34
isoHV525_D00297_04_M_XXEN/05.2018
8. ISOMETER® Modbus register assignment
Depending on the device state, the information in the registers is either the measured
value without alarm; the measured value with alarm 1; the measured value with alarm
2; or only the device fault.
( ) = Channel description code (see
); [ ] = Alarm type (see
Register
Measured value
Device fault
Without alarm
Alarm 1
Alarm 2
1000
to
1003
R
F
Insulation fault (71)
[no alarm]
R
F
Insulation fault (1)
[prewarning]
R
F
Insulation fault (1)
[alarm]
---
Connection
earth (102)
[device fault]
1004
to
1007
---
---
---
---
1008
to
1011
U
n
Voltage (76)
[no alarm]
U
n
Undervoltage
(77) [alarm]
U
n
Overvoltage
(78) [alarm]
---
Connection to
system (101)
[device fault]
1012
to
1015
C
e
Capacitance (82)
[no alarm]
---
---
---
1016
to
1019
U
L1e
Voltage (76)
[no alarm]
---
---
---
1020
to
1023
U
L2e
Voltage (76)
[no alarm]
---
---
---
1024
to
1027
Fault location in %
--- (1022)
[no alarm]
---
---
---
1028
to
1031
R
UGe
Insulation fault (71)
[no alarm]
---
---
---
1032
to
1035
Measured value
update counter
--- (1022)
[no alarm]
---
---
---
Device error
(115)
[device fault]
Summary of Contents for ISOMETER isoHV525
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