153 Exhaust Throttle Valve Pin-outs

J2 Power Connector
Pin Description
1 +15 to +30 VDC Power Supply Input
(also connects to J1 Pin #12)
2 Power Supply Common
(also connects to J1 Pin #11)
3 -15 VDC (external supply to transducer)
(also connects to J1 Pin #21)
4 Pressure Signal Common
(also connects to J1 Pin #13)
5 Pressure Signal Input
(also connects to J1 Pin #20)
6 Limit-switch Common
(also connects to J1 Pin #24)
7 Open Limit-switch Output
(also connects to J1 Pin #22)
8 Close Limit-switch Output
(also connects to J1 Pin #23)
9 Chassis Ground
(also connects to J1 Pin #1 & 25)
J1 Input Connector
Pin Description
1 Chassis Ground
(also connects to J2 Pin #9)
2 Tx (RS-232)
3 RxD (RS-232)
4 Pressure Output
5 Pressure/Valve Position Return
6 Valve Position Output
7 Digital Common
8 +5 VDC Output (powers portable terminal)
9 Set Point Input (Hi side)
10 Set Point Return (Lo side)
11 Power Supply Common
(also connects to J2 Pin #2)
12 +15/30 V Power Supply Input
(also connects to J2 Pin #1)
13 Pressure Signal Common (Lo)
(also connects to J2 Pin #4)
14 No Connection
15 Control Type (Pressure/Position) Override
Pull LOW to override dipswitch 8;
Float HIGH for no override (default)
16 No Connection
17 Pressure/Valve Position Return
18 Manual Close Command Line
19 Manual Open Command Line
20 Pressure Signal Input (Hi side)
(also connects to J2 Pin #5)
21 -15 VDC (External supply to transducer)
(also connects to J2 Pin #3)
22 Open Limit-switch Output
(also connects to J2 Pin #7)
23 Close Limit-switch Output
(also connects to J2 Pin #8)
24 Limit-switch Common
(also connects to J2 Pin #6)
25 Chassis Ground
(also connects to J2 Pin #9)

This information is subject to change without notice.

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