Under some circumstances it may be desirable to reset the configuration in the RCU back to the
default. This is achieved by the following method:
1 Press and hold the door switch at the top of the electronics housing.
2 Turn the Remote Control OFF switch ON and OFF five times with an delay of
approximately 1 second between toggles.
This need might arise if, for example, a user has configured the RCU with a USB antenna with the
wrong customer number in it. In this case a user with the correct USB antenna will not be able to
connect to the RCU to re-configure it because it has been configured with the wrong customer
number. However, by following the above method the configuration will be cleared from the RCU
and it will then be available for configuration by the user.
7.7 SCADA Protocol Testing
It is usual for each utility to configure the SCADA protocol and exhaustively test every point and
control. This can be very difficult and time consuming to achieve without the support of special test
equipment.
Siemens provides such a utility called RCU Probe which gives visibility into the RCU database and
allows hand overriding of database points. Using RCU Probe the expert user can prove the protocol
configuration and operation of the protocol prior to the configuration being distributed to the
installation team.
RCU Probe has its own user manual (KMS-0020) and is intended for use by the appropriate technical
expert. It is not suitable for use outside of the acceptance test workshop since it connects to the RCU
using the Ethernet port on the RCU and provides unrestricted control of switchgear.
Note that both RCU Probe and an IP modem (for DNP3 over IP) can be used together with an
appropriate RCU and network configuration, as explained in KMS-0020.
Contact Siemens Service Centre for further information.
7.8 Customer Number
Each end customer has a unique customer code and this code is embedded in the USB antenna.
The code is sent as part of the configuration to both Fusesavers (with Siemens Connect Utility) /
CMR (with CMRConnect utility) and to RCU’s with the RCU Connect utility. When searching for
switchgear, RCU will only find devices that have a customer number that matches the RCU customer
number. This ensures that different utilities will not be able to operate each other’s switchgear or be
able to connect to each other’s RCU’s.
7.9 Fusesaver Operator Control Panel
Refer to [4] for details of CMR Operator Panel operation.
As the Fusesaver Control Panel is an accessory to an RCU, the RCU may need to be configured to
work with the Fusesaver Control Panel. There are a number of RCU configuration settings that will
affect the Operator Control Panel. Settings for these are to be completed by the user in the RCU
Configuration Specification form (KMS-3100)
If an RCU is unconfigured, the RCU will not attempt to connect to any Fusesavers and thus the
Fusesaver Control Panel will not have anything useful to display or control. Under this circumstance
the Control Panel On/Off LED will flash on and off to indicate that the Fusesaver Control Panel is
working but the RCU is not configured.
7.9.1 Enable Operator Control Panel
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