Sens SG-A1 User Manual
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Sens SG-A1 User Manual

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OKP 42 1514
FEACN CU 9027 10 100 0
USER MANUAL, CONFIGURATION DATA SHEET
Gas Detector
SENS SG-A1
USER MANUAL
SENS.413347.015RE
Research and production
SENSOR
enterprise

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Summary of Contents for Sens SG-A1

  • Page 1 OKP 42 1514 FEACN CU 9027 10 100 0 Research and production SENSOR enterprise Gas Detector SENS SG-A1 USER MANUAL SENS.413347.015RE USER MANUAL, CONFIGURATION DATA SHEET...
  • Page 2 SENS.413347.015RE...

  • Page 3: Table Of Contents

    Annex F. Drawing of explosion protection means…..…………………………..…….. 72 Annex G. Checking diagram……………………………………………………………… 75 Annex H. Status byte of gas detector…………………………………………………… 76 Annex I. Byte of relay configuration………………..…………………………………. Annex J. List of equipment required for maintenance……………………………….. Annex K. Commands of HART protocol, list of gas detector parameters……..SENS.413347.015RE...

  • Page 4: Purpose

    This user manual (UM) is designed for studying of device, technical specifications and operation principle of gas detector SENS SG-A1 (hereinafter referred as gas detector). UM contains technical data, information on maintenance, methodology for verification and calibration, as well as other information necessary for correct operation, storage, transportation and keeping constant operational capability of gas detector.
  • Page 5 3.8.3 Concentration of mechanical and corrosive admixtures in a controlled medium should not exceed TLV level in accordance with GOST 12.1.1005. 3.9 Class of human protection against electric shock - 0I as per GOST 12.2.007.0. 3.10 Technical parameters of gas detector are given in table 3.2. SENS.413347.015RE...
  • Page 6 2,5 W (5±0,4) V Power supply voltage at which failure alarm is activated Number of configurable alarm signaling thresholds Output signals SENS Line: -protocol SENS 2,5 mm² -maximal cross-section of conductors connectable to terminals RS-485 (only for gas detector models with RS-485 interface):...
  • Page 7 - circuits "A(D+)", "B(D-)" of RS-485 interface and other circuits of gas detector; circuits "lout", "lin" of analogue current output and other circuits of gas detector; circuits "R1", "R2" of each signal relay and other circuits of gas detector. SENS.413347.015RE...

  • Page 8: Marking

    Service life of primary transducer until replacement, in accordance with primary small- sized transducer Manufacturer documentation. 3.14 Firmware Gas detector SENS SG-1A has a firmware. Firmware version is shown in table of configuration parameters table of gas detector Configuration datasheet. Firmware is identified on demand via digital serial interfaces.

  • Page 9: Completeness

    - «4…20 mA HART» (10), for connection of circuits of analogue current output (4…20) mA HART; - «SENS» (11), for connection of circuits of SENS interface line or power supply circuits of gas detector models -00…-18; - «RS-485» (12), for connection of circuits of RS-485 interface;...

  • Page 10: Operation Principle

    Annex H. Status byte is transmitted by gas detector to the SENS line, received and analyzed by other devices: switching units, power and switching units (BK and BPK type), light, sound signaling devices...

  • Page 11: Provision Of Explosion Protection

    7.3 Provision of explosion protection Gas detector is explosion-proof equipment, complies with requirements of GOST 31610.0, GOST IEC 60079-1, and GOST IEC 60079-29-1, and has «flameproof enclosure» d «type of explosion protection. Explosion protection marking of gas detector «1Ex d IIB T4 Gb». SENS.413347.015RE...

  • Page 12: Instructions On Installation, Comissioning, Operation

    Rostechnadzor dated 25.03.2014, No.116. 8.1.7 It is not allowed to discharge VGM in the atmosphere of working premises during maintenance of gas detector. 8.2 Operational limitations Operation of gas detector is not allowed when: - it has mechanical damages; SENS.413347.015RE...

