Modbus 485 and Modbus IP Protocols - UPS Systems
Liebert® IntelliSlot® Modbus/BACnet IP 174
Inverter
Inverter Overload Time Remaining 30510 1 Units : sec
Uint16
Inverter Output Qualification Status 30511 1
0 = Fail
1 = Marginal Low
2 = Normal
3 = Marginal High
Inverter On/Off State 30512 1 0 = off
1 = on
Environment
Inlet Air Temperature 30523 1 Units : deg C
Int16
Inlet Air Temperature 30524 1 Units : deg F
Int16
Total System Operating Time 30525 2 Units : hr
Uint32
System Date and Time 30527 40527 2 Secs since Epoch(UTC)
System Date and Time 39998 49998 2 Secs since Epoch(UTC)
Rectifier
Rectifier Pulse Count 3 0539 1
0 = 6 Pulse
1 = 12 Pulse
2 = 18 Pulse
3 = 24 Pulse
Rectifier Input Passive Filter 30540 1 0 = Not Installed
1 = Installed
Rectifier Passive Filter Switch 30541 1 0 = Not Installed
1 = Installed
Rectifier Active Filter 30542 1 0 = Not Installed
1 = Installed
Rectifier Status 30543 1 0 = off
1 = on
System
UPS Module Type 30554 1
0 = Single Module System
1 = Module (1 + 1)
2 = Module (1 + N)
3 = Module (N + 1)
4 = System Control Cabinet
5 = Main Static Switch
Bypass Input Wire Configuration 3 0555 1
0 = Two Wire (single phase +
return)
1 = Two Wire (2 phase, no
neutral)
2 = Three Wire (2 phase +
neutral)
3 = Three Wire (3 phase, no
neutral)
4 = Four Wire (3 phases +
neutral)
Table 59 Liebert NXL™ - 50Hz, CE version (Models 48 and 49) - Input and Holding
Data Label Input Holding # of Reg Scale Notes/Units