Modbus 485 and Modbus IP Protocols - Thermal Management Products
Liebert® IntelliSlot® Modbus/BACnet IP 72
XD System 19 Secondary Fans
Fan State 31662 1
0 = off
1 = on
2 = economy
Fan Economy Mode 31663 41663 1
0 = disabled
1 = automatic
2 = manual
XD System 20 Temperature Sensor 1
Remote Sensor Temperature 31669 1 10 Units : deg C
Remote Sensor Temperature 31670 1 10 Units : deg F
XD System 20 Temperature Sensor 2
Remote Sensor Temperature 31676 1 10 Units : deg C
Remote Sensor Temperature 31677 1 10 Units : deg F
XD System 20 Temperature Sensor 4
Remote Sensor Temperature 31690 1 10 Units : deg C
Remote Sensor Temperature 31691 1 10 Units : deg F
XD System 20 Secondary Fans
Fan State 31697 1
0 = off
1 = on
2 = economy
Fan Economy Mode 31698 41698 1
0 = disabled
1 = automatic
2 = manual
Table 22 Liebert XDP - Glossary
Data Label Data Description
Auto Restart Delay If power is lost, the control will delay this amount of time after power is restored
before restarting the unit.
Calculated Next Maintenance Month Calculated month of the next scheduled maintenance. Used in conjunction with
[Calculated Next Maintenance Year].
Calculated Next Maintenance Year Calculated year of the next scheduled maintenance. Used in conjunction with
[Calculated Next Maintenance Month].
Chilled Water Control Valve Failure Chilled water valve out of position. Chilled water control valve position does not
match expected value.
Chilled Water Valve Open Position Chilled water valve open position.
Cold Aisle Over Temp Threshold Upper threshold value used in the [Cold Aisle Temp Out of Range] event.
Cold Aisle Temp Out of Range The air temperature in the cold aisle is either above [Cold Aisle Over Temp
Threshold] or below [Cold Aisle Under Temp Threshold].
Cold Aisle Under Temp Threshold Lower threshold value used in the [Cold Aisle Temp Out of Range] event.
Communication Status Communication status of remote device.
Cooling Capacity Cooling capacity in use, expressed as a percentage of the maximum rated capacity.
Cooling Capacity Cooling capacity in use, expressed in kilowatts.
Customer Input 1 Customer in put 1.
Dew Point Temperature Dew point temperature, using the highest reading from all sensors.
Ext Air Over Temp Threshold Thresho ld value used in the ([Ext Air Sensor A Over Temperature], [Ext Air Sensor B
Over Temperature]...) events.
Ext Air Sensor A Dew Point Temp Dew point temper ature as measured by external air sensor A.
Ext Air Sensor A Humidity Relative humidity as measur ed by external air sensor A.
Ext Air Sensor A Issue The external air sensor A is disconnected or the signal is out of range.
Ext Air Sensor A Over Temperature [Ext Air Sensor A Temperature] has exceeded [Ext Air Over Temp Threshold].
Ext Air Sensor A Temperature Air temperature as measured by external air sensor A.
Table 21 Liebert XDP - Input and Holding (continued)
Data Label Input Holding # of Reg Scale Notes/Units