  • Page 13: Putting Product Into Operation

    A - number of adapters (LIN-RS232, LIN-RS485, LIN-USB and etc.). Note - Specified value of T is maximal, real response time - 0...T. Number of signaling devices is considered to be equal to one, regardless of their number in SENS line, if signaling devices are configured for "hibernation" mode.
  • Page 14 For gas detector models -00…-18 positive conductor of power supply unit is connected to “+” circuit of “SENS” screw terminal clamp of electronic unit, negative conductor of power supply unit is connected to “-” circuit of “SENS” Signaling device screw terminal clamp of electronic unit.
  • Page 15 8.3.5.4 Perform checking of operational capability for relay 1 and relay 2 in accordance with 8.5.3.3. To control state of relay contacts, use ohmmeter 1 and ohmmeter 2. 8.3.5.5 It is recommended to check zero calibration and sensitivity of gas detector in accordance with 8.5.3.4 and 8.5.3.5. SENS.413347.015RE...
  • Page 16 SENS system (for gas detector model with SENS interface) and in RS-485 Modbus protocol network (for gas detector model with RS-485 interface), as installation of gas detector with same addresses in one segment of SENS line and one segment of RS-485 Modbus protocol network is not allowed.

  • Page 17: Operational Procedure

    Output of information on measured concentration is performed: - using three-digit digital indicator for gas detector model with built-in digital indicator; - via digital interface of SENS line (SENS protocol) for gas detector model with SENS interface; - via digital interface RS-485 (Modbus protocol) for gas detector model with RS-485 interface;...
  • Page 18 In operation mode during viewing of parameters, transition from one parameter to another is performed by short-press of right-button of MS-K-500-3 signaling device, and transition to viewing of parameters of the next SI SENS device is performed by short- or long- press of the left button.
  • Page 19 CH parameter is used for zero setting and calibration of sensitivity during maintenance, verification of gas detector, as well as in emulation mode. 8.4.2.3 Quick-access menu Structure of quick-access menu is shown in figure 8.2. SENS.413347.015RE...
  • Page 20 - bt - Bits. Status byte of gas detector in accordance with Annex H. Status byte of gas detector is only displayed with administrator access level mode. 8.4.2.4 Menu of gas detector configuration Structure of gas detector configuration menu is shown in figure 8.3. SENS.413347.015RE...
  • Page 21 8.4.2.10. parameters Settings 1 Set in accordance with (configuration of relay 1) 8.4.2.11. Settings 2 Set in accordance with (configuration of relay 2) 8.4.2.11. Settings 3 Set in accordance with (configuration of triggering 8.4.2.12. inversion for relays 1 and SENS.413347.015RE...
  • Page 22 Restore parameters LL and Set in accordance with 8.4.2.7. Enable indicators test mode Set in accordance with 8.5.3.2. С07 Disable indicators test mode С08 Calibration of output current Set in accordance with 4 mA of 4...20 mA interface 8.5.3.8. SENS.413347.015RE...
  • Page 23 C230. PSd. Access control Password to enter mode for Set in accordance with changing parameters 8.4.2.6. (administrator mode) SADA Configuration of Data rate Set in accordance with RS-485 port 8.4.2.14. Parity parameters Protocol switch SENS.413347.015RE...
  • Page 24 Type of device will be displayed after address input - SEnS (sensor), as well as its address in SI SENS and first menu item - SEE. 8.4.5.2 Fast transition to operation mode of viewing parameters SEE item of configuration menu provides fast transition to operation mode of viewing parameters.
  • Page 25 Note - Position of divider point in four-digit number defines a unique password. 8.4.2.7 Selection of detected component When using gas detector SENS SG-A1 (calibration gas - propane) at autogas filling stations (liquefied hydrocarbon gases), butane must be selected as detected component.
