ABB REF542plus User Manual

A051447
Fig. 18.-2 REF542plus standard housing connections plate with mixed analog
input connector
Table 18.-1 summarizes the connectors.
Table 18.-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
X70 Ethernet 10 Mb/s Rj45
X71 CAN Open ISO11898 connector
X72 Mainmodule RS 232 service interface
X73 HMI connection
68
REF542plus
Multifunction Protection and Switchgear Control
Unit
Operator's manual
1MRS755869

ABB REF542plus Specifications

General

Brand	ABB
Model	REF542plus
Category	Control Unit
Language	English