Lydall AFFINITY P Series - Page 23

PLC Input Table
Input Type Description Status OFF Status ON
0 Not Used N/A N/A N/A
1 Overload Pump overload Pump Overload Pump Normal
2 Level Switch Refrigerant Low Level Normal Low Level
3 Not Used N/A N/A N/A
4 Pressure
Switch
Low Suction Pressure Normal Alarm
5 Pressure
Switch
High Discharge
Pressure
Normal Alarm
6 Flow Switch Process Low Flow Normal Alarm
7 Temperature
Alarm
Alarm 2 Heater Control Heater Off Heater On
8 Level Switch Reservoir Level Switch Alarm Normal
9 Pressure
Switch
High Pressure Warning Alarm Normal
10 Spare Input N/A N/A N/A
11 Temperature
Alarm
Alarm 1 Alarm No Alarm
12 Temperature
Alarm
Heater Temperature Alarm Normal
13 Level Switch Low Level Shutdown Alarm Normal
14 Spare Input N/A N/A N/A
15 Relay
Contact
Compressor Current
Sensor
No Compressor
Current
Normal
16 Contact Low Voltage/Phase
Reversal
Low Voltage/
Phase Reversal
Normal
17 Run
Relay/Contac
t Switch
ON/OFF Relay Chiller OFF Chiller ON
18 Spare Input N/A N/A N/A
19 Spare Input N/A N/A N/A
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