Valve controller – High Country Tek DRC Series User Manual

Page 11

021-DRC Rev A

DRC User Manual

– 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

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

module’s power supply voltage. It 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.