Chapter Two: Installation
Electrical Information
27
Interface Connector
The 15-pin Type “D” male Interface connector, located on the front of the unit, provides access
to the power and signal input pins.
Interface Connector Pinout
Pin Number
Assignment
1
Valve Test Point
2
+ Voltage or Current Input
3
CLOSE Input*
4
OPEN
Input*
5
Power Common (±15 VDC Input)
6
Power Common (+24 VDC Input)
or
-15 VDC for the ±15 VDC supply
7
24 VDC for +24 VDC supply
or
+15 VDC for the ±15 VDC supply
8
No Connection
9
No Connection
10
No Connection
11
No Connection
12
- Voltage or Current Input
13
No Connection
14
+5 VDC Input for TTL Open or Close compatible
logic*
15
Chassis
* The valve position refers to the a normally closed valve. The action
will be reversed on a normally open valve.
Table 6: Interface Connector Pinout
Note
The “No Connection” pin assignment refers to a pin with no internal
connection.