Instruction Manual

Instruction Manual Supplement
D103639X012
DVC6200 Digital Valve Controller
August 2014
6
Dynamic Variables
Four Dynamic Variables are implemented.
Default Meaning Units
PV Analog Input mA, %
SV* Travel Setpoint %
TV* Pressure PSI, BAR, KPA, Kg/cm
2
FV* Travel %
* User selectable
The SV, TV, and FV variables are user selectable via Command 51 to any of the following variables. Variable selections
are listed below:
Variable Units
Travel %
Travel Setpoint %
Pressure Port A PSI, BAR, KPA, Kg/cm
2
Pressure Port B PSI, BAR, KPA, Kg/cm
2
Pressure A – B PSI, BAR, KPA, Kg/cm
2
Supply Pressure PSI, BAR, KPA, Kg/cm
2
Drive Signal %
Analog Input mA, %
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 9, 33, and 54.
Variable ID Meaning Units
0 Analog Input mA, %
1 Internal Temperature _C, _F
2 Pressure Port A PSI, BAR, KPA, Kg/cm
2
3 Travel %
4 Drive Signal %
5 Pressure Port B PSI, BAR, KPA, Kg/cm
2
6 Travel Setpoint %
7 Differential Pressure (Port A – Port B) PSI, BAR, KPA, Kg/cm
2
8 Supply Pressure PSI, BAR, KPA, Kg/cm
2
9 Implied Valve Position %
10 Primary Feedback (user selected, either Travel or Pressure) %
11 Friction* As defined in ValveLink software
12 Deadband* As defined in ValveLink software
* Only available with PD diagnostic level