Vertiv NetSure M832DNA, User Manual, Page: 109 / 176

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| NetSure Monitor Unit User Manual (UM1M832DNA) | Rev. C 109
Modbus Protocol
In the Spec. No. 582140600 BDFB, Modbus is available over Ethernet. You can set Modbus protocol
parameters. See also
Table 7 .
Figure 76:
Modbus Protocol
•
Protocol Media: Select RS-232, Modem, or IPV4 per site requirements.
•
Port Parameter: Enter the port parameters per site requirements.
•
Self Address: Enter the parameter per site requirements.
Table 7:
Modbus Table
Data Definitions
ERROR TYPE The updata mode of float value.
Function Code Error 0x01 Mode 0: int (float value)+Basic value
Register Error 0x02 Mode 1: int (float value*10)+Basic value
Set Register Fail 0x04 Mode 2: int (float value*100)+Basic value
Frame Error 0xF3 Mode 3: int (float value*1000)+Basic value
If the value is more than 65535 or less than 0, the value
cannot be updated correctly. So if you want to update
it, the register table should be modified to suit that.
Alarm Bit 0: Normal 1 : Alarm
Alarm Level 00: None 01: Observe 10: Major 11:Critical
Current in Amps
Voltage in Volts
Power in kW
Energy in kWh