ABB REF610 Feeder Line Protection Relay Product Manual

Feeder protection relays

Technical Reference Manual

REF610 1MRS755310* Two galvanically isolated digital inputs and three additional galvanically isolated digital inputs on the optional I/O module.

Two galvanically isolated digital inputs and three additional galvanically isolated digital inputs on optional I/O modules

* Interference logger:

* Recording time up to 80 seconds.

* Triggered by one or more 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 time-stamped event codes

* Set values

* Interference logger data

* Time-stamped logging data for the last five events

* Number of AR shots and protection phase starts/trips

* Operating indication messages and LEDs showing status in case of power failure

* HMI with alphanumeric LCD and navigation buttons

* Eight programmable LEDs

* Multiple language support

* User-selectable password protection for the HMI

* Display of primary current value

* Demand value

* All settings can be modified via PC

* Optical front communication connection: wireless or cable

* Optional rear communication module with plastic fiber optic, combined fiber optic (plastic and glass) or RS-4 connection.

(Optional rear communication module with plastic fiber optics, combined fiber optics (plastic and glass) or RS-485 connection for use with the

SPA bus, IEC 60870-5-103. or Modbus (RTU and ASCII) communication protocols for system communication.

* Optional DNP 3.0 rear communication module with RS-485 connection for system communication using DNP 3.0 communication protocols

* Battery backup for real-time clock

* Battery charge monitoring

* Continuous self-monitoring of electronics and software

* Removable plug-in unit