modem. Connect the power supply, the modem and the ammeter to the power loop of the tested transmitter per the diagram in Fig. 1. Make sure to remove the jumper for testing and re-install the jumper after test completion. The transmitter shall be supplied with a voltage of 16,50 V DC measured at the power supply unit terminals. Identify the transmitter and open the “SIL Proof Test” tab. Remove software write protection to the transmitter using a HART command. For this purpose, select the “Write lock” in the “SIL Proof Test” tab. The operation wizard is running. Follow the instructions of the wizard who in the next steps will ask about the operator’s intentions and perform the necessary actions. WINDOWS ® is a trademark of Microsoft Corporation.APLISENS-APR-2000ALW-Pressure-Differential-Pressure-Transmitter-fig-1 \(19\)
    • Fig. 1. Transmitter connection to the current loop for verification testing
  6. Perform the tests of the current loop analogue output. For this purpose, select the “Analog Output Test” option on the “SIL Proof Test” tab. The test wizard is running. Follow the wizard’s instructions which in next steps will perform tests of the digital-analogue transducer, U/I transducer tests and tests of the current loop current control circuit. The wizard will recommend as follows:
  7. Supply the transmitter with 16,50 V DC measured at the power supply unit terminals. Using a HART command, the transmitter current output is set to 20,660 mA corresponding to the maximum safe transmitter current. Using a direct current reference milliammeter of class ≤ 0,025 and with internal resistance of ≤ 10 Ω connected to the current loop read the current flowing in the line. This test, in addition to checking the alarm current value, detects any problems related to the minimum supply voltage of the transmitter’s power supply, which may be caused by voltage drops on the power line resistance or the power source resistance.
  8. When the current output is set to 20,660 mA, the test wizard reads the PVIret parameter. The permissible deviation of the PVIret parameter is ±0,032 mA.
  9. Using a HART command, the transmitter current output is set to 3,280 mA corresponding to the LO alarm current (minus the permissible error of 1%, i.e. 0,16 mA). Using a direct current reference milliammeter of class ≤ 0,025 connected to the current loop read the current flowing in the line. This test detects any problems related to excessive idle current drawn by the transmitter (e.g. due to a component failure). If the current measured in test 6.1, 6.2 or
  10. deviates respectively from the expected values (taking into account the permissible deviation stated in the user’s manual), the analogue output should be calibrated – current for 4 mA and 20 mA. The calibration procedure shall be performed using a direct current reference milliammeter of class ≤ 0,025 and with internal resistance of ≤ 10 Ω. After calibration, retest performing the steps of section 6. If, despite the calibration performed, the measured current value in points 6.1, 6.2 or 6.3 deviates from the expected value (taking into account the permissible deviation as stated in the user’s manual), the test is not completed successfully, and the transmitter must be returned to the manufacturer for repair.
  11. Check the pressure / differential pressure measurement function. For this purpose, on the “SIL Proof Test” tab select the “Pressure / differential pressure measurement test” option. The test wizard is running. Wizard will carry out the pressure tests in the next steps, follow its instructions:
  12. Supply the transmitter with 16,50 V DC measured at the power supply unit terminals. Using a pressure calibrator of class ≤ 0,03, supply a reference pressure of 4 mA (0% of the set pressure) to the pressure transmitter and, using a milliammeter of class ≤ 0,025 and an internal resistance of ≤ 10 Ω, measure the current flowing in the current loop.
  13. Using a pressure calibrator of class ≤ 0,03, supply a reference pressure of 12 mA (50% of the set pressure) to the pressure transmitter and, using a milliammeter of class ≤ 0,025 and an internal resistance of ≤ 10 Ω, measure the current flowing in the current loop.
  14. Using a pressure calibrator of class ≤ 0,03, supply a reference pressure of 20 mA (100% of the set pressure) to the pressure transmitter and, using a milliammeter of class ≤ 0,025 and an internal resistance of ≤ 10 Ω, measure the current flowing in the current loop. If the measured values of the current deviate from the expected value, which should be within the range of ±0,012 mA (taking into account the permissible deviation as stated in the user’s manual), the pressure calibration procedure of the transmitter should be carried out for the set reference pressure values corresponding to the beginning and end of the set (or basic) range. In this case, after calibration, repeat the test starting from section 7. If, when the calibration procedure has been performed correctly, the transmitter measurement continues to show a current value deviating from the expected value (taking into account the permissible deviation as stated in the user’s manual), the transmitter must be returned immediately to the manufacturer for repair.
  15. Supply the transmitter with 16,50 V DC measured at the power supply unit terminals. Check the temperature measurement of the pressure sensor structure, the ADC and the main microcontroller. For this purpose, after stabilizing thermal conditions at a temperature of 15 – 25°C, measure the temperature of the transmitter body with a reference electronic thermometer of at least “B” class. “Stable thermal conditions” shall be understood as ensuring the uniform temperature of the transmitter body and the integrated pressure sensor, as far as possible. On the “SIL Proof Test” tab select the “Temperature tests” option. The test wizard is running. Follow the instructions of the wizard, which will carry out the temperature tests in the next steps. The software will read 2nd, 3rd, and 4th process variables (SV, TV, FV). They correspond to the temperatures of the pressure sensor (SV), the main microcontroller (TV), and the ADC (FV) transducer.If the SV, TV, and FV temperature values deviate by more than 5°C from the temperature measured with the reference electronic thermometer during the correct test procedure, the transmitter must be sent back to the manufacturer for repair immediately.
  16. Supply the transmitter with 16,50 V DC measured at the power supply unit terminals. Check the alarm modules for function. On the “SIL Proof Test” tab select the “Alarm modules test” option. The test wizard is running. Follow the instructions of the wizard, which will carry out the primary and backup alarm module tests in the next steps. If the transmitter fails to behave as described in the test wizard during the correct test procedure, it must be immediately returned to the manufacturer for repair.
  17. Set the software write protection to the transmitter using a HART command (Report 2 software developed by APLISENS S.A.). For this purpose, select the “Write lock” in the “SIL Proof Test” tab. The operation wizard is running. Follow the instructions of the wizard who in the next steps will ask about the operator’s intentions and perform the necessary actions. After successful test completion, the test wizard will generate a test report and set the transmitter to the standby mode for connection to the functional safety loop.
  18. Configure the PLC operating in the safety loop in a mode enabling to read measurements and alarms from the transmitter used in the test. Record and archive the test results. See Appendix 1 to the safety manual for the Verification Test (Proof Test) checklist.

