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Fisher FIELDVUE DVC2000 Instruction Manual Supplement

Digital valve controller
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Download this manual See also: Instruction Manual
Instruction Manual Supplement
D103783X012
HARTr Field Device Specification
™
Fisher
FIELDVUE
Controller
HART Revision
HART 5
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Note
This document does not include the DVC2000 AC product (Device Type 13F5) which only supports Device Specific HART
Commands and not Universal or Common Practice Commands.
www.Fisher.com
™
DVC2000 Digital Valve
Device Type Device Revision Firmware Revision
05
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DVC2000 Digital Valve Controller
September 2017

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  • Page 1: Table Of Contents

    Instruction Manual Supplement DVC2000 Digital Valve Controller D103783X012 September 2017 HARTr Field Device Specification ™ ™ Fisher FIELDVUE DVC2000 Digital Valve Controller HART Revision Device Type Device Revision Firmware Revision HART 5 1, 2, 3, 4, 5, 6 Introduction ....... . .

  • Page 2: Introduction

    Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Introduction Product Overview The DVC2000 digital valve controller is a communicating, microprocessor-based current-to-pneumatic valve positioner. It is designed to replace standard pneumatic and electro-pneumatic valve positioners. In addition to the traditional function of converting an input current signal (4-20 mA) to a pneumatic output pressure, the DVC2000 digital valve controller communicates via a local display panel and/or via the HART protocol.

  • Page 3: Reference Documentation

    Communication Protocol, physical layers, and Data Link Layers as defined by the HART Communications Foundation. Bulletin 62.1:DVC2000 Fisher FIELDVUE DVC2000 Digital Valve Controller (D103167X012) Fisher FIELDVUE DVC2000 Digital Valve Controllers Quick Start Guide (D103203X012) Fisher FIELDVUE DVC2000 Digital Valve Controller Instruction Manual (D103176X012)

  • Page 4: Product Interfaces

    Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Product Interfaces Control Valve Interface The DVC2000 digital valve controller is mechanically attached to the valve’s actuator by means of a mounting bracket. The control valve's position is conveyed to the travel sensor of the DVC2000 digital valve controller by means of the feedback bracket and magnet assembly attached to the actuator’s stem or rotating travel sensor.

  • Page 5: Output Options Circuit

    Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Output Options Circuit All three options circuits (transmitter, switch 1 and switch 2) control current from an external power source similar to the operation of a 2-wire transmitter. Limit Switches On units that are supplied with integral limit switches, additional terminals provide the field wiring connection point.

  • Page 6: Dynamic Variables

    Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Dynamic Variables Four Dynamic Variables are implemented. Default Meaning Units Analog Input mA, % Travel Setpoint Pressure PSI, BAR, KPA Travel Device Variables These variables represent measurements taken by the device, are read only values, and are all in float format. These can be read with Commands 33 and 54.

  • Page 7: Status Information

    Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Status Information Device Status The Field Device Status Byte is the only status byte defined in the HART protocol. The order and meaning of each of the eight bits within the byte are fixed by the protocol. This byte is one of the status bytes included with each HART response.

  • Page 8: Universal Commands

    Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Universal Commands The DVC2000 field device implements all HART Revision 5 Universal Commands. Command 0: Read Unique Identifier Command 1: Read Primary Variable Command 2: Read P.V. Current and Percent of Range Command 3: Read Dynamic Variables and P.V.
  • Page 9 Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Command 0: Read Unique Identifiers Byte Description Format Value Request none Data Bytes Data type expansion code Byte, hex Manufacturer identification code Byte, hex Manufacturer’s Device Type code Byte, hex Number of preambles Byte, hex Universal command revision...
  • Page 10 Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Command 1: Read Primary Variable This command reads the value of the DVC2000’s Primary Variable, which is Analog Input (loop current). The units are either “mA” or “%” as configured in the device by Command 44. Byte Format Description...
  • Page 11 Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Command 3: Read Dynamic Variables and Loop Current This command is used to read the value of Loop Current and the four Dynamic Variables. The four dynamic variables returned depend upon the variable assignment as defined by Command 51 and read back via Command 50. The default Dynamic Variable assignment and the Variable Units Codes are shown on page 6.
  • Page 12 Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Command 15: Read Primary Variable Output Information This command returns the upper/lower range values for the primary variable which is defined to be the loop current signal. These are the loop current values for the ends of physical travel, and are used to derive set point from the loop current.

