Motor Protection Relay - ABB REM 610 Product Manual

Features

Motor Protection Relay

• Three-phase motor start-up supervision
based on thermal stress calculation with
speed switch blocking ability
• Three-phase overcurrent protection with
definite-time characteristic and speed
switch blocking ability
• Three-phase short-circuit protection with
instantaneous or definite-time characteris-
tic
• Three-phase undercurrent (loss of load)
protection with definite-time characteristi
• Non-directional earth-fault protection with
definite-time characteristic.
• Three-phase thermal overload protection
• Three-phase unbalance protection based
on the negative-phase-sequence current
with inverse definite minimum time charac-
teristic
• Phase reversal protection based on the
negative-phase-sequence current
• Cumulative start-up time counter with
restart inhibit function
• Circuit-breaker failure protection
• Temperature protection stages with defi-
nite-time characteristic
• Emergency start function
• Optional RTD module:
- with six measuring inputs
- supports PTC thermistors and various
RTD sensors
- three additional galvanically isolated
digital inputs
• Four accurate current inputs
• Time synchronization via a digital input
• Trip-circuit supervision
• User-selectable rated frequency 50/60 Hz
• Three normally open power output contacts
• Two change-over signal output contacts
• Output contact functions freely config-
urable for wanted operation
Issued: 01.12.2003
Status: Updated
Version: D/28.11.2006
Data subject to change without notice
• Two galvanically isolated digital inputs and
three additional galvanically isolated digital
inputs on the optional RTD module
• Disturbance recorder:
- Recording time up to 80 seconds
- Triggering by one or several internal or
digital input signals
- Records four analog channels and up to
eight user-selectable digital channels
- Adjustable sampling rate
• Non-volatile memory for:
- Up to 100 event codes with time stamp
- Setting values
- Disturbance recorder data
- Recorded data of the five last events
with time stamp
- Number of AR shots and starts/trips for
protection stages
- Operation indication messages and
LEDs showing the status at the moment
of power failure
• Multi-language support
• User-selectable password protection for
the HMI
• Display of primary current values
• Demand values
• All settings can be modified with a PC
• Optical front communication connection:
wirelessly or via cable
• Optional rear communication module with
plastic fibre-optic, combined fibre-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
• Battery back-up for real-time clock
• Battery charge supervision
• Continuous self-supervision of electronics
and software
• Detachable plug-in unit
REM 610
1MRS 755121
3