Fisher IM Supplement: HART Field Device Specification-FIELDVUE DVC2000 Digital Valve Controller Manuals & Guides

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Instruction Manual Supplement

D103783X012

HARTr Field Device Specification

DVC2000 Digital Valve Controller

September 2017

Fisher

™

FIELDVUE™ DVC2000 Digital Valve

Controller

HART Revision Device Type Device Revision Firmware Revision

HART 5 05 1 1, 2, 3, 4, 5, 6

Introduction 2.................................

Product Overview 2............................

Purpose of this document 2.....................

Abbreviations and definitions 2..................

Reference Documentation 3....................

Device Identification 3..........................

Product Interfaces 4............................

Control Valve Interface 4.......................

Host interface 4...............................

Output Options Circuit 5.......................

Local User Interface 5..........................

Write Protection 5.............................

Firmware and Language Pack Upgrade 5..........

Dynamic Variables 6............................

Device Variables 6..............................

Status Information 7............................

Device Status 7...............................

Universal Commands 8..........................

CommonPractice Commands 13.................

Supported Commands 13......................

Device-Specific Commands 20....................

Burst Mode 20................................

Catch Device Variable 20.......................

Performance 20................................

Annex A Compatibility Checklist 21................

Annex B DVC2000 Parameters as part of a Rosemountr 1410/1420 WirelessHARTr

Gateway 22...............................

W8755

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 Controller

September 2017

Instruction Manual Supplement

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. An option is available which provides isolated circuitry for two (2) integrated limit switches (for open/close valve indication) and a valve position transmitter (for separate valve position feedback).

Purpose of this document

This specification is designed to be a technical reference for HART capable host application developers, system integrators and knowledgeable end-users. It also provides functional specifications (e.g., commands, enumerations and performance requirements) used during field device development, maintenance and testing. This document assumes the reader is familiar with HART Protocol requirements and terminology. Additional product information is available in DVC2000 product literature, available from Emerson Automation Solutions.

Abbreviations and definitions

AR Alert Record

Configuration Variables

Device Variable

Enumeration A pre-defined set of values or text.

MV Measured Variable, a physical input to the instrument.

Point

PS1 The PORT A output pressure which increases with increasing drive signal.

PS2 The PORT B output pressure which decreases with increasing drive signal.

PST Partial Stroke Test, a limited form of ramped valve diagnostic.

Byte An 8bit unsigned integer.

Word A 16bit unsigned integer.

Float Refers to the IEEE 754 floating point format.

Packed ASCII

Standard Span Format

Variables which represent nonvolatile values of manufacturinginitialized data or userspecified configuration information. These variables cannot be enumerated via Command 54 and as such stand on their own with no associated units or range information.

Measured variables that are exposed to HART and can be enumerated using Command 54. Generally there are variables whose ID is in the range of 0 to 10 and are associated with units codes, status, and range values.

Named Variable – a logical point inside the device, hardmapped to a given MV as the source of NV data.

A term that applies to diagnostic data packets. It is defined as a collection of periodically sampled variables captured at a single instant in time. It does not include the “Monitor” point.

A special form of characters defined by HART in which 6bit ASCII characters are packed into byte data.

A proprietary 16bit integer format for numerical values used by some of this device’s Device Specific commands.

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September 2017

Reference Documentation

HART Smart Communications Protocol Specification Revision 5; a group of documents specifying the HART 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

)

Device Identification

Manufacturer Name Fisher Controls Model Name(s) DVC2000

Manufacture ID Code 19 (13 Hex) Device Type Code 5 (05 Hex)

HART Protocol Revision 5 Device Revision 1

User Selectable HART Revision

between HART 5 and HART 7

Number of Device Variables 8

Physical Layers Supported FSK

Physical Device Category Valve Positioner

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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.

MAGNET ASSEMBLY (ATTACHED TO VALVE STEM)

Pneumatic tubing connected to the DVC2000 brings instrument supply air to the DVC2000 and takes controlled output air from the DVC2000 to the actuator. A pressure sensor in the DVC2000 measures the pressure signal and presents it as a device variable.

