Bit
Display indication
13
Reserved
14
Reserved
15
Reserved
8.2 Channel descriptions
Value
0
1 (0x01)
71 (0x47)
76 (0x4C)
77 (0x4D)
78 (0x4E)
82 (0x52)
86 (0x56)
101 (0x65)
102 (0x66)
115 (0x73)
129 (0x81)
145 (0x91)
54
Measured value
description/alarm
message operating
message
Insulation fault
Insulation fault
Voltage
Undervoltage
Overvoltage
Capacitance
Insulation fault
Connection system
Connection earth
Device error
Device error
Own address
Modbus register assignment of the ISOMETER®
When reading, always 0
When writing, any value
When reading, always 0
When writing, any value
When reading, always 0
When writing, any value
Insulation resistance R
Measured value in V
Measured value in F
Impedance Z
Fault ISOMETER®
isoEV425_D00126_09_M_XXEN/03.2019
Description
Note
i
in Ω
F
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