ABB REF 542plus Technical Reference Manual

61
Table 8.1.-1 Meaning of connectors
Connector Meaning
X10 Base unit power supply
X20 First BIO, inputs
X21 First BIO, outputs
X30 Second BIO, inputs
X31 Second BIO, outputs
X40 Third BIO, inputs
X41 Third BIO, outputs
X50 Analog output 0/4 ... 20 mA or Analog input 4 ... 20 mA
X60 Modbus RS-485, channel 2; COM L-COM I RX; SPABUS TX
X61 Modbus RS-485, channel 1; COM L-COM I TX; SPABUS RX
X62 Optical Modbus, RX channel 1
X63 Optical Modbus, TX channel 1
X64 Optical Modbus, RX channel 2
X65 Optical Modbus, 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 interface (RJ-45 on the mainboard)
X71 CAN interface
X72 RS-232 service port (null modem connection)
X73 Connection to HMI
X74 IRIG-B interface for time synchronization
X75 HSTD input
X76 HSTD input
X77 HSTD output
X80 Connector for CTs and VTs
X81 Sensor 1
X82 Sensor 2
X83 Sensor 3
X84 Sensor 4
X85 Sensor 5
X86 Sensor 6
X87 Sensor 7
X88 Sensor 8
Multifunction Protection and Switchbay Control
Unit
Technical Reference Manual
REF 542plusREF 542plus
1MRS755859

ABB REF 542plus Specifications

General

Brand	ABB
Model	REF 542plus
Category	Control Unit
Language	English