ABB REU 610 Operator's Manual page 14

REU 610 REU 610
14
Voltage Protection Relay
Operator's Manual
Two galvanically isolated digital inputs and three additional galvanically isolated
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digital inputs on the optional I/O module
Disturbance recorder:
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Recording time up to 80 seconds
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Triggering by one or several internal or digital input signals
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Records four analog channels and up to eight user-selectable digital channels
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Adjustable sampling rate
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Non-volatile memory for:
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Up to 100 event codes with time stamp
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Setting values
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Disturbance recorder data
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Recorded data of the five last events with time stamp
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Number of starts for protection stages
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Operation indication messages and LEDs showing the status at the moment of
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power failure
HMI with an alphanumeric LCD and navigation buttons
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Eight programmable LEDs
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Multi-language support
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User-selectable password protection for the HMI
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Display of primary voltage values
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All settings can be modified with a PC
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Optical front communication connection: wirelessly or via cable
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Optional rear communication module with plastic fibre-optic, combined fibre-
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optic (plastic and glass) or RS-485 connection for system communication using
the SPA-bus, IEC 60870-5-103 or Modbus (RTU and ASCII) communication
protocol
Optional DNP 3.0 rear communication module with RS-485 connection for
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system communication using the DNP 3.0 communication protocol
Battery back-up for real-time clock
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Time synchronization via a digital input
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Battery charge supervision
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Continuous self-supervision of electronics and software
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At an internal relay fault, all protection stages and outputs are locked
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Detachable plug-in unit
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1MRS755770