ABB REF 542plus User Manual

83
19.3.6. HMI
A051459
Fig. 19.3.6.-1 HMI connectors
Fig. 19.3.6.-1 shows the back side of the HMI. The connector for the HMI power
supply is X10, which is located on the right-hand side of the Fig. 19.3.6.-1. The
serial cable for the connection to the base unit is to place on the other connector X20
on the left-hand side.
Respect the right polarity on the HMI power supply to avoid damages
to the unit.
Multifunction Protection and Switchgear Control Unit
Operator's manual
REF 542plusREF 542plus
1MRS755869

ABB REF 542plus Specifications

General

Brand	ABB
Model	REF 542plus
Category	Control Unit
Language	English