Modbus register assignment of the ISOMETER®
54
isoPV425_D00028_09_M_XXEN/05.2018
8.2 Channel descriptions
13 Reserved
When reading, always 0
When writing, any value
14 Reserved
When reading, always 0
When writing, any value
15 Reserved
When reading, always 0
When writing, any value
Value
Measured value
description/alarm
message operating
message
Note
0
1 (0x01) Insulation fault
71 (0x47) Insulation fault Insulation resistance R
F
in Ω
76 (0x4C) Voltage Measured value in V
77 (0x4D) Undervoltage
78 (0x4E) Overvoltage
82 (0x52) Capacitance Measured value in F
86 (0x56) Insulation fault Impedance Z
i
101 (0x65) Connection to system
102 (0x66) Connection to earth
115 (0x73) Device error Fault ISOMETER®
129 (0x81) Device error
145 (0x91) Own address
Bit Display indication Description
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