GE Multilin DFF, Instruction Manual

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ACCEPTANCE TESTS
GEK-106166E DFF Digital Feeder Relay 37
3. Configurable Outputs checks.
Force the closing of each output and check that they operate properly.
To force the operation of the outputs follow one of the following procedures:
•
Simulate an underfrequency condition so the relay closes the corresponding output.
•
Configure outputs to close when one particular input is energized. Energize the corresponding input
and check if outputs close. (GE INTRO software must be used to change the configuration of inputs
and outputs)
7.9 COMMUNICATIONS PORTS CHECKS.
Connect the relay to the PC using a communication cable.
(Communication cable configuration is shown in the list of figures at the end of this manual. Use this cable
configuration or use a standard direct RS232 cable (no crossings) and a standard Null-Modem adaptor)¡
Set in DFF relay and in the PC the following communication parameters:
Number of relay = 1
DFF rear port baud rate = 9600
DFF front port baud rate = 9600
DFF rear port stop bits = 1
DFF local port stop bits = 1
By using GE_LOCAL or DFFPC communications software establish the connection and check the relay
communicates through all communications ports.