Manual
021-DRC Rev A DRC User Manual 11
Copyright © High Country Tek, Inc. 2013
DRC Valve Controller
DRCx-xxx - The title parameter is fixed. It displays the model number and the firmware version.
Cx MODE - Three modes of operation.
Mode
Enable
Channels and description
1 IN1 NO ENBL
1, 2, 3, 4, use its own input.
2 IN1 USE ENBL
x
1, 2, 3, 4, use its own input.
3 IN1 FOLLOWER
2 (use input from C1), 4 (use input from C3)
E.g., to drive two-coil directional proportional valve(s), set C1 & C3 to mode 1 or mode 2, Set C2 & C4 to
mode 3. Do not overlap the input ranges.
Cx MIN INPUT - Sets the minimum command input. The input can be inverted. The value in the brackets is the
present command input. This parameter is a combination variable/monitor type.
Cx MAX INPUT - Sets the maximum command input. The input can be inverted. The value in the brackets is the
present command input. This parameter is a combination variable/monitor type.
Cx MIN OUTPUT - Sets the minimum output current (milliamps for -06A, amps for -12A,-25A). It cannot be
inverted. The value in the brackets is the present output current. This parameter is a combination
variable/monitor type.
Cx MAX OUTPUT - Sets the maximum output current (milliamps for -06A, amps for -12A,-25A). The value in the
brackets is the present output current. This parameter is a combination variable/monitor type.
Cx RAMP UP/DOWN - Sets the time for output current to ramp Up or Down through the full input range. These
parameters are variable.
DITHER FREQ. Options: 30, 50, 75, 100, 125, 150, 175, 200, 225, 250, 275, 300, and 1000 Hz. Set the PWM or
dither frequency according to the valve specifications. This parameter is variable.
Cx COMMAND INPUT - Displays the present input. This parameter is a monitor type.
Cx OUTPUT CURRENT - Displays the present output current. This parameter is a monitor type.
SUPPLY VOLTAGE - Displays the is helpful for troubleshooting. This parameter
is a monitor type.
FAULT STATUS - The STATUS LED will flash red 2 times for Coil Open and 3 times for Coil Short.