Mitsubishi Electric MELSEC Q Series Reference Manual page 265

7 APPLICATION FUNCTIONS
Number Name
Send/receive device
SB01CB number valid/invalid
status
Send LB device
SW01CC
number
Receive LB device
SW01CD
number
Send LW device
SW01CE
number
Receive LW device
SW01CF
number
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(d) Link special relay and link special registers used to make the programs
identical
The following link special relay and link special registers can be used to
check the send/receive device ranges of the multiplexed remote master
station and multiplexed remote sub-master station.
Indicates whether the send/receive device numbers (SW01C8 to SW01CF) of the remote sub-master
station are valid or invalid.
OFF : Invalid
ON : Valid
For the remote master station: The send LB device number to the remote sub-master station is stored.
For the remote sub-master station: The send LB device number to the remote master station is stored.
For the remote master station: The receive LB device number from the remote sub-master station is
stored.
For the remote sub-master station: The receive LB device number from the remote master station is
stored.
For the remote master station: The send LW device number to the remote sub-master station is stored.
For the remote sub-master station: The send LW device number to the remote master station is stored.
For the remote master station: The receive LW device number from the remote sub-master station is
stored.
For the remote sub-master station: The receive LW device number from the remote master station is
stored.
The SW01CC to SW01CF values are valid only when SB01C8 is ON.
In this example, the following values are stored into the corresponding link
special registers.
Target Station
Multiplexed remote master station
Multiplexed remote sub-master station
Using the above values, the multiplexed remote master station and
multiplexed remote sub-master station can confirm the starting addresses
of the LB/LW devices sent/received by themselves.
Description
SW01CC SW01CD
0 20
20 0
MELSEC-Q
SW01CE SW01CF
100 120
120 100
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