Host interface

The input to the DVC2000 can either be twowire 4to20 mA current loop (in pointtopoint mode). This input is connected in the DVC2000’s terminal box on two terminals marked “LOOP +” and “LOOP ”. Refer to the DVC2000 quick start guide for connection details.

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September 2017

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. The limit switches are isolated from each other and from the digital valve controller's primary feedback. If only one switch is to be used, you must use channel 1. Although electrically isolated per Intrinsic Safety requirements, channel 2 derives its power from channel 1. Therefore channel 2 cannot be used alone.

Position Transmitter

On units that are supplied with an integral valve position transmitter, additional terminals provide the field wiring connection point. The position transmitter circuit in the DVC2000 derives it's operating power from the 4-20 mA control system input in the same manner as a 2-wire transmitter. In addition, the transmitter function gets position information (through an opto-isolator) from the digital valve controller so the 4-20 mA position control loop must also be powered in order for the position transmitter to provide an output representing the valve position.

Local User Interface

The local user interface is available on all DVC2000 digital valve controllers. The interface consists of a liquid crystal display, four pushbuttons, and a switch for position transmitter configuration. The DVC2000 is supplied with one of three different language packs preinstalled, depending on the firmware revision and ordering option.

Refer to the DVC2000 instruction manual for additional details on using the Local User Interface to configure and calibrate the DVC2000.

Write Protection

There are two Write Protection states for the DVC2000: Not Protected or Protected. Protected prevents configuration and calibration changes to the instrument. The default setting is Not Protected. Protection is controlled under software control.

Firmware and Language Pack Upgrade

The firmware and language pack of any DVC2000 can be upgraded to the latest version using the “Firmware Download” tool in ValveLink™ software. The new firmware incorporates all of the new functionality and corrections and improvements made to the technology of the DVC2000 product.

The firmware download process requires:

D Around 30 minutes to complete

D The DVC2000's instrument mode must be “Out of Service”

D The DVC2000 is powered with 12 mA or greater

D That you isolate the valve from the process and equalize pressure on both sides of the valve or bleed off the

process fluid because the routine will cause the DVC2000 to restart.

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Dynamic Variables

Four Dynamic Variables are implemented.

Default Meaning Units

PV Analog Input mA, % SV Travel Setpoint % TV Pressure PSI, BAR, KPA FV 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.

Variable ID Meaning Units

0 Analog Input mA, % 2 Pressure Port A PSI, BAR, KPA 3 Travel % 4 Drive Signal % 6 Travel Setpoint % 9 Implied Valve Position (Travel Target) %

10 Primary Feedback (user selected, either Travel or Pressure) %

211 Temperature _C or _F

Unit Codes

Variable Units Code Units

0 No Units 6 Pounds per square inch, psi

7 Bar 10 ($0A) Kilograms per square centimeter, kg/cm 12 ($0C) Kilopascals, kPa 32 ($20) Celsius, _C 33 ($21) Fahrenheit, _F 39 ($27) Milliamps, mA 57 ($39) Percent, %

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September 2017

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. It is not part of the Command 48 data.

Bit Name of Status Bit Meaning

7 Field Device Malfunction

6 Configuration Changed

5 Cold Start

4 More Status Active when any bit in command 48 is active.

3 Analog Input Fixed

2 Not Used

1 Internal Sensor Out of Limits

0 Loop Current Out of Range Set when any variable 0 (Analog Input) is saturated.

Set / cleared by the firmware based on self test results. This bit is set if the position or temperature sensors provide invalid readings.

Two such bits exist internally, one for each HART master. Both copies are set when any variable, HART message, tag, descriptor or date are changed from HART. Cleared by command 38, separately for each master. This bit survives loss of power.

Set by the firmware whenever a HARD RESET sequence is executed or at initial device power up. Cleared by the first HART command.

Active if the Instrument Mode of the DVC2000 is in the “Out Of Service” condition or if the Control Mode of the DVC2000 is in one of the digital set point modes.