Block diagram of the Verification Test (Proof Test)

APLISENS-APR-2000ALW-Pressure-Differential-Pressure-Transmitter-fig-1 \(20\)APLISENS-APR- 2000ALW-Pressure-Differential-Pressure-Transmitter-fig-1 \(21\)

Repair

  • No repairs or alterations to the transmitter electronic system are permitted.
  • Failure assessment and repair may only be performed by the APLISENS S.A. service center.
  • The safety functions cannot be guaranteed in the event of any unauthorized repair.

Reliability data

Products| λtotal FIT| λNE FIT| λSD FIT| λSU FIT| λDD FIT| λDU FIT| SFF %| DC %| MTBF
---|---|---|---|---|---|---|---|---|---
APC-2000ALW Safety| 905,321| 265,723| 0| 138,208| 451,857| 49,533| 92,256| 90,121| 1,105 x 106 h

126,094 Yrs

APR-2000ALW Safety| 919,621| 265,723| 0| 138,208| 453,387| 62,303| 90,472| 87,919| 1,087 x 106 h

124,133 Yrs

Products| T[Proof] = 1 year| T[Proof] = 2 years| T[Proof] = 5 years| T[Proof] = 10 years
---|---|---|---|---
APC-2000ALW Safety| PFDavg = 2,17×10-4| PFDavg = 4,34×10-4| PFDavg = 1,08×10-3| PFDavg = 2,17×10-3
APR-2000ALW Safety| PFDavg = 2,73×10-4| PFDavg = 5,46×10-4| PFDavg = 1,36×10-3| PFDavg = 2,73×10-3
Systematic Capability| SC 3 (SIL 3 Capable)
---|---
Random Capability| Type B Element SIL2@HFT=0; SIL3@HFT=1; Route 1H

  • PFH = λDU
  • MTTR = MRT = 8h

For the above products, the manufacturer recommends the following interval of periodic tests:

  • T[Proof] = 1 year.

