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Series 900 Single & Dual Instruction Manual
Page 10
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APPENDIX C
Back Panel Connector
Pin Assignments; 26-Pin
I/O Connector
(View of connector from back of enclosure)
PIN NO. FUNCTION PIN NO. FUNCTION
A Channel 1, 0-5 Volt 1 Common
Linear Output
2 Common
B Channel 2, 0-5 Volt
Linear Output 3 Common
C Channel 1, Automatic 4 Common
Setpoint Input
D Channel 2, Automatic 5 Channel 1 Valve Test
Setpoint Input Point
E Channel 1, 4-20 mA 6 Channel 2 Valve Test
Linear Output Point
F Channel 2, 4-20 mA Linear 7 –15 Power Supply
Output
8 –15 Power Supply
G +15 VDC Power Supply
9 Channel 1 Valve Off
H +15 VDC Power Supply Input
I Common 10 Channel 2 Valve Off
Input
J Common
11 Channel 2 Totalizer
K Channel 1 Totalizer (pulse train output)
(pulse train output)
12 Channel 1 Low Alarm
L Channel 1 High Alarm Output
Output (open collector)
13 Channel 2 Low Alarm
M Channel 2 High Alarm Output
Output
ABCDE FGH I JKLM
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