High Country Tek DRF Series - Manual (Page 10)

021-DRF Rev A DRF User Manual 10
Copyright © High Country Tek, Inc. – 2013
DRF
Closed-loop Valve Controller
Parameter List
The following table outlines the DRF parameters as well as the limits and units of measure for each parameter.
Parameter Limits Units
DRFx-xxx Version #
C1 Mode See Mode Description Mode #
C1 Proportional gain 0.0 to 100 %
C1 Integral gain 0.0 to 100 %
C1 Derivative gain 0.0 to 100 %
C1 PID loop time 1 to 30 Cycles
C1 Deadband 0.0 to 2.0 V (mA)
Previous 5 parameters repeated for channel 3
2
C1 Min input -10 to +10.0; 4 to 20.0 V (mA)
C1 Max input -10 to +10.0; 4 to 20.0 V (mA)
C1 Min output 0 to 600
1
mA
C1 Max output 0 to 600
1
mA
C1 Ramp up 0.0 to 120.0 Seconds
C1 Ramp down 0.0 to 120.0 Seconds
Previous 6 parameters repeated for all channels
2
Dither frequency 30 to 1000 Hz.
C1 Command input V (mA)
C1 Output current mA
Previous 2 parameters repeated for all channels
2
Supply voltage Volts
Fault status Fault
1
0 to 1.2 A for –12A version, 0 to 2.5 A for –25A version
2
Parameters starting with C1 are repeated for each channel and are displayed as C2 to C4