ABB REF 54 Series Technical Reference Manual

1MRS750527-MUM
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Technical Reference Manual, General
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79
Self-supervision RAM circuits
ROM circuits
Parameter memory circuits
CPU watchdog
Power supply
Digital I/O modules
HMI module
RTD/analogue input module
Internal communication bus
A/D converters and analogue multiplexers
Mechanical dimensions Width: 223.7 mm (1/2 of a 19” rack)
Height, frame: 265.9 mm (6U)
Height, box: 249.8 mm
Depth: 235 mm
For dimension drawings, refer to the Installation
Manual (1MRS 750526-MUM)
External display module: Width: 223.7 mm
Height: 265.9 mm
Depth: 74 mm
Weight of the unit ~8 kg
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ABB REF 54 Series Specifications

General

Brand	ABB
Model	REF 54 Series
Category	Touch terminals
Language	English