Mitsubishi MELSEC Q Series User Manual page 115

4 FUNCTIONS
Master station
additional mode
Ver. 1
Station number 1
compatible
Station number 2
remote
Station number 3
output RY
to
Ver. 2
compatible
remote
output RY
Station number 4
Station number 5
Station number 6
Station number 7
Station number 8
to
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(2)
Remote net additional mode
This mode is designed for use when slave stations including a ver. 2 compatible
station is added to the existing ver. 1 system.
The program of the existing system can be used as is.
Remote I/O station
(Station number 1:
Occupies 1 station)
Output
POINT
(1) Set the station numbers of the slave stations to be added after the last station
number used in the existing system.
In the above example, the slave stations are added to and after station No. 4
since the existing system uses up to station No. 3.
(2) When the ver. 2 compatible slave station is added or deleted, the refresh
devices of the PLC CPU will vary by the number of points set to the added or
deleted slave station in the slave stations of the station numbers after the added
or deleted slave station. Confirm the varying number of points in Table 4.8.
(3) In the remote net additional mode, the ver. 2 compatible slave station must be
placed in the latter half as described in (1).
When there is a possibility that ver. 1 compatible slave stations will be added in
the future in the remote net additional mode, set multiple reserved stations after
the ver. 1 compatible slave station to ensure ease of expanding the system.
(4) For the system that includes a standby master station, it is recommended to
change for the remote net ver. 2 mode.
When the remote net additional mode is used, the sequence program for the
standby master station must be corrected.
[Setting method]
Using GX Developer, set the network parameters.
For more details on the setting, see Sections 6.3 to 6.5.
Remote device station
Ver. 1 compatible
(Station number 2:
Occupies 2 stations)
Occupies 4 stations)
Remote output RY
MELSEC-Q
Local station
Remote device station
additional mode
Ver. 2 compatible
(Station number 8:
(Station number 4:
Occupies 1 station)
Remote input RX
Station number 1
Station number 2
Station number 3
to
Station number 4
Station number 5
Station number 6
Station number 7
Station number 8
Remote output RY
to
double octuple
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