Module 96-PA-RCM / 96-PA-RCM-EL
www.janitza.de
26
INFORMATION
Further Modbus addresses can be found in the
Modbus address list for the device (download at
www.janitza.de).
6.2 Activate cable break detection (failure
monitoring) RCM for I5 and I6
The basic device with module has a “Cable break
detection” feature (failure monitoring). With this
feature, the basic device with module monitors
the connection to the residual current transform-
ers on the measuring inputs I5 and I6 (module
mode
Residual current - see chap. 9.2 on page
).
The cable break detection for I5 and I6:
·Can be activated via
Modbus addresses
or in
the
GridVis
®
software.
·Is
only available in the AC mode
.
Modbus addresses for activating the cable break
detection (failure monitoring):
Modbus
addr.
Measur-
ing input Value/function
20051
I5
0 = Failure monitoring inactive
1 = Failure monitoring active
20052
I6
You can check whether the cable break detection
is activated in the user interface of your basic
device with module under
Menu > Configuration >
Measurement >
item
Residual current
.
If there is an interruption in the connection to the
current transformers, the following Modbus ad-
dresses of the respective measuring inputs (I5 and
I6) indicate the fault:
Modbus
addr.
Measur-
ing input Value/function
20418
I5
0 = Connection to residual
current transformer
error free
1 =
Error
in the connection to the
residual current transformer
20618
I6
The GridVis
®
software also displays the interrup-
tion in the connection.
