Fisher FIELDVUE DVC2000 Instruction Manual Supplement

Instruction Manual Supplement
D103783X012
DVC2000 Digital Valve Controller
September 2017
10
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
none
Response
Data B
y
tes
0 Byte, hex Primary Variable Unit Code, either 39 (mA) or 57(%)
14 Float Primary Variable value
Code Class Description
Command
Specific
Response
Codes
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
none
Response
Data B
y
tes
03 Float Loop Current
47 Float Valve Travel
Code Class Description
Command
Specific
Response
Codes
none

Fisher FIELDVUE DVC2000 Specifications

General

Manufacturer	Fisher
Category	Controller
Device Type	Digital Valve Controller
Communication Protocol	HART
Input Signal	4-20 mA
Enclosure Rating	NEMA 4X, IP66
Operating Temperature	-40 to 85°C (-40 to 185°F)
Material	Aluminum
Power Supply	Loop Powered
Diagnostics	Advanced diagnostics
Output Signal	4-20 mA
Certifications	ATEX, IECEx, CSA, FM
Mounting	Integral mounting to actuator