(This bit is named “NonPrimary Variable Out Of Limits” in the HART documentation for transmitters. It has been renamed to reflect the fact that these variables are INTERNAL INPUTS to FIELDVUE products). The firmware sets this bit when any sensor (pressure, position, temperature) exceeds its operating limits.

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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. Current Command 6: Write Polling Address Command 11: Read Unique Identifier Associated with Tag Command 12: Read Message Command 13: Read Tag, Descriptor, Date Command 14: Read Primary Variable Transducer Information Command 15: Read Primary Variable Output Information Command 16: Read Final Assembly Number Command 17: Write Message Command 18: Write Tag, Descriptor, Date Command 19: Write Final Assembly Number

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Command 0: Read Unique Identifiers

Byte Description Format Value

Request

Data Bytes

Response

Data Bytes

Command

Specific

Response

Codes

none

0 Data type expansion code Byte, hex $FE 1 Manufacturer identification code Byte, hex $13 2 Manufacturer’s Device Type code Byte, hex $03 3 Number of preambles Byte, hex $05 4 Universal command revision Byte, hex $05 5 Device revision Byte, hex $01 6 Software revision Byte, unsigned integer See table 1 below 7 Hardware revision Byte, unsigned integer See table 2 below 8 Device function flags Not Used $00 9 Device Identification number 3 Bytes, hex

Code Description

none

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Table 1. Device and Software Revision

Device Revision Software Revision Description

$01 Firmware Revision 1 $02 Firmware Revision 2

$01

$03 Firmware Revision 3 $04 Firmware Revision 4 $05 Firmware Revision 5 $06 Firmware Revision 6

Table 2. Hardware Revision

Hardware Revision Description

$08 Hardware Revision 1 $11 Hardware Revision 2

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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

Request

Data Bytes

Response

Data B

Command

tes

Specific

Response

Codes

none

0 Byte, hex Primary Variable Unit Code, either 39 (mA) or 57(%)

14 Float Primary Variable value

Code Class Description

none

Command 2: Read Primary Variable and Percent of Range

This command reads the value of the DVC2000’s loop current in implied units of “mA” (regardless of the configured setting by Command #44) and the measured Valve Travel in implied units of “%”.

Byte Format Description

Request

Data Bytes

Response

Data B

Command

tes

Specific

Response

Codes

none

03 Float Loop Current 47 Float Valve Travel

Code Class Description

none

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September 2017

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.

Byte Format Description

Request

Data Bytes

Response

Data Bytes

Command

Specific

Response

Codes

none

03 Float Loop Current (implied units of “mA”)

4 Byte, hex Primary Variable (PV) units code

58 Float Primary Variable (PV) value

9 Byte, hex Secondary Variable (SV) units code

1013 Float Secondary Variable (SV) value

14 Byte, hex Tertiary Variable (TV) units code

1518 Float Tertiary Variable (TV) value

19 Byte, hex Fourth Variable (FV or QV) units code

2023 Float Fourth Variable (FV or QV) value

Code Class Description

8 Warning – Value read invalid (one of the variables is out of range)

Command 14: Read Primary Variable Transducer Information

The transducer limits reported in this command indicate that these values are set to “Not Used”

Note

The Transducer Serial Number is not applicable to the DVC2000 and is set to “0”. The other parameters will be set to “0x7F”, “0xA0”, “0x00”, or “250” Not Used , when they are not applicable.

Byte Format Description Returned Value

Request

Data bytes

Response

Data

Bytes

Response

Codes

None

02 UINT24 Transducer Serial Number 000000

3 Enum Transducer Limits and Minimum Span Units Code 250 (Not Used)

47 Float Upper Transducer Limit 7FA00000 (Not A Number NAN)

811 Float Lower Transducer Limit 7FA00000 (Not A Number NAN)

1215 Float Minimum Span 7FA00000 (Not A Number NAN)

Code Class Description

None

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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. It reports the range supplied in Command 35.

For example, the lower range, for an increase to open valve, will be the current which will produce a 0% set point. However, for an increase to close valve, the lower range will be the loop current for a 100% set point.

The range values can be changed via Command 35.

