ABB RELION REX640 Operation Manual page 134

Commissioning
7.4.3.4 Pairing local HMI with relay
To enable proper connection and functionality between the LHMI and a relay they
need to be paired.
1.
134
Parameter
REX640 communication
parameters
Service PC network
adapter for HMI service
port
SHMI
SHMI
Switch
REX640 1 REX640 1 REX640 2 REX640 2
REX640 2
REX640 1
Figure 112: Example of switchgear HMI connection through station network
Set up communication to establish a connection between the HMI and the relay.
Configuration/Communication/
Ethernet/Network1/IP address
Configuration/Communication/
Ethernet/Network1/Subnet mask
IP address
REX640 3 REX640 3
REX640 3
1MRS759118 D
Value
192.168.2.10
255.255.255.0
Obtain automatically
REX640
Operation Manual