ABB RET615 User Manual

Section 3 Glossary
EMC Electromagnetic compatibility
IEC International Electrotechnical Commission
IEC 61850 International standard for substation communication and
modeling
IED Intelligent electronic device
LED Light-emitting diode
LHMI Local human-machine interface
Modbus A serial communication protocol developed by the Modicon
company in 1979. Originally used for communication in PLCs
and RTU devices.
PCM600 Protection and Control IED Manager
1MRS756878 H Section 3
Glossary
RET615 91
Point List Manual

ABB RET615 Specifications

General

Rated Frequency	50/60 Hz
Weight	Approx. 2.5 kg
Type	Protection Relay
Communication Protocols	IEC 61850, Modbus, DNP3
Protection Functions	Overcurrent, Earth fault, Thermal overload, Frequency
Input Voltage	24-250 V DC