The DVC2000 assumes 0% = 4mA and 100% = 20mA.

Byte Format Description Returned Value

Request

Data bytes

Response

Data

Bytes

Response

Codes

None

PV Alarm Selection Code (see Common Table 6, Alarm

0 Enum

1 Enum

2 Enum

3-6 Float AI Upper Range Value From CMD 35

7-10 Float AI Lower Range Value From CMD 35

1114 Float PV Damping Value (units of seconds) 0.0

15 Enum Write Protect Code (0=Disabled, 1=Enabled) 0 or 1

16 Enum Reserved. Must be set to “250”, Not Used. 250

Code Class Description

None

Selection Codes). The Alarm Selection Code indicates the action taken by the device under error conditions. For Actuators, the action taken by the positioner is indicated.

PV Transfer Function Code (see Common Table 3, Transfer Function Codes). The Transfer Function Code must return “0”, Linear, if transfer functions are not supported by the device.

AI Upper and Lower Range Values Units Code, as supplied in command 35.

250 (Not Used)

From CMD 35

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CommonPractice 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 Command 50: Read Dynamic Variable Assignments Command 54: Read Device Variable Information Command 108: Write Burst Mode Command Number Command 109: Burst Control Mode

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Command 33: Read Device Variables

This command is used to read the value of up to four selected Device Variables.

The Device Variables and the Variable Units Code are listed on page 6.

Note: If any one of the requested variable IDs is invalid, the INVALID_SELECTION error will be returned along with no data bytes.

Byte Format Description Allowable choices

0 Variable ID Variable assigned to slot #0 See Device Variables on page 6

Request

Data Bytes

Response

Data Bytes

Command

Specific

Response

Codes

1 Variable ID Variable assigned to slot #1 See Device Variables on page 6 2 Variable ID Variable assigned to slot #2 See Device Variables on page 6 3 Variable ID Variable assigned to slot #3 See Device Variables on page 6 0 Variable ID Variable assigned to slot #0 1 Byte, hex Slot #0 Variable units code

25 Float Slot #0 Variable value

6 Variable ID Variable assigned to slot #1 7 Byte, hex Slot #1 Variable units code

811 Float Slot #1 Variable value

12 Variable ID Variable assigned to slot #2 13 Byte, hex Slot #2 Variable units code

1417 Float Slot #2 Variable value

18 Variable ID Variable assigned to slot #3 19 Byte, hex Slot #3 Variable units code

2023 Float Slot #3 Variable value

Code Class Description

2 Invalid selection – Invalid Variable ID (see note above)

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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. The upper range must be greater than the lower range.

This command does not do units conversion, but requires that the units code supplied match the PV units configured in the device as set by Command 44.

If the range values are in percent, then they are assumed to be percent of 420 mA. For example, to range an increase to open unit from 8 mA to 16 mA, but using percent range numbers, specify lower_range = 25% and upper_range = 75%.

This ranging is done in conjunction with the zero power condition. For an Increase to Open valve, the lower range is the 0% setpoint level (valve plug in the valve seat), while the upper range is the 100% setpoint level. An Increase to Close valve is exactly opposite.

This command will be accepted when the DVC2000’s Instrument Mode is In Service but will be rejected if Write Protection is in effect.

Byte Format Description Allowable choices

Request

Data Bytes

Response

Data Bytes

Command

Specific

Response

Codes

0 UINT8 Upper and Lower Range Values Unit Code Unit Code 39 (mA) or 57(%) 1  4 Float Primary Variable Upper Range Value 5  8 Float Primary Variable Lower Range Value

Code Class Description

2 Invalid selection  Units code did not match configured units

7 In Write Protect Mode

16 Access Restricted  other master has access locked. 32 Busy

Command 38: Reset Configuration Change Flag

Resets the configuration changed flag in the DVC2000.

The DVC2000 contains two configuration changed bits, one for each master. Both bits are set when any write operation occurs. This command clears the bit corresponding to the master sending this command, leaving the other bit unmodified. Any write to the DVC2000 other than digital setpoint values and write protect status will cause the configuration change flag to be set.