  • Page 26 8.4.2.9 Configuration of alarm signaling thresholds. Alarm signaling thresholds are configured in menu item LEu. On the basis of configured thresholds, status byte of gas detector is formed (see Annex H). When specified threshold SENS.413347.015RE...
  • Page 27 Current settings of threshold will be displayed; - to edit, long-press right button to enter threshold configuration mode, designation of current controlled parameter will flash; - select parameter Cn (concentration) or "--" (double dash) by long-press of right (left, if SENS.413347.015RE...
  • Page 28 Value of parameters b1 and b2 must be recorded in the table of configuration parameters of gas detector configuration data sheet. Factory setting of parameter ba is triggering on exceeding of concentration set by threshold 1, b2 is triggering on failure occurrence (if SENS.413347.015RE...
  • Page 29 Concentration, % LFL (No. of parameter = 0x10), or Concentration, % vol. fraction (No. of parameter = 0x0D). With disabled burst mode, status byte packet is as follows (figure 8.5). For details see document "SENS Devices. Exchange protocol". L = 1 STATE...
  • Page 30 A - number of adapters (LIN-RS232, LIN-RS485, LIN-USB and etc.). Note - Specified value of T is maximal, real response time - 0...T. Number of signaling devices is considered to be equal to one, regardless of their number in SENS line, if signaling devices are configured for "hibernation" mode.
  • Page 31 Gas detector sends a status byte to the line, only if its address is in range from 1 to 127. Note - Certain switching units, power and switching units of SENS system support handling of transducer status byte only if its address is in range from 1 to 31.
  • Page 32 If the address of gas detector is unknown, 0 address may be used to enter configuration mode. At the same time, all other devices having addresses must be disconnected from SENS line. ATTENTION! USE OF 0 ADDRESS TO ENTER CONFIGURATION MODE IS ONLY REASONABLE FOR VIEWING OF SINGLE DEVICE PARAMETERS;...
  • Page 33 - address of gas detector in RS-485 network Modbus protocol. Before connection of gas detector to RS-485 line Modbus protocol, it is required to configure parameters shown above in advance, for correct operation via digital interface RS- 485 (Modbus protocol). SENS.413347.015RE...
  • Page 34 06 but multiple registers are written at the same time. - 17 (0x11, Report Slave ID (Serial Line only)) - read ID of gas detector «SENS-SG». Commands are implemented in accordance with specification "Modbus Application Protocol Specification v1.1 b".
  • Page 35 Data transfer mode via RS-485: int16 0 - 8N1; 1 - 8N2; 2 - 8O2; 3 - 8E2 Communication protocol via RS-485: 0 - automatic protocol detection; int16 1 - Modbus RTU protocol; 2 - SENS protocol; % vol. 1024 Concentration float32 fraction 1030...
  • Page 36 Hysteresis % of LFL float32 2384 Quantity of calibration points float32 2416 Error code int16 2418 Address of the transducer in SENS line int16 2420 Version of controller firmware int16 2500 Threshold 1 % LFL float32 2502 Value of threshold 1...
  • Page 37 (register 4000 complies with register 5000; register 4001 complies with register 5001 and etc.). An example of remapping registers use is shown on figure 8.7. For example, to put concentration value, % LFL (int16) at address 4000, address of "Concentration, % LFL" register - 16 - shall be written at address 5000. SENS.413347.015RE...
  • Page 38 Configuration of HART Gas Detectors  Configuration of HART Gas Detectors". Window of "Configuration of HART Gas Detectors" program is shown on figure 8.8. Note - for configuration of SENS SG-A1 gas detector, "Configuration of HART Gas Detectors" software is used.
