ABB REF 542plus User Manual

A051658
Fig. 20.6.7.-1 Load flow direction visualization
20.7. Test page
This submenu allows testing the HMI and the primary part of the switchgear.
20.7.1. Test HMI
When the test HMI is selected, all its features will be tested by switching them on
and off.
HMI buttons are not available during the test. The displayed
information on the HMI does not reflect the switchgear’s actual status.
REF 542plus is protecting the switchgear during the HMI test. The
HMI test takes a few seconds.
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REF 542plusREF 542plus
Multifunction Protection and Switchgear Control Unit
Operator's manual
1MRS755869

ABB REF 542plus Specifications

General

Brand	ABB
Model	REF 542plus
Category	Control Unit
Language	English