Byte Format Description

Request

Data Bytes

Response

Data Bytes

Command

Specific

Response

Codes

none

Code Class Description

none

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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 realtime clock is not reset. All other data is read from nonvolatile memory and put into effect. The second option is hard reset. This requires two data bytes set as described below. If this form is received, the unit will save modes and counters, then execute a hard reset by exercising the watchdog timer. The next response will have the “cold_start” bit set.

A “soft reset” command will be honored while the DVC2000 Instrument Mode is in the “In Service” condition.

A “hard reset” command requires the DVC2000 Instrument Mode be in the “OutofService” condition.

Byte Format Description

Request

Data

bytes

Response

Data

Bytes

Command

specific

Response

Codes

0  1 Uint16

None

Code Class Description

16 Error Access Restricted

[Optional] If hex 0x6969 is supplied as request data bytes, a hard reset is performed. Otherwise a soft reset is performed.

Command 44: Change Primary Variable Units Code

This command is issued to change the units of the Primary Variable, which is defined in the DVC2000 as the Analog Input (loop current). The choices for units are Percent (code 57) or Milliamps (code 39). This command should be sent prior to a Command 35 which sets the upper and lower Primary Variable range values.

In addition to changing the units code, execution of this command will also change the DVC2000’s Analog Input Upper and Lower Range values to reflect the new units (For example: When the DVC2000’s Analog Input is configured as “420 mA” and Command 44 with request Data Byte 57 is executed, the DVC2000’s Analog Input units and range values will change to “0100%”. Likewise When the DVC2000’s Analog Input is configured as “0100%” and Command 44 with request Data Byte 39 is executed, the DVC2000’s Analog Input units and range values will change to “420 mA”.).

This command will be accepted when the DVC2000’s Instrument Mode is In Service, but will be rejected if Write Protection is in effect.

Byte Format Description Allowable choices

Request

Data Bytes

Response

Data Bytes

Command

Specific

Response

Codes

0 UINT8 Primary Variable Units Code Unit Code 39 (mA) or 57(%)

Code Class Description

2 Invalid selection  Units code did not match configured units

7 In Write Protect Mode

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Command 48: Read Additional Status

Byte Format Description

Request

Data

bytes

Response

Data

Bytes

0 None

0 Uint8 Command 48 Response Byte 0

1 Uint8 Command 48 Response Byte 1

2 Uint8 Command 48 Response Byte 2

3 Uint8 Command 48 Response Byte 3

4 Uint8 Command 48 Response Byte 4

5 Uint8 Command 48 Response Byte 5

6 Uint8 Reserved

7 Uint8 Reserved

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DVC2000 Digital Valve Controller

Additional Device Status

Command 48 returns 8 bytes of data, with the following status information:

Byte Bit Name of Status Bit Meaning

Active if there is a failure associated with flash ROM (read only

7 Flash Integrity Failure

Temperature Compensation

Data Integrity Error

5 Reference Voltage Failure

4 Drive Current Failure

3 Critical NVM Failure

2 Temperature Sensor Failure

1 Pressure Sensor Failure

0 Travel Sensor Failure

7 Alert Record Not Empty Alert 6 AutoTune in Progress 5 Calibration In Progress Alert 4 Diagnostics in Progress Alert

3 Pressure Fallback Active Alert

2 Custom Characterization

1 Input Characterization

0 Auto Cal in Progress Alert 7 Reserved 6 Reserved 5 Cycle Counter Alert

Travel Accumulator High

Alert

Instrument Time is Invalid

Alert

2 Alert Record Full Alert

1 Offline / Failed Alert 0 Reserved

"Reserved" bits are always set to 0.

1. Sets “Field Device Malfunction”.

2. Sets “More Status Available”.

1,2

memory). Active if the microprocessor detects a fault in the temperature

1,2

compensation data. Active if there is a failure associated with the internal voltage

1,2

reference. Active when the drive current to the I/P converter is not flowing as

1,2

expected. Active if there is a failure of nonvolatile memory used for

1,2

configuration data critical for instrument operation. Active when the instrument temperature sensor fails or the sensor

1,2

reading is outside of the range of 60° to 100°C (76° to 212°F). Active if the pressure sensor reading is outside the range of 24.0%

to 125.0% of the calibrated pressure for more than 60 seconds. Active if the sensed travel is outside the range of 25.0% to 125.0%

1,2

of calibrated travel.

