Samson 3730-6 Configuration Manual
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Samson 3730-6 Configuration Manual

Series 3730, series 3731, (ex d) electropneumatic positioners, hart communication
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Series 3730/3731
Type 3730-3, Type 3730-6 and
Type 3731-3 (Ex d) Electropneumatic
Positioners
HART
Communication
®
Supplementary Configuration Instructions
Configuration Manual
KH 8384-3 EN
Edition February 2015

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Summary of Contents for Samson 3730-6

  • Page 1 Series 3730/3731 Type 3730-3, Type 3730-6 and Type 3731-3 (Ex d) Electropneumatic Positioners HART Communication ® Supplementary Configuration Instructions Configuration Manual KH 8384-3 EN Edition February 2015...
  • Page 2 Definition of the signal words used in these mounting and operating instructions DANGER! NOTICE indicates a hazardous situation which, indicates a property damage mes- if not avoided, will result in death or sage. serious injury. Note:   WARNING! Supplementary explanations, informa- indicates a hazardous situation which, tion and tips if not avoided, could result in death or...

  • Page 3: Table Of Contents

    Command 38 (Reset Configuration Change Flag) ..........10 Command 48 (Read Additional Status) ............11 3.6.1 Type 3730-3 and Type 3731-3 ..............11 3.6.2 Type 3730-6 ....................15 Starting and assessing the partial stroke test (PST) ...........21 3.7.1 Type 3730-3 and Type 3731-3 ..............21 3.7.2 Type 3730-6 ....................23...

  • Page 4: General

    General 1 General This Manual (KH 8384-3 EN) supplements the standard instructions for Types 3730-3, 3730-6 and 3731-3 Positioners and the associated diagnostics instructions. Table 1: Associated documentation Positioner Standard instructions Diagnostics instructions Type 3730-3 EB 8384-3 EN EB 8389 EN...

  • Page 5: Device Status And Response Code

    Device status and response code 2 Device status and response code The device response consists of 2 bytes. The first byte represents either the communication sta- tus or the response code. If the most significant bit (0x80) of the first byte is set, this byte rep- resents the communication status.

  • Page 6: Response Code

    Device status and response code 2.2 Response code Table 3: Response codes Value Definition Success Invalid selection Passed parameter too large Passed parameter too small Too few data bytes received Device-specific command error In write protect mode Invalid date code detected Lower range value too low Upper range value too high Upper range value too low...

  • Page 7: Device Status

    Device status and response code 2.3 Device status This byte indicates the current status of the field device. Table 4: Device status Definition 0x80 The device has detected a serious error. This error endangers the functioning of the device. 0x40 Configuration Changed –...

  • Page 8: Universal Commands

    3.1 Command 0 (Read Unique Identifier) Table 5: Command 0 Byte Definition Byte 0 Byte 1 Manufacturer identification code (66 stands for SAMSON) Byte 2 Device type (373x-3: 239, 3730-6: 238) Byte 3 Minimum number of preambles (master to slave): 5 Byte 4...

  • Page 9: Command 3 (Read Dynamic Variables And Loop Current)

    In Type 373x-3, the reference variable is fixed as the first Dynamic Variable and cannot be changed. In Type 3730-6, the first Dynamic Variable can be selected as required. − Value 0 corresponds to the control value. − Value 1 corresponds to the valve set point.

  • Page 10: Command 33 (Read Device Variables)

    Value 10 Sound level value (leakage sensor) Value 11 Differential pressure (Type 3730-6) 3.5 Command 38 (Reset Configuration Change Flag) Command 38 resets the configuration change flag. This flag is always reset when a value is written to the EEPROM.

