ABB Substation Automation
Products and Systems
Technical Reference Manual
REJ 523
1MRS750940-MUM
5
•
MMI with an alphanumeric LCD and manoeuvring buttons.
•
Settings are stored into non-volatile memory and remain even in case of power
supply failure.
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Two normally open power output contacts.
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Two change-over type signal output contacts.
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Output contact functions freely configurable for desired operation.
•
Optical PC-connector for two-way data communication (front).
•
RS-485 connector (rear) for system communication.
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Continuous self-supervision of hardware and software. At a permanent fault all
stages and outputs are blocked.
•
Rated frequency user-selectable 50/60 Hz.
•
User-selectable password protection for MMI.
•
Display of primary current values.
1.4 Guarantee
Please inquire the guarantee of your nearest ABB representative.
Содержание REJ 523
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