  • Page 39  1st variable - Concentration, % LFL;  2nd variable - Value of current in 4...20 mA, mA;  3rd variable - Status byte (see Annex H and table 8.8);  4th variable - Error code (see table 8.5). SENS.413347.015RE...
  • Page 40 (when access level is changed using calibration command). To read measurable parameters of gas detector (one time), select "Device  Read parameters" in main menu, or press "F2" keyboard key, or click button on toolbar (figure 8.13). Message "Parameters successfully read" appears in the event log. SENS.413347.015RE...
  • Page 41 Flag "Configuration was changed" also will be set. Figure 8.14 - Window of "Configuration of HART Gas Detectors" program. "Parameters" tab. Configurable parameters of gas detector Next, changing of gas detector settings needs to be considered in details. SENS.413347.015RE...
  • Page 42 4. To receive values for signal relays settings is as follows (values of bits of signal relays are shown in Annex I). For example, you need to active signal relay 1 for triggering upon exceeding of 50% LFL value of threshold 5. To do this, set bit 5 (figure 8.17). SENS.413347.015RE...
  • Page 43 Figure 8.18 - Factory settings of parameters: a) "Relay 1 settings"; b) "Relay 2 settings" Inversion of signal relays triggering. For inversion, parameter "Inversion settings for relay 1 and relay 2" (cb) is used. Viewing of parameter values is available for operation modes SENS.413347.015RE...
  • Page 44 Figure 8.20 - "Setting of parameter" dialogue box. Input of "LFL of component, %, vol.fraction" parameter value 4. Received value should be entered into "Value" input field of "Setting of parameter" dialogue box, then click "OK" button. 5. Write parameters by pressing "F4" keyboard key. SENS.413347.015RE...
  • Page 45 "Value of threshold 1" parameter, upon further reading it will be equal to 0. Click "OK" button. Figure 8.22 - "Setting of parameter" dialogue box. Selection of "Threshold 1" parameter value SENS.413347.015RE...
  • Page 46 If all done correctly, message "Parameters successfully written" will appear in event log and flag "Configuration was changed" will be set. Factory setting of "Administrator's password" parameter is "1234". Calibration of gas detector is performed on "Calibration" tab of "Configuration of HART Gas Detectors" program (figure 8.25). SENS.413347.015RE...
  • Page 47 - Concentration, % LFL; 2) Secondary variable - Value of current in 4...20 mA; 3) Third variable - Status byte; 4) Fourth variable - Error code (error codes are shown in table 8.5). Bits of status byte are also shown. To determined current status of gas detector, use Annex H. SENS.413347.015RE...
  • Page 48 Reset adjustment. In case of successful command execution, message "Adjustment reset complete" will appear in event log. Adjustment of current loop. Group is shown in figure 8.28. To perform adjustment of current loop, a circuit shown in figure 8.1 should be assembled and following actions should be performed: SENS.413347.015RE...
  • Page 49 Click "Set" button. In case of successful command execution, message "A range has been set" will appear in event log. Setting of range using current value of primary variable. This group (figure 8.30) is used for setting of lower and upper measurement limit using current value of primary variable. SENS.413347.015RE...
  • Page 50 C03 - calibration of PT sensitivity. Input value of concentration, in % LFL, in "Parameter" input field. Value in VGM data sheet is specified in % vol. fraction. To convert value in % LFL, use formula: SENS.413347.015RE...
  • Page 51 Figure 8.34 - Window of "Configuration of HART Gas Detectors" program. "Calibration" tab Commands of HART protocol supported by gas detector, as well as list of gas detectors parameters available for reading and (or) changing are shown in Annex K. SENS.413347.015RE...