  • Page 11: Command 48 (Read Additional Status)

    Universal commands 3.6 Command 48 (Read Additional Status) 3.6.1 Type 3730-3 and Type 3731-3 The command 48 reads the additional device status. Four internal error bytes are returned which, for example, contain error messages for the closed-loop operation (control loop er- ror etc.).
  • Page 12 Universal commands Byte Error description Display menu item Transit time too short Pin position missing Control loop error Zero point Autocorrection Fatal error – – x signal w too small i/p converter Hardware Data memory Test calculation Control parameter Potentiometer parameter Calibration parameter General parameters –...
  • Page 13 Universal commands Concerning bytes 17 to 30: NAMUR status messages of extended diagnostics Byte Message description Bit 0 No message Bit 1 Maintenance required Bit 2 Maintenance demanded Bit 3 Maintenance alarm Bit 7 Function check Bit 0 Supply pressure – OK Bit 1 Supply pressure –...
  • Page 14 Universal commands Byte Message description Bit 0 Leakage in the pneumatics – OK Bit 1 Leakage in the pneumatics – Perhaps existing (TEST) Bit 2 Leakage in the pneumatics – Perhaps existing Bit 3 Leakage in the pneumatics – Perhaps too large (TEST) Bit 4 Leakage in the pneumatics –...

  • Page 15: Type 3730-6

    Type 3730-6 The command 48 reads the extended device status. Six internal error bytes are returned which, for example, contain error messages for the closed-loop operation (control loop error etc.). Table 10: Command 48 for Type 3730-6 Byte Definition Byte 0 to 5...
  • Page 16 Universal commands Byte 18 to 29 NAMUR status messages of the extended diagnostics Byte 30 to 31 PST: Results of current test Byte 32 to 33 FST: Results of current test Byte 34 On/off (0 = no error/1 = an error has occurred) Byte 35 Temperature monitoring Concerning bytes 0 to 5: these bytes contain six error bytes of the positioner.
  • Page 17 Universal commands Byte Message description Local operation Bit 0 Test calculation Code 67 Bit 1 Pressure sensor Code 72 Bit 2 No emergency mode Code 76 Bit 3 Valve signature canceled Code 81 Bit 4 PST/FST status Code 84 Bit 5 On/off error Code 85 Bit 6...
  • Page 18 Universal commands Byte Message description Local operation Bit 0 Course of end position – Bit 1 Positioner/valve mechanical connection – Bit 2 Range – Bit 3 Partial stroke test (PST)/full stroke test (FST) – Bit 4 Temperature monitoring – Bit 5 –...
  • Page 19 Universal commands Byte Message description Bit 0 Shifting working range – OK Bit 1 Shifting working range – Shifting working range to closing position Bit 2 Shifting working range – Shifting working range to max. opening position Bit 0 Friction – OK Bit 1 Friction –...
  • Page 20 Universal commands Byte Message description Bit 0 Observing end position – OK Observing end position – Zero point shift monotone down, average above Bit 1 reference Observing end position – Zero point shift monotone up, average above ref- Bit 2 erence Bit 3 Observing end position –...

  • Page 21: Starting And Assessing The Partial Stroke Test (Pst)

    Universal commands Byte Message description 30/31 00000000 00100000 Max. test duration exceeded 00000000 01000000 Test cancelled manually 00000000 10000000 Measured data memory full 00000001 00000000 Cancel internal solenoid valve/forced venting 00000010 00000000 Cancelled by control loop error 00000100 00000000 Set point start difference too high 00001000 00000000 Set point change...
  • Page 22 Universal commands − Command 181 Subcommand 468 Byte 0 – Byte 1 to 4: T63 (rising) − Command 181 Subcommand 469 Byte 0 – Byte 1 to 4: T98 (rising) − Command 181 Subcommand 470 Byte 0 – Byte 1 to 4: Rise time step (rising) −...

  • Page 23: Type 3730-6

    Current too low 00100000 00000000 Max. breakaway time exceeded 01000000 00000000 Perm. time until step end exceeded 10000000 00000000 Supply pressure too low 3.7.2 Type 3730-6 Receive Send Byte 1 Byte 2 Start PST 0x89 – – Cmd 168 Stop PST 0x9D –...
  • Page 24 Universal commands Table 12: PST measurement results Byte Measurement results Byte 0 – Byte 1 to 4 Overshoot (rising) float Byte 5 to 8 Dead time (rising) Byte 9 to 12 – Byte 13 to 16 T86 (rising) Byte 17 to 20 Settling time (rising) Byte 21 to 24 –...
  • Page 28 SAMSON AG · MESS- UND REGELTECHNIK Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 KH 8384-3 EN Internet: http://www.samson.de...

This manual is also suitable for:

3730-33731-3

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