ABB REM 610 Technical Reference Manual

Also see for REM 610: Operator's manual Product guide Installation manual Product guide Technical reference manual

Contents

ABB REM 610 Technical Reference Manual Manual pdf 13 page image

133. Product overview3.1. Use of the relayThe motor protection relay REM 610 is a versatile multifunction protection relaymainly designed to protectmotors in a wide range of motor applications.The relay is based on a microprocessor environment. A self-supervision systemcontinuously monitors the operation of the relay.The HMI includes a liquid crystal display (LCD) which makes the local use of therelay safe and easy.Local control of the relay via serial communication can be carried out with acomputer connected to the front communication port. Remote control can be carriedout via the rear connector connected to the control and monitoring system throughthe serial communication bus.3.2. Features* Three-phase motor start-up supervision based on thermal stress calculation withspeed switch blocking ability* Three-phase overcurrent protection with definite-time characteristic and speedswitch blocking ability* Three-phase short-circuit protection with instantaneous or definite-timecharacteristic* Three-phase undercurrent (loss of load) protection with definite-timecharacteristi* Non-directional ground-fault protection with definite-time characteristic.* Three-phase thermal overload protection* Three-phase unbalance protection based on the negative-phase-sequence currentwith inverse definite minimum time characteristic* Phase reversal protection based on the negative-phase-sequence current* Cumulative start-up time counter with restart disable function* Circuit-breaker failure protection* Temperature protection elements with definite-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 trip contactsMotor Protection RelayTechnical Reference Manual - ANSI VersionREM 610REM 6101MRS755537