250E Gas Inlet Pressure/Flow Control Module Pin-outs

Valve Connector
Pin Description
1* Voltage High
2* Voltage Low (Chassis)
3 Chassis Ground
4 No Connection
5 No Connection
6** Current High
7** Current Low
8 No Connection
9 Chassis Ground
* For Piezoelectric type valves
** For Solenoid type valves
Input Connector
Pin Description
1 (+) Pressure Input
2 Reserved
3 D.C. signal Output (0 to 10 VDC)
Duplicate of transducer signal
4 Signal Return (Analog Ground)
5 Reserved
6 Reserved
7 Reserved
8 (-) Input (Connect to Analog Ground (Pin 12) at input source)
9 Reserved
10 Reserved
11 ±15 V Output
12 Power Supply Ground (Analog Ground)
13 -15 V Output
14 Chassis
Interface Connector
Pin Description
1 (+) Set Point
2 Reserved
3 Digital Ground (Common for Manual and Close)
4 Manual (Connect to Pin 3 to put in Manual)
5 Close (Connect to Pin 3 to put in Close)
6* Controller Output (0 to 10 Volts - used for pump speed control)
7 Reserved
8 (-) Set Point (Connect to analog ground (Pin 12) at input source)
9* Pressure Control Signal (PCS) (10 V Full Scale)
10* D.C. Signal (0 to 10 Volts) Duplicate of transducer signal
11 +15 V Output
12 Power Supply Ground (Analog Ground)
13 -15 V Output
14 Chassis
* Items are on standard and DVM models

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