ABB REU 610 Technical Reference Manual page 12

REU 610
12
Voltage Relay
Technical Reference Manual
Three normally open power output contacts
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Two change- over signal output contacts and three additional change- over
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signal output contacts on the optional I/ O module
Output contact functions freely configurable for wanted operation
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Two galvanically isolated digital inputs and three additional galvanically
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isolated digital inputs on the optional I/ O module
D isturbance recorder:
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R ecording time up to 8 0 seconds
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Triggering by one or several internal or digital input signals
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R ecords four analog channels and up to eight user- selectable digital
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channels
Adjustable sampling rate
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N on- volatile memory for:
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Up to 100 event codes with time stamp
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S etting values
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D isturbance recorder data
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R ecorded data of the five last events with time stamp
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N umber of starts for protection stages
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Operation indication messages and L E D s showing the status at the
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moment of power failure
H M I with an alphanumeric L CD
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E ight programmable L E D s
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M ulti- language support
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User- selectable password protection for the H M I
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D isplay 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
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fibre- optic ( plastic and glass) or R S - 4 8 5
communication using the S PA- bus, IE C 608 7 0- 5 - 103 or M odbus ( R TU
and AS CII) communication protocol
Optional D N P 3 .0 rear communication module with R S - 4 8 5 connection
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for system communication using the D N P 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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D etachable plug- in unit
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and navigation buttons
connection for system
1MRS755769