ABB REF 542plus Operator's Manual page 74

REF 542plus REF 542plus
74
Multifunction Protection and Switchgear Control Unit
Operator's manual
Fig. 19.-2 REF 542plus standard housing connections plate with mixed analog input
connector
Table 19.-1 summarizes the connectors.
Table 19.-1 Connectors
Connector Meaning
X10 Base Unit power supply
X20 First BIO, input
X21 First BIO, output
X30 Second BIO, input
X31 Second BIO, output
X40 Third BIO, input
X41 Third BIO, output
X50 4-20 mA analog outputs, 4-20 mA analog inputs
X51 4-20 mA analog input RS 232 service interface
X52 4-20 mA analog CAN service interface
X60 Modbus RS 485, channel 2; COM L-COM I TX; SPABUS RX
X61 Modbus RS 485, channel 1; COM L-COM I RX; SPABUS TX
X62 Modbus optical, RX channel 1
X63 Modbus optical, TX channel 1
X64 Modbus optical, RX channel 2
X65 Modbus optical, TX channel 2
X66 Optical LC connector on the Ethernet module
X67 Optical LC connector on the Ethernet module
X68 Electrical RJ-45 connector on the Ethernet module
X69 Electrical RJ-45 connector on the Ethernet module
X70 Ethernet 10 Mb/s RJ-45
X71 CAN Open ISO11898 connector
1MRS755869
A051447