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ABB REF 542plus Technical Reference Manual

ABB REF 542plus
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Primary objects control and interlocking in the switchgear
*
Primary objects status acquisition (for example circuit breaker in opened/closed
position)
*
Circuit breaker spring supervision (when applicable).
Binary inputs are isolated by opto-couplers. Binary outputs can be implemented
either with mechanical relays or with static (semiconductor) devices. In a switchgear
with directly driven motors, static power outputs are usually required
A051256
Fig. 4.8.2.-1 Combined sensor in block type (DIN) execution
4.9. Interfacing a station automation system
An optional communication module can be provided for interfacing a station
automation system. The six different protocols available for the REF 542plus make
possible to interface any kind of station automation system, both from ABB or from
third parties.
The following typical functions are possible:
*
Primary objects status monitoring
*
Primary objects control
*
Protections parameterization
*
Measurements, alarms end events acquisition
*
Fault recorder data acquisition
The available protocols are:
*
SPA
*
ABB LON according to LON Application Guide (LAG) 1.4 definitions
*
MODBUS RTU
*
MODBUS TCP
Multifunction Protection and Switchbay Control
Unit
Technical Reference Manual
REF 542plusREF 542plus
1MRS755859

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ABB REF 542plus Specifications

General IconGeneral
BrandABB
ModelREF 542plus
CategoryControl Unit
LanguageEnglish

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