ESIE10-01 Controller Inputs and Outputs
Part 3 – Troubleshooting 3–65
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4
5
1
2.9 Expansion I/O Unit Alarm & Limiting (POL965.00/MCQ)
Analog inputs
Analog outputs
Digital inputs
Digital outputs
# Description Signal Source Range
X3 Demand Limit 4-20 mA 1 to 23 mA
X4 Unit Current 4-20 mA 1 to 23 mA
# Description Output Signal Range
Not Needed
# Description Signal Off Signal On
X1 External Alarm/Event External Device Failure External Device OK
X2 Current Limit Enable No Limiting Limiting
X5 Circuit Switch #1 Circuit Off Circuit On
X6 Circuit Switch #2 Circuit Off Circuit On
X7 Circuit Switch #3 Circuit Off Circuit On
X8 Circuit Switch #4 Circuit Off Circuit On
# Description Output Off Output On
DO1 Evaporator Water Pump #2 Pump Off Pump On
DO2 Open
DO3 Circuit #1 Alarm No Alarm Alarm
DO4 Circuit #2 Alarm No Alarm Alarm
DO5 Circuit #3 Alarm No Alarm Alarm
DO6 Circuit #4 Alarm No Alarm Alarm
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