*
Two galvanically isolated digital inputs and three additional galvanically isolated
digital inputs on the optional I/O 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 starts for protection stages
*
Operation indication messages and LEDs showing the status at the moment of
power failure
*
HMI with an alphanumeric LCD and navigation buttons
*
Eight programmable LEDs
*
Multi-language support
*
User-selectable password protection for the HMI
*
Display of primary voltage 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
*
Optional DNP 3.0 rear communication module with RS-485 connection for
system communication using the DNP 3.0 communication protocol
*
Battery back-up for real-time clock
*
Time synchronization via a digital input
*
Battery charge supervision
*
Continuous self-supervision of electronics and software
*
At an internal relay fault, all protection stages and outputs are locked
*
Detachable plug-in unit
14
REU 610
REU 610
Voltage Protection Relay
Operator's Manual
1MRS755770