Active when there are 1 or more alerts stored in the alert record.

Active if AutoTune Routine is in progress.

Active when calibration is in progress.

Active when a diagnostic test is in progress. Active when the instrument has detected a problem with the travel feedback and is now controlling the output like an I/P transducer. Custom Characterization in Effect active if the user-defined Custom Characterization is enabled. Input Characterization in Effect active if any of the user-defined Characterizations other than “Linear” is enabled.

Active when auto calibration is in progress.

Active if the Cycle Counter exceeds the Cycle Count Alert Point. Active if the Travel Accumulator exceeds the Travel Accumulator

Alert Point. Active if the instrument has been powered down since the last time the instrument clock was set. Active when the alert record contains the maximum number of 20

alerts.

Active if a shutdown alert has put the DVC2000 in a failed state.

(continued)

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Additional Device Status

Byte Bit Name of Status Bit Meaning

7 Reserved 6 Reserved 5 Reserved 4 Reserved

3 Reserved 2 Reserved

Integrator Saturated High

Alert Integrator Saturated Low

Alert 7 Travel Alert Lo 6 Travel Alert Lo Lo 5 Travel Alert Hi 4 Travel Alert Hi Hi

Active if the instrument integrator is saturated at the high extreme.

Active if the instrument integrator is saturated at the low extreme.

Active when the Travel is below the Travel Alert Lo Point.

Active when the Travel is below the Travel Alert Lo Lo Point.

Active when the Travel exceeds the Travel Alert Hi Point.

Active when the Travel exceeds the Travel Alert Hi Hi Point. Active if the difference between the Travel Target and the Travel

3 Travel Deviation Alert

exceeds the Travel Deviation Alert Point for more than the Travel

Deviation Time. 2 Travel Limit/Cutoff Hi Alert Active when the Travel exceeds the Hi Limit/Cutoff Point. 1 Travel Limit/Cutoff Lo Alert Active when the Travel falls below the Lo Limit/Cutoff Point.

Active when the Drive Signal exceeds target limits (<10% or 0 Drive Signal Alert

>90%) for more than 20 seconds when not in Cutoff condition. 7 Reserved 6 Reserved 5 Reserved 4 Reserved 3 Reserved 2 Option Module Error 1 Limit Switch 2 Status Set to “1” if Limit Switch 2 is enabled, powered, and closed. 0 Limit Switch 1 Status Set to “1” if Limit Switch 1 is enabled, powered, and closed. 7 Reserved 6 Reserved 5 Reserved 4 Reserved 3 Reserved 2 Reserved 1 Reserved 0 Reserved

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"Reserved" bits are always set to 0.

1. Sets “Field Device Malfunction”.

2. Sets “More Status Available”.

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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

Request

Data Bytes

Response

Data Bytes

Command

Specific

Response

Codes

None

0 UINT8 ID of variable returned as the first variable (PV) in Command #3 1 UINT8 ID of variable returned as the second variable (SV) in Command #3 2 UINT8 ID of variable returned as the third variable (TV) in Command #3 3 UINT8 ID of variable returned as the fourth variable (FV) in Command #3

Code Class Description

None

Command 54: Read Device Variable Information

Used to identify each of the Device Variables in the range of IDs 0…10 inclusive and 211. Responds with the Sensor Serial Number, Sensor range Units, Sensor ranges, Damping Value, and Minimum Span of the selected Variable. The Variable range values will be in the same units as the Variable Units.

