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REC 523
5.7.4.
5.8.
5.8.1.
44
Remote Monitoring and Control Unit
Technical Reference Manual
When returning to normal operation, the IRF LED on the LED panel returns to blank
state. In addition, an event 0/E56 is generated over the serial communication.
Fault codes
When an internal fault is indicated by REC 523, the self-supervision system
generates an IRF code that indicates the type of the fault.The fault can be read in the
Relay Setting Tool's menu Status/General/IRF code.
Do not reset REC 523 before reading the IRF code. The code should
be noted in a service report when overhaul is ordered. In case of a
repeating IRF, send the REC 523 device to the manufacturer.
Table 5.7.4-1 gives an overview of the fault origin.
Table 5.7.4-1
Fault origin overview
Codes
Explanation
→
Faults related to the module of the device, for example to BIO card
0
→
Faults related to the parameter database
3000
→
Faults related to the analogue measurement inputs
6000
→
Software faults
7000
→
Faults related to testing
15000
Configuration
REC 523 configuration
The Relay Configuration Tool is based on the IEC 61131-3 standard. The standard
defines the programming language used for the configuration.
The programmable system of REC 523 allows the output contacts to be operated in
accordance with the state of the logic inputs and the outputs of the protection,
control, measurement and condition monitoring functions. The programmable logic
controller (PLC) functions (for example interlocking and alarm logic) are
programmed with Boolean functions, timers, counters, comparators and flip-flops.
The program is written in a function block diagram language by using the
configuration software.
After the configuration has been built and successfully compiled, the Relay
Configuration Tool project (RCT project in CAP 505) including the relay
configuration can be downloaded to the device with the Relay Download Tool. The
project can also be uploaded from REC 523 with the same tool.
However, the relay configuration and the RCT project are saved in the non-volatile
memory only after they have been stored via the parameter Store. To activate the
new configurations, the REC 523 device should be reset via the parameter
Software reset. The parameters can be found on the Relay Configuration Tool
by opening the Configuration tab and clicking the General subtab. Likewise, the
storing and the resetting can be done via the Relay Download Tool by using the relay
command buttons Store and Reset.
1MRS750881-MUM
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