Parameter Management; Front Communication - ABB Relion 650 Series Operation Manual

1MRK 500 096-UUS B
4.1.4.2

Parameter management

The LHMI is used to access the IED parameters. Three types of parameters can be read and
written.
• Numerical values
• String values
• Enumerated values
Numerical values are presented either in integer or in decimal format with minimum and maximum
values. Character strings can be edited character by character. Enumerated values have a
predefined set of selectable values.
4.1.4.3

Front communication

The RJ-45 port in the LHMI enables front communication.
• The green uplink LED on the left is lit when the cable is successfully connected to the port.
GUID-D71BA06D-3769-4ACB-8A32-5D02EA473326 V1 EN-US
Figure 8:
1 RJ-45 connector
2 Green indicator LED
When a computer is connected to the IED front port with a crossed-over cable, the IED's DHCP
server for the front interface assigns an IP address to the computer if
default IP address for the front port is 10.1.150.3.
650 series
Operation manual
RJ-45 communication port and green indicator LED
Do not connect the IED front port to a LAN. Connect only a single local PC with
PCM600 to the front port.
© Copyright 2013 ABB. All rights reserved
Section 4
650 series overview
GUID-5EE466E3-932B-4311-9FE1-76ECD8D6E245 v4
GUID-FD72A445-C8C1-4BFE-90E3-0AC78AE17C45 v8
DHCPServer = Enabled . The
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