Byte Format Description

Request Data

Bytes

Response

Data Bytes

Command

Specific

Response

Codes

0 Enum

0 UINT8 Device Variable ID

13

4 UINT8 Device variable units code

58 Float Device Variable Upper Range

912 Float Device Variable Lower Range

1316 Float

1720 Float Device Variable Minimum Span (NOT USED  always zero)

Code Class Description

2 Invalid Selection

Device Variable ID, this command is applicable to variables 010 or 211. All others will return invalid selection

Device Variable Sensor Serial Number, 24bit number (NOT USED  always zero)

Device Variable Damping Value, (NOT USED  always zero)

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Device-Specific Commands

The DVC2000 field device supports devicespecific commands. However, these devicespecific 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.

Catch Device Variable

This field device does not support Catch Device Variable.

Performance

Refer to the DVC2000 Instruction Manual (D103176X012) or Product Bulletin 62.1:DVC2000 (D103167X012) for details on DVC2000 performance.

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Annex A Compatibility Checklist

Manufacturer, Model, and Revision Fisher Controls DVC2000 Device Revision 1

Device Type Pneumatic Control Valve Positioner HART Protocol Revision 5 User switchable between HART 5 mode and

HART 7 mode? Device Description Available? Number and type of process connections None Number of host connections Input: Control signal to Loop ± terminals Number of Dynamic Variables 4 Mappable Dynamic Variables? No Number of Device Variables 8 Number of Supported Common Practice

Commands Burst Mode? Capture Device Variables? No Write Protection? Yes

Yes

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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. This independently gathered status information is relayed back to the Rosemount 1410 or 1420 Wireless Gateway and is made available to the user either through viewing the HTML interface or via mapping as “Published Data” parameters via the Gateway’s MODBUS or OPC outputs.

For HART 5 devices the PV, SV, TV, and QV variables can be mapped.

Configure the THUM as follows:

Navigate to Configure > Manual Setup Under the Wired Device tab select Configure HART Polling

Select Yes if changes are required

Wired Device tab

FOR PRIMARY DEVICE INFORMATION:

Select PV, SV, TV, and QV

FOR SECONDARY DEVICE INFORMATION:

Select Device Status

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The FIELDVUE instrument is defined on the Gateway by “Tag” (read from the device’s “Message” field).

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For each Tag, the Gateway provides updated values for:

D Variables

D Additional Status

D Published Data

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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

D SOFTWARE_REVISION

D DEVICE_ID

D UNIVERSAL_REVISION (HART version)

D REQUEST_PREAMBLES

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Variable information:

The Gateway receives updates concerning the DVC2000’s four “Dynamic Variables”. The information for any given device variable is displayed by:

1. Dynamic Variable indicator (“PV”, “SV”, etc.)

2. The Device Variable ID number assigned to that Dynamic Variable

Dynamic Variable Device Variable ID Device Variable Name(s)

Analog Input PV 0 LOOP_CURRENT

Travel Setpoint SV 9 TRAVEL_SP

Pressure TV 2 PRESSURE

Travel QV 3 TRAVEL

Milliamp Current 245 CURRENT

Either of these choices (Dynamic Variable or Device Variable ID) can be substituted for the “#” sign in the Variable Identifier fields below.

Variable Identifier Comments / Explanation

# See any of the variable identifiers in the table immediately above.

#_CLASS Always “0”.

#_CODE The “Device Variable ID” number in the table immediately above.

#_HEALTHY A “true” or “false” indication of the health of the sensor providing this value.

#_STATUS

#_UNITS Decimal “Variable Units code” number from the “Units Codes” table on page 6.

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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

D MORE_STATUS_AVAILABLE

D LOOP_CURRENT_FIXED

D LOOP_CURRENT_SATURATED

D NONPRIMARY_VALUE_OUT_OF_LIMITS

D PRIMARY_VALUE_OUT_OF_LIMITS

Detailed Device Alerts:

The Alert Groupings are:

D ADDITIONAL_STATUS_0

D ADDITIONAL_STATUS_1

D ADDITIONAL_STATUS_2

D ADDITIONAL_STATUS_3

D ADDITIONAL_STATUS_4

D ADDITIONAL_STATUS_5

D ADDITIONAL_STATUS_6

D ADDITIONAL_STATUS_7

Each of these status bytes represent eight individual bits with values that range from “00” to “255”. To determine which of the eight bits are active requires converting a decimal value to its binary equivalent value. Refer to Command 48 on page 17 for details on the individual alert bits inside of each Additional Status Byte.

