31
isoGEN523_D00320_04_M_XXEN/06.2018
8. Modbus register assignment of the ISOMETER®
Depending on the device condition, the information in the registers is the meas-
ured value without alarm; the measured value with alarm 1; the measured value
with alarm 2; or only the device error.
( ) = Channel description code (refer to
); [ ] = Alarm type (refer to
)
Register
Measured value
Device error
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 error]
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 error]
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
---
---
---
---
1032
to
1035
Measured value
update counter
--- (1022)
[no alarm]
---
---
---
Device error
(115)
[device error]
