High Country Tek DRC Series - Manual (Page 16)

021-DRC Rev A DRC User Manual 16
Copyright © High Country Tek, Inc. – 2013
DRC
Valve Controller
Application Examples
Open Loop Single Solenoid Control (DRC1-Vxx)
The DRC can drive a single solenoid with a joystick or
potentiometer of
10kΩ.
Mode 1 is used when the enable switch is not used.
Mode 2 is used when the enable switch is used.
The command input can be inverted.
Set the dither and output settings according to the valve
specifications.
Example Settings
Parameter Value
C1 Mode 2 IN1 USE ENBL
C1 Min input 0.2 V
C1 Max input 10.0 V
C1 Min output 5 mA
C1 Max output 600 mA
C1 Ramp up 1 S
C1 Ramp down 1 S
Dither frequency 150 Hz.
Schematic
FUSE
+V Power Input
9 - 32VDC
+V = Enabled
PWR J1-1
DRC1
Electronic Valve
Controller
Enable J1-3
GND J1-2
-10V Ref. Out J4-1
+10VDC @ 20mA
0-10VDC
+10V Ref. Out J4-3
Ch. 1 I/P J5-1
Sig GND J4-2
J5-2
V
D
C
I/
P
m
A
I/
P
Supply Voltage
4-20mA
Ch. 2 I/P J5-3
Prop. PWM (Sourcing)
Sig GND J2-2
Ch. 2 Out J2-3
Ch. 1 Out J2-1
Input / Output Diagram
Command
Input
0.2V 10V
5mA
600mA
Output Current