ABB RET670 - Understand the IED local human-machine interface

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
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Operator's manual