  • Page 13: Common­practice Commands

    Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Common­Practice Commands The DVC2000 field device supports the following common practice commands: Supported Commands Command 33: Read Device Variables Command 35: Write Primary Variable Range Values Command 38: Reset Configuration Change Flag Command 42: Master Reset Command 44: Change Primary Variable Units Code Command 48: Read Additional Status...
  • Page 14 Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Command 35: Write Primary Variable Range Values In the DVC2000, the Primary Variable is defined to be the Analog Input (loop current). This command is used to write the ranging values reported in Command 15. It controls how the DVC2000 interprets the loop current when creating the Travel Target.
  • Page 15 Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Command 42: Perform Master Reset This reset command has two options. If no data bytes are supplied, respond immediately and then perform a “warm” reset. This is not equivalent to power up in that restart modes and default IVP are not adopted and the real­time clock is not reset.
  • Page 16 Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Command 48: Read Additional Status Byte Format Description Request Data None bytes Uint8 Command 48 Response Byte 0 Uint8 Command 48 Response Byte 1 Uint8 Command 48 Response Byte 2 Response Uint8 Command 48 Response Byte 3...
  • Page 17 Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Additional Device Status Command 48 returns 8 bytes of data, with the following status information: Byte Name of Status Bit Meaning Active if there is a failure associated with flash ROM (read only Flash Integrity Failure memory).
  • Page 18 Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Additional Device Status Byte Name of Status Bit Meaning Reserved Reserved Reserved Reserved Reserved Reserved Integrator Saturated High Active if the instrument integrator is saturated at the high Alert extreme. Integrator Saturated Low Active if the instrument integrator is saturated at the low extreme.
  • Page 19 Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Command 50: Read Dynamic Variable Assignments This command returns a list of four device variable codes taken from table DVC Device Variables which are returned in Command 3. These Dynamic Variables are fixed and control the Command 3 response, whether burst or by request. Byte Format Description...

  • Page 20: Device-Specific Commands

    Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Device-Specific Commands The DVC2000 field device supports device­specific commands. However, these device­specific commands require use of the ValveLink software application or DD methods and cannot be utilized outside of those controlled environments. Burst Mode This field device supports Burst Mode.

  • Page 21: Annex A Compatibility Checklist

    DVC2000 Digital Valve Controller September 2017 D103783X012 Annex A Compatibility Checklist Manufacturer, Model, and Revision Fisher Controls DVC2000 Device Revision 1 Device Type Pneumatic Control Valve Positioner HART Protocol Revision User switchable between HART 5 mode and HART 7 mode?

  • Page 22: Annex B Dvc2000 Parameters As Part Of A Rosemountr 1410/1420 Wirelesshartr Gateway

    Annex B DVC2000 Parameters as part of a Rosemount 1410 / 1420 WirelessHART Gateway A FIELDVUE DVC2000 can join a wireless network through the addition of a Rosemount 775 THUM WirelessHART adapter. The wireless adapter acts both as a HART modem for communications coming to the DVC2000 from application software and as an independent master issuing commands periodically to the wired device pertaining to the device’s status.
  • Page 23 Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 The FIELDVUE instrument is defined on the Gateway by “Tag” (read from the device’s “Message” field). For each Tag, the Gateway provides updated values for: D Variables D Additional Status D Published Data...
  • Page 24 Published Data, used for the Gateway’s OPC and Modbus outputs, falls into the following categories: Field Device Identification Values: Values that define the identity of the DVC2000. These include: D MANUFACTURER (for “Fisher Controls” the value is “19”) D DEVICE_TYPE (for a DVC2000 the value is “5”) D DEVICE_REVISION D HARDWARE_REVISION...
  • Page 25 Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 Device Status: The eight standard status conditions (present in ANY HART field device) are all represented by a Boolean “true” or “false” state. These eight conditions, discussed on page 7, are: D DEVICE_MALFUNCTION D CONFIGURATION_CHANGED D COLD_START...
  • Page 26 Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 ADDITIONAL_STATUS_1 According to Command 48: As defined in the Gateway: Bit 7 Alert Record Not Empty Alert ALERT_RECORD_HAS_ENTRIES Bit 6 Auto Tune in Progress AUTO_TUNER_IN_PROGRESS Bit 5 Calibration in Progress Alert CALIBRATION_IN_PROGRESS Bit 4 Diagnostics in Progress Alert...
  • Page 27 Instruction Manual Supplement DVC2000 Digital Valve Controller September 2017 D103783X012 ADDITIONAL_STATUS_4 According to Command 48: As defined in the Gateway: Bit 7 Travel Alert Lo TRAVEL_ALERT_LO Bit 6 Travel Alert Lo Lo TRAVEL_ALERT_LO_LO Bit 5 Travel Alert Hi TRAVEL_ALERT_HI Bit 4 Travel Alert Hi Hi TRAVEL_ALERT_HI_HI Bit 3...
  • Page 28 Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user. Fisher, FIELDVUE, and Rosemount are marks owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co.

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