Emerson NX manual Available Selectable Input Contacts, Available Selectable Output Contacts

Options

3.4.1Available Selectable Input Contacts

•On Gen

•Fast Power Off

•MBB Aux Contacts

•Start battery test (see Note 4 below)

•Fault acknowledge

•Bypass and Inverter both Off

•Stop battery test (see Note 4 below)

Notes

1.Each signal can be inverted

2.Each signal can have a turn-on delay applied from 0-60 seconds

3.Each signal can have a turn-off delay applied from 0-60 seconds

4.To guarantee that the command is accepted, keep the function active at least 10/15 seconds.

3.4.2Available Selectable Output Contacts

• Summary Alarm (fault/warning)		• Inverter Not On
•	Residual Battery Autonomy is Expiring	•	Rectifier or Bypass Mains Failure
•	Inverter On	•	Load Supplied by battery
•	Bypass Active (AS400-like)	•	Maintenance Bypass Switch Closed
• Inverter Operation, Self Clocked		• Shutdown Command Pending
• Summary Fault		• Inverter Stopped Due to Fault
•	Bypass Stopped Due to Fault	•	Rectifier Fault
• Summary Warning		• Inverter Over Temperature warning
• Imminent Shutdown		• Battery Undervoltage
•	Inverter Overload	•	Rectifier or Bypass Mains Failure
•	Rectifier Mains Failure	•	Bypass Mains Failure
• Battery Overtemperature		• SGS on (Standby Generator Set)
• Battery Prewarning Level		• Battery Capacity @ 25%
• Load @ 25%		• Battery Capacity @ 50%
• Load @ 50%		• Battery Capacity @ 75%
• Load @ 75%		• Battery Capacity @ 100%
• Load @ 100%		• Line Fault
• Load @ 105%		• Summary Alarm OR Line Fault
• Power Loss Prewarning		• Power Loss Alarm
•	Backfeed Fault

Notes

1.Each signal can be inverted

2.Each signal can have a turn-on delay applied from 0 to 60 seconds

3.Each signal can have a turn-off delay applied from 0 to 60 seconds

29 Liebert®NX™