  • Page 52: Maintenance

    (if required) and verification. Example for operations performed in this section is described for gas detectors with SENS interface, using commands of SENS line. For gas detectors without SENS interface, operation is similar, using corresponding command of Modbus and HART protocols and required equipment.
  • Page 53 - supply VGM No.3 to gas detector, using rotameter, set flow rate of VGM 0.4 to 0.6 l/min; - keep gas detector until stabilization of indications, at least four minutes; - control availability of constant glow of "THRESHOLD" indicator on gas detector face panel; SENS.413347.015RE...
  • Page 54 - set parameter Cn for viewing; - control that MS-K-500-3 display shows value of concentration which is equal to 50% LFL with accuracy determined by specifications of gas detector; - perform check of gas detector sensitivity calibration in accordance with 8.5.3.5; SENS.413347.015RE...

  • Page 55: Repair

    - run command C231 (enter administrator mode); - run command C211 (enter verification mode); - exit to operation mode of viewing parameters; Verification of gas detector is performed as per methodology SENS.413347.015MP. Exiting verification mode is as follows: - enter configuration menu;...
  • Page 56 - select detectable component in accordance with 8.4.2.7; - perform initialization of primary transducer in accordance with 8.4.2.8. - run command C230 (exit administrator mode); - exit to operation mode of viewing parameters; - make sure there's no indication of gas detector failure. SENS.413347.015RE...

  • Page 57: Transportation And Storage

    11 MANUFACTURER'S WARRANTY 11.1 Warranty period – 24 months from the Manufacturer shipping date. The Manufacturer takes obligation to fix defects revealed by Customer throughout warranty period, taking into account following storage, transportation, installation and operation conditions by the Customer. SENS.413347.015RE...
  • Page 58 Models of gas detector with methane verification component are listed in table A.2 Table A.1 Name Interfaces SENS, RS-485, (4…20) mA, HART, relay Gas detector SENS SG-A1-C3H8 SENS, RS-485, (4…20) mA, HART Gas detector SENS SG-A1-C3H8 SENS, RS-485, (4…20) mA Gas detector SENS SG-A1-02-C3H8 SENS, RS-485, (4…20) mA...
  • Page 59 Cont. of table A.1 Name Interfaces SENS, RS-485, (4…20) mA, HART, relay, Gas detector SENS SG-A1-I-C3H8 digital indicator SENS, RS-485, (4…20) mA, HART, Gas detector SENS SG-A1-01-I-C3H8 digital indicator SENS, RS-485, (4…20) mA, relay, Gas detector SENS SG-A1-02-I-C3H8 digital indicator SENS, RS-485, (4…20) mA,...
  • Page 60 Table A.2 Name Interfaces SENS, RS-485, (4…20) mA, HART, relay Gas detector SENS SG-A1-CH4 SENS, RS-485, (4…20) mA, HART Gas detector SENS SG-A1-01-CH4 SENS, RS-485, (4…20) mA Gas detector SENS SG-A1-02-CH4 SENS, RS-485, (4…20) mA Gas detector SENS SG-A1-03-CH4 SENS, RS-485, relay...
  • Page 61 Cont. of table A.2 Name Interfaces SENS, RS-485, (4…20) mA, HART, relay, digital Gas detector SENS SG-A1- I-CH4 indicator SENS, RS-485, (4…20) mA, HART, Gas detector SENS SG-A1-01-I-CH4 digital indicator SENS, RS-485, (4…20) mA, relay, Gas detector SENS SG-A1-02-I-CH4 digital indicator SENS, RS-485, (4…20) mA,...
  • Page 62 8.1.1 repair, overhaul and reclamation GOST 60079-1:2013 Explosive atmospheres. Part Equipment protection by flameproof enclosures "d" GOST R IEC 60079-20-1-2011 Explosive atmospheres. Part 20. 1.2, 8.4.2.7, Material characteristics for gas and vapour classification. Test Annex J methods and data. SENS.413347.015RE...
  • Page 63 Rostechnadzor dated 25.03.2014, No.116. TR CU 012/2011 Technical regulation of Customs Union. On safety of the equipment for operation in explosive atmospheres, approved by decision of Customs Union Commission dated 18.10.2011, No. 825. SENS.413347.015RE...
  • Page 64 C.2 List of components not detected by gas detector is shown in table C.2 Table C.2 Name Name Ammonia Hydrogen sulfide Hydrogen bromide Hydrogen cyanide Hydrogen Phosphine Silicon hydrides Chlorine Arsenic hydride Hydrogen chloride Nitrogen dioxide Boron chloride Carbon dioxide Nitrogen dioxide Sulfur oxide Carbon oxide SENS.413347.015RE...
  • Page 65 ANNEX D (for reference) General view, overall and installation dimensions, security sealing SENS.413347.015RE...
  • Page 66 ANNEX E (optional) Models of cable entries SENS.413347.015RE...
  • Page 67 ANNEX F (optional) Drawing of explosion protection means SENS.413347.015RE...
  • Page 68 SENS.413347.015RE...
  • Page 69 SENS.413347.015RE...
  • Page 70 1- cylinder with state standard sample of VGM; 2- reducer RV-90; 3- precise adjustment valve VTR-1; 4- rotameter RM-A-0,063 GU3; 5- pipe PM-1/42; 6- gas detector SENS SG-A1; 7- adapter for supplying of CGM to gas detector; Figure I.1 - Checking diagram SENS.413347.015RE...
  • Page 71 Short – measurement mode, long – special mode. Bit7. Exceeding of measurement range of verification component. Short – threshold is not exceeded, long – threshold is exceeded. Bit8. Gas detector failure. Short – no failures, long – gas detector failure. SENS.413347.015RE...

