P92x/EN RS/E11 Technical Guide
Test Report
Page 22/22 MiCOM P921-P922-P923
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10. COMMUNICATIONS
If the relay has the Modbus protocol installed for remote communication, the
following parameters are required:
COMMUNICATION
Default values Settings
COM Present No No/Yes *
Baud rate 19200 Bauds 300 / 600 / 1200 / 2400 / 4800 /
9600 / 19200 / 38400 Bauds*
Parity None Odd/Even/None*
Stop bits 1 1/2 *
Relay address 1
If the relay protocol is the Kbus/Courier or IEC60870-5-103 type, only the relay
address is required.
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