ABB REF542plus Installation And Commissioning Manual page 55

1VTA100004-en
REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
RS232 to RS485 communication test
10 messages are sent to the RS 485 port.
Test result shown in the page ("TEST OK" or "TEST FAIL")
2 seconds delay.
After finishing the test, the HMI test page will be displayed again automatically.
DMS,2001-10-04 REF542 plus : Installation and Commissioning 55 / 80