Human Machine Interface; Basic Ied Functions; Iec60870-5-103 - ABB Relion 650 Series Product Manual

Breaker protection REQ650
Version 1.1 IEC

12. Human Machine interface

Local HMI
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Figure 4. Local human-machine interface
The LHMI of the IED contains the following elements:
• Display (LCD)
• Buttons
• LED indicators
• Communication port
The LHMI is used for setting, monitoring and
controlling .
The Local human machine interface, LHMI includes a
graphical monochrome LCD with a resolution of 320x240
pixels. The character size may vary depending on
selected language. The amount of characters and rows
fitting the view depends on the character size and the
view that is shown.
The LHMI can be detached from the main unit. The
detached LHMI can be wall mounted up to a distance of
five meters from the main unit. The units are connected
with the Ethernet cable included in the delivery.
The LHMI is simple and easy to understand. The whole
front plate is divided into zones, each with a well-
defined functionality:
• Status indication LEDs
• Alarm indication LEDs which can indicate three states
with the colors green, yellow and red, with user
printable label. All LEDs are configurable from the
PCM600 tool
• Liquid crystal display (LCD)
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• Keypad with push buttons for control and navigation
purposes, switch for selection between local and
remote control and reset
• Five user programmable function buttons
• An isolated RJ45 communication port for PCM600

13. Basic IED functions

Self supervision with internal event list
The Self supervision with internal event list (INTERRSIG
and SELFSUPEVLST) function reacts to internal system
events generated by the different built-in self-
supervision elements. The internal events are saved in
an internal event list.
Time synchronization
Use time synchronization to achieve a common time
base for the IEDs in a protection and control system.
This makes comparison of events and disturbance data
between all IEDs in the system possible.
Time-tagging of internal events and disturbances are an
excellent help when evaluating faults. Without time
synchronization, only the events within the IED can be
compared to one another. With time synchronization,
events and disturbances within the entire station, and
even between line ends, can be compared at evaluation.
In the IED, the internal time can be synchronized from a
number of sources:
• SNTP
• IRIG-B
• DNP

• IEC60870-5-103

Parameter setting groups ACTVGRP
Use the four sets of settings to optimize the IED
operation for different system conditions. Creating and
switching between fine-tuned setting sets, either from
the local HMI or configurable binary inputs, results in a
highly adaptable IED that can cope with a variety of
system scenarios.
Test mode functionality TESTMODE
The protection and control IEDs have many included
functions. To make the testing procedure easier, the
IEDs include the feature that allows individual blocking
of a single-, several-, or all functions.
There are two ways of entering the test mode:
• By configuration, activating an input signal of the
function block TESTMODE
• By setting the IED in test mode in the local HMI
While the IED is in test mode, all functions are blocked.
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