Communication Modules - ABB RELION REX640 Technical Manual

1MRS759142 C
13.2
REX640
Technical Manual
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Figure 895: RTD1001 module

Communication modules

COM1001 COM1002
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Figure 896: Communication module options
The Ethernet ports marked with LAN A and LAN B are used with redundant Ethernet
protocols HSR and PRP. The third station bus Ethernet port without the LAN A or
LAN B label is an interlink port which is used to connect a device to the common
redundant Ethernet channel.
Table 1482: Ports in communication modules
Port
X0
X1
X2
X3
X6
X7
X8
1) 2- or 4-wire twisted pair
Protection relay's physical connections
COM1003
Type
RJ-45
RJ-45 or LC
RJ-45 or LC
RJ-45 or LC
SFP - LC
FO - ST
1)
TP
Section 13
COM1004 COM1005
Description
HMI
Ethernet (LAN A)
Ethernet (LAN B)
Ethernet (Interlink)
Protection communication
Serial communication
Serial communication/IRIG-B
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