  • Page 72: Annex I. Byte Of Relay Configuration

    Bit7. Exceeding of measurement range for verification component. Bit8. Occurrence of gas detector failure. Short vertical line - bit is not set. Long vertical line - bit is set. With bit set, relay will trigger upon occurrence of event. SENS.413347.015RE...
  • Page 73 List of required equipment for maintenance is specified in Table J.1 of Annex J. Table J.1 Means of control and testing Specifications Type 1 Adapter for supplying of VGM to gas SENS.301156.048 detector 2 Fine adjustment tap VTR-1 API4.463.008 3 Reduction gear RV-90 TU 26-05-122-88 V Verification gas mixtures of nitrogen, Table J.2...
  • Page 74 2 It is accepted to apply VGM No.2 and VGM No.3 with other content of measured component than specified. At the same time, content of measured component in VGM No.2 should be 45% to 55% LFL, in VGM No.3 - 89% to 98% LFL. SENS.413347.015RE...
  • Page 75 Maximal variable code 14-15 u-16 Configuration changes counter bits Extended device status Error codes Bell 202 Current. Multi-Sensor Field Device. Status is equal to 0x02 if incorrect measurable values are present, in other cases status is equal to 0x00. SENS.413347.015RE...
  • Page 76 Value of fourth variable Error codes Code Description Access restricted Change of primary variable code if performed by command 51. Number of return dynamic variables is accepted to be from 0 to 4, depending on number of dynamic variables assignments (command 51). SENS.413347.015RE...
  • Page 77 Class. code Primary variable enum Class. code Secondary variable enum Class. code Third variable enum Class. code Fourth variable Error codes Code Description Access restricted It is accepted to write only query address. Only one parameter should be transmitted for it. SENS.413347.015RE...
  • Page 78 Error codes Code Description Incorrect number of bytes received Access restricted Accepted number of requested variables is from 1 to 4. Status is equal to 0x02 if incorrect measurable values are present; in other cases status is equal to 0x00. SENS.413347.015RE...
  • Page 79 Serial number of sensing element Code of measurement units of enum thresholds and measurement step float Upper threshold of sensor 8-11 float Lower threshold of sensor 12-15 float Minimal measurement step Error codes Code Description Access restricted Matches device serial number SENS.413347.015RE...
  • Page 80 Manufacturer's code Flag of analogue channel bits connection (always connected) Error codes Code Description Access restricted Read final Query data assembly number Response data Byte Type Value Description u-24 Final assembly number Error codes Code Description Access restricted SENS.413347.015RE...
  • Page 81 Final assembly number Response data Byte Type Value Description u-24 Final assembly number Error codes Code Description Write-protection enabled Access restricted Change of final assembly is prohibited; response always includes error code 16. Matches device serial number SENS.413347.015RE...
  • Page 82 Description Incorrect number of parameters Write-protection enabled Access restricted Read Query data variables Byte Type Value Description Variable code 0 Variable code 1 Variable code 2 Variable code 3 Accepted number of requested variables is from 1 to 4. SENS.413347.015RE...
  • Page 83 Byte Type Value Description Value of level damping (s) float Response data Byte Type Value Description float Value of level damping (s) Error codes Code Description Unknown error code Incorrect number of bytes received Write-protection enabled Access restricted SENS.413347.015RE...
  • Page 84 Set lower value Query data of range Response data Error codes Code Description Unknown error code Write-protection enabled Access restricted Set in accordance with current value of 20 mA level. Set in accordance with current value of 4 mA level. SENS.413347.015RE...
