ABB REF 542plus - Page 4

6.3. Configuration restriction ............................................ 44
6.4. Binary inputs and outputs.......................................... 45
6.4.1. BIO module with mechanical output relays
(version3) ................................................... 45
6.4.2. BIO module with static outputs....................... 46
6.5. Interfaces ............................................................... 47
6.6. Power supply .......................................................... 48
6.7. Environmental conditions .......................................... 49
6.8. Protection degree .................................................... 49
6.9. Tests ..................................................................... 49
7. Ordering................................................................. 51
8. Connections ........................................................... 59
8.1. Connector plates ..................................................... 59
8.2. Binary input and output connections ........................... 63
8.3. Typical connection schemes ...................................... 65
8.3.1. Generic outgoing feeder................................ 65
8.3.2. Feeder with differential protection ................... 66
8.3.3. Incoming feeder with synchrocheck................. 67
9. Abbreviations ......................................................... 69
4
REF 542plusREF 542plus
Multifunction Protection and Switchbay Control
Unit
Technical Reference Manual
1MRS755859