Mitsubishi Electric Melsec QJ71LP21 - Page 370

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MELSEC-Q
7 APPLICATION FUNCTIONS
(2) Setting example and cyclic transmission
The following system configuration example is used to describe a setting
example and cyclic transmission.
Q25H
CPU
Normal
station
(station
No. 4)
Q25H
CPU
Normal
station
(station
No. 3)
Standby system
(system B)
Control system
(system A)
Power supply module
Redundant
CPU
Control
station
(station
No. 1)
Set two adjoining station
numbers as a pair.
Confirm that the network modules set for
pairing are connected to the redundant CPUs.
Tracking cable
Power supply module
Redundant
CPU
Normal
station
(station
No. 2)
Power supply module Power supply module
(a) Setting example
This example shows the send range for each station (LB/LW setting) when
256 points are assigned to each of station Nos. 1 to 4.
1) To pair station Nos. 1 and 2, set the smaller station number to "Enable"
(station No. 1 in this case).
2) By setting station No. 1 to "Enable", the send range for station No. 1
will be co
p
ied as that for station No. 2.
1)
2)