Communication Test - Mitsubishi Electric MELSEC Q Series Reference Manual

4 SETTING AND PROCEDURE BEFORE OPERATION

4.10.4 Communication test

1R1 1R2
Network No. 1
1R4 1R3
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This test checks whether communications is normally performed between the host
station and a communication-target station (specified with the network number and
station number).
If the communication-target station is in another network, the relay network number
and station number are displayed and the routing parameter settings can be checked.
GX Developer
2N 1 2N
S S
Host
1MR 2M 2
Network No. 2
P
2N 6 2N
S S
When the communication test is performed from GX Developer connected to the 2M
in network number 2 to the 4N
following screen appears. The result shows that communications between two stations
is normal.
Return path from the destination
to the host
3
2N 5 3M 1
S P
4
3N 3
S
Network No. 3
3N 5 3N 4
S S
6 in network number 4 in the system above, the
S
Forward path from the host
to the destination
4M 1 4N
P
3N 2 4N 5 Network No. 4
S S
4N 6 4N
S
Destination
Station numbers of
relay stations.
5 is the station No. of
network No. 2 side.
1 is the station No. of
network No. 3 side.
MELSEC-Q
2 4N 3
S S
4
S
2
P
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