UPS System: HIPULSE E
Communication System Manual
Description of Protocol (Modbus/Jbus Interface)
Page 5-16
(04/07)
MSS status:
bit 0 MSS status (Inverter side) 0 = Inverter OFF 1 = Inverter ON
bit 1 MSS status (Mains side) 0 = Mains OFF 1 = Mains ON
bit 2 to 15 not in use
Note
Measurements with Rotating values
Alarm type
0x0 = Alarm ceased
0x1 = Alarm started
0x2 = LRC error in alarm buffer
0x3 = Alarm empty
Nota
Alarm correspondence
Refer to the notes on ‘Alarm Status’ for information on correspondence of bits in the Word with alarms.
Note
Measurements
Refer to the notes on ‘Measurement Status’ for information on notes regarding measurements in the Alarm History
buffer.
Note
Measurements not present on the MSS
In certain cases, measurements of given quantities have no significance when running on MSS, but are significant when
running on UPS. In this case, if the RTU Jbus/Master Modbus requests these measurements the value returned will be
0xFFFF.
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