ADDITIONAL_STATUS_0 According to Command 48: As defined in the Gateway:

Bit 7 Flash Integrity Failure FLASH_ROM_FAIL

Bit 6

Bit 5 Reference Voltage Failure REFERENCE_VOLTAGE_FAIL Bit 4 Drive Current Failure DRIVE_CURRENT_FAIL Bit 3 Critical NVM Failure NVM_FAIL Bit 2 Temperature Sensor Failure TEMPERATURE_SENSOR_FAIL Bit 1 Pressure Sensor Failure PRESSURE_SENSOR_FAIL Bit 0 Travel Sensor Failure TRAVEL_SENSOR_FAIL

Temperature Compensation Data

Integrity Error

TEMPERATURE_COMPENSATION_FAIL

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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 DIAGNOSTIC_IN_PROGRESS Bit 3 Pressure Fallback Active Alert PRESSURE_CONTROL_IS_ACTIVE Bit 2 Reserved Bit 1 Reserved Bit 0 Auto Cal in Progress Alert AUTO_TRAVEL_CALIBRATION_IN_PROGRESS

ADDITIONAL_STATUS_2 According to Command 48: As defined in the Gateway:

Bit 7 Reserved Bit 6 Reserved Bit 5 Cycle Counter Alert CYCLE_COUNT_ALERT Bit 4 Travel Accumulator High Alert TRAVEL_ACCUMULATOR_ALERT Bit 3 Instrument Time is Invalid Alert INSTRUMENT_TIME_IS_INVALID Bit 2 Alert Record Full Alert ALERT_RECORD_IS_FULL Bit 1 Offline / Failed Alert OFFLINE_FAILED_ALERT Bit 0 Reserved

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ADDITIONAL_STATUS_3 According to Command 48: As defined in the Gateway:

Bit 7 Reserved Bit 6 Reserved Bit 5 Reserved Bit 4 Reserved Bit 3 Reserved Bit 2 Reserved Bit 1 Integrator Saturated High Alert INTEGRATOR_SATURATED_HIGH Bit 0 Integrator Saturated Low Alert INTEGRATOR_SATURATED_LOW

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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 Travel Deviation Alert TRAVEL_DEVIATION_ALERT

Bit 2 Travel Limit/Cutoff Hi Alert

Bit 1 Travel Limit/Cutoff Lo Alert

TRAVEL_LIMIT_HI_OR_

TRAVEL_CUTOFF_HI_IN_EFFECT

TRAVEL_LIMIT_LOW_OR_

TRAVEL_CUTOFF_LOW_IN_EFFECT

Bit 0 Drive Signal Alert DRIVE_SIGNAL_ALERT

ADDITIONAL_STATUS_5 According to Command 48: As defined in the Gateway:

Bit 7 Reserved Bit 6 Reserved Bit 5 Reserved Bit 4 Reserved Bit 3 Reserved Bit 2 Option Module Error LIMIT_SWITCH_ERROR Bit 1 Limit Switch 2 Status LIMIT_SWITCH_2_CLOSED Bit 0 Limit Switch 1 Status LIMIT_SWITCH_1_CLOSED

ADDITIONAL_STATUS_6 According to Command 48: As defined in the Gateway:

Bit 7 Reserved Bit 6 Reserved Bit 5 Reserved Bit 4 Reserved Bit 3 Reserved Bit 2 Reserved Bit 1 Reserved Bit 0 Reserved

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ADDITIONAL_STATUS_7 According to Command 48: As defined in the Gateway:

Bit 7 Reserved Bit 6 Reserved Bit 5 Reserved Bit 4 Reserved Bit 3 Reserved Bit 2 Reserved Bit 1 Reserved Bit 0 Reserved

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Fisher, FIELDVUE, and Rosemount are marks owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson Automation Solutions, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. HART and WirelessHART are registered trademarks of FieldComm Group. All other marks are the property of their respective owners.

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