  • Page 85 Write-protection enabled Current loop inactive Access restricted Device reset Query data Response data Error codes Code Description Access restricted Zero setting for Query data primary variable Response data Error codes Code Description Unknown error code Write-protection enabled Access restricted SENS.413347.015RE...
  • Page 86 Code of primary variable Code of secondary variable Accepted number of assignments is from 1 to 4. Command writes assignments of dynamic variables which are present in response to commands 1 and 3. Assignments are saved after power reset. SENS.413347.015RE...
  • Page 87 Write-protection code: 0x00 – unlocked; 0x01 – locked temporarily (until enum power reset); 0x02 – permanently locked; Response data Byte Type Value Description Write-protection code: 0x00 – unlocked; 0x01 – locked temporarily (until enum power reset); 0x02 – permanently locked; SENS.413347.015RE...
  • Page 88 Value Description Variable code enum Write type (ignored) Measurement units code of enum variable float Variable value bits Variable status Error codes Code Description Unknown error code Incorrect number of bytes received Write-protection enabled Access restricted Invalid measurement units SENS.413347.015RE...
  • Page 89 Invalid measurement units Unknown error code Reset Query data adjustment Byte Type Value Description Device variable for reset Response data Byte Type Value Description Device variable for reset Error codes Code Description Write-protection enabled Access restricted Unknown error code SENS.413347.015RE...
  • Page 90 Byte Type Value Description Code of batch mode command (1, 2, 3, 9 or 33) Accepted number of assignments is from 1 to 4. Assignments are not saved after power reset (variables codes are equal to 1,2,3,4 by default). SENS.413347.015RE...
  • Page 91 Variable value Response data Code Type Value Description Code of calibration command enum Code in query Measurement units code of enum calibration variable float Variable value Error codes Code Description Unknown error code Incorrect number of bytes received Write-protection enabled SENS.413347.015RE...
  • Page 92 K.6 Read/write functions restriction is shown in table K.4. Hereinafter following designations are used: R - read-only; RS - read/write; P - "User" access level; A - "Administrator" access level (parameter change); B - possibility to lock from accidental change. SENS.413347.015RE...
  • Page 93 Read tag, descriptor and date Read information of sensing element Read device information Read final assembly number Write message Write tag, descriptor and date Write final assembly number Read long tag Read unique identifier associated with the tag Write long tag SENS.413347.015RE...
  • Page 94 Write dynamic variables assignments Write number of preambles in response Lock device from changes Read change-protection status Write variable Level adjustment Reset adjustment Read batch mode configuration Write assignments batch mode variables Write batch mode command Management of batch mode Run calibration SENS.413347.015RE...
  • Page 95 Value of critical value of threshold 4 0x18 LEV5_VALUE Value of critical value of threshold 5 0x19 Device Manufacturer 0x81 Device type 0x82 Device serial number 0x83 PREANSW RW RW Number of preambles in response 0x84 ALARMCUR Alarm current (mA) 0x86 SENS.413347.015RE...
  • Page 96 0x91 ERRTIME Level measurement error timeout (s) 0x92 CURRENT_4 Current in line corresponding to 4 mA 0x93 CURRENT_20 Current in line corresponding to 20 mA 0x94 BITSCONF Bits of configuration change 0x95 PASSWD1_HA Password for entering administrator level 0xF5 SENS.413347.015RE...
  • Page 97 Set lower measurement threshold (lower value of range, corresponding to 4 mA, analogue of command 37) Set upper measurement threshold (upper value of range, corresponding to 4 mA, analogue of command 36) Enter user level Enter administrator level SENS.413347.015RE...
  • Page 98 For notes SENS.413347.015RE...
  • Page 99 For notes SENS.413347.015RE...
  • Page 100 NPP SENSOR LLC Russia, 442965, Zarechny, Penza region, P.O. Box 737. Phone / Fax +7(8412) 652100 Corr. 04.04.2018...

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