ABB RET670 Commissioning Manual

4.10.2 Binary output circuits
Preferably, disconnect the binary output connector from the binary output cards. Check all
connected signals so that both load and polarity are in accordance with IED specifications.
4.11 Checking optical connections
Check that the Tx and Rx optical connections are correct.
An IED equipped with optical connections has an minimum space
requirement of 180 mm (7.2 inches) for plastic fiber cables and 275 mm
(10.9 inches) for glass fiber cables. Check the allowed minimum bending
radius from the optical cable manufacturer.
Section 4 1MRK 504 165-UUS -
Starting up
56 Transformer protection RET670 2.2 ANSI
Commissioning manual

ABB RET670 Specifications

General

Rated Frequency	50/60 Hz
Inputs	Analog and binary inputs
Application	Protection of power systems
Communication Protocols	IEC 61850, DNP3, Modbus
Operating Temperature Range	-25°C to +55°C
Mounting	Rack mounted
Number of Binary Inputs	Up to 48
Number of Binary Outputs	32
Protection Functions	Overcurrent Protection
Outputs	Binary outputs
Enclosure	IP 54
Type	Line Differential Protection
Number of Analog Inputs	24