ABB RET670 User Manual

Section 4 Understand the IED local human-
machine interface
About this chapter
This chapter describes the display, its keys (buttons) and LEDs that make up the
local HMI on the IED. How the keys are used to navigate the HMI, how to
interpret the graphic information on the LCD and, what the LEDs indicate is
explained in the sections that follow.
4.1 Overview
The human machine interface is used to monitor and to some extent control the
way the IED operates. The configuration designer can add functions that alert to
events requiring the attention of the operator.
IEC08000098 V1 EN
Figure 3: 1/2 x 19” case with small LCD
1MRK504114-UEN E Section 4
Understand the IED local human-machine interface
21
Operator's 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