Verifying The Communication; Verifying Spa Communication; Verifying Iec Communication - ABB REL 551-C1 2.3 Series Installation And Commissioning Manual

Line differential protection terminal
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2
2.1
2.2
64

Verifying the communication

Verifying the communication

Verifying SPA communication

To verify that the rear SPA communication with the SMS/SCS system is working, there
are some different methods. Choose one of the following.
Procedure
1.
Use a SPA-emulator and send "RF" to the terminal. The an-
swer from the terminal should be "REx500 23".
2.
Generate one binary event by activating a function which is
configured to an event block where the used input is set to
generate events on SPA. The configuration must be made
with the CAP5xx software. Verify that the event is presented
in the SMS/SCS system.
During the following tests of the different functions in the terminal, verify that the
events and indications in the SMS/SCS system are as expected.

Verifying IEC communication

To verify that the IEC communication with the IEC master system is working, there are
some different methods. Choose one of the following.
Procedure
1.
Use a protocol analyzer and record the communication be-
tween the terminal and the IEC master. Check in the protocol
analyzer's log that the terminal answers the master messag-
es.
2.
Generate one binary event by activating a function which is
configured to an event block where the used input is set to
generate events on IEC. The configuration must be made with
the CAP5xx software. Verify that the event is presented in the
IEC master system.
During the following tests of the different functions in the terminal, verify that the
events and indications in the IEC master system are as expected.
Chapter 10
Establishing connection and
verifying the SPA/IEC-

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