History of revisions

Revision No. Document revision Date Description of changes
– 014.004.001 12-03-2019 First issue, developed by KBF.
1 01.A.001

014.004.002

| 19-03-2019| Cybersecurity information added, developed by KBF.
2| 01.A.002

014.004.003

| 01-04-2019| Information on cyber-attacks was added in the checklist, developed by KBF.
3| 01.A.003

014.004.004

| 15-04-2019| QR codes added, developed by KBF.
4| 01.A.004

014.004.005

| 15-05-2019| QR codes changed, developed by KBF.
5| 01.A.005

014.004.006

| 28-05-2019| Changed the declaration of conformity, developed by KBF.
6| 01.A.006| 06-06-2019| Addition of the SIL certificate, change the declaration of conform- ity per the certificate, developed by KBF.
7| 01.A.007| 29-08-2019| SIL Declaration of Conformity changed, developed by KBF.
8| 01.A.008| 01-07-2020| Editorial changes. Developed by DBFD.
9| 01.B.001| 27-04-2023| Editorial changes, change of QR codes and ID numbers due to the update of explosion-proof certificates. Developed by DBFD.

Appendix 1. Checklist for Verification Test (Proof Test)

  • Test start date: ____
  • The person conducting the test: ___
  1. Configure the PLC operating in the safety loop in a mode enabling to skip measurements and alarms from the transmitter used in the test completed? Y/N [ ]
  2. Check the condition of the transmitter mechanical covers (no loosening, or leaks) and replace any hardened or damaged gaskets and glands determining casing tightness. completed? Y/N [ ]
  3. Check the condition of electrical connections (reliability of wire connections to switching terminals). completed? Y/N [ ]
  4. Check the condition of the connection line (replace the cable if the insulation is worn). completed? Y/N [ ] Check the visual condition of the measuring head. Remove any deposit on the measuring head diaphragm by dissolving it using chemicals that will not cause diaphragm deterioration. completed? Y/N [ ]
  5. Remove software write protection to the transmitter using a HART command. completed? Y/N [ ] COMMENTS:
  6. Perform the tests of the current loop analog output.
    • Test analog current output of current loop for 20,660 mA current. completed? Y/N [ ]
    • Read PVIret for 20,660 mA current. completed? Y/N [ ]
    • Test analog current output of current loop for 3,280 mA current. completed? Y/N [ ] Are test results correct? Y/N [ ] Calibration completed? Y/N [ ] COMMENTS:
  7. Perform pressure / differential pressure measurement tests.
    • Perform the test for 0% of the set pressure range. completed? Y/N [ ]
    • Perform the test for 50% of the set pressure range. completed? Y/N [ ]
    • Perform the test for 100% of the set pressure range. completed? Y/N [ ]
    • Are the test results correct? Y/N [ ]
    • Calibration completed? Y/N [ ] COMMENTS:
  8. Perform temperature tests by reading SV, TV, and FV and comparing them with an indication of the reference thermometer.
    • Are the test results correct? Y/N [ ] COMMENTS:
  9. Perform alarm module tests (tests also include alarms caused by cyber-attacks). Are the test results correct? Y/N [ ] COMMENTS:
  10. Check the correct setpoint of the pressure unit. completed? Y/N [ ]
    • Check the setting of the type of processing characteristic for correctness. completed? Y/N [ ]
    • Check that the setting of the start and end of the set pressure range is correct. completed? Y/N [ ]
    • Check that the time constant setting is correct. completed? Y/N [ ]
    • Check the pool address of the instrument (should be equal to zero – analog operation). completed? Y/N [ ]
    • Check the configuration of the analog output – operation mode and type of alarm current “L”. completed? Y/N [ ]
    • Set the software write protection in the transmitter. completed? Y/N [ ] COMMENTS:
  11. Configure the PLC to measure and transmit the alarm reading by connecting it to the functional safety loop. completed? Y/N [ ] COMMENTS:

Date of test completion and tester’s signature:

  • Date
  • Signature
  • Revision 01.B.001/2023.04

SIL SAFETY MANUAL
PRESSURE AND DIFFERENTIAL PRESSURE TRANSMITTER

  • APC-2000ALW Safety
  • APR-2000ALW Safety

CONTACT

  • APLISENS S.A., 03
  • 192 Warsaw, Morelowa 7 St.
  • tel. +48 22 814 07 77;
  • fax + 48 22 814 07 78
  • www.aplisens.com.
  • e-mail: export@aplisens.com.
  • EN.IB.APC.APR.ALW.SFT APRIL 2023
  • Revision 01.B.001

References

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