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MELSEC-Q
6 PROGRAMMING
(c) Checking device ranges of the multiplexed remote master and
sub-master stations
1) When Send LY/Receive LX device numbers of the multiplexed remote
master and sub-master stations (SW01C8 to SW01CF) become valid,
Send/receive device number valid/invalid status (SB01C8) is turned
ON.
2) The send/receive device numbers of the multiplexed remote master
and sub-master stations can be checked in SW01C8 to SW01CF.
No. Description No. Description
SB01C8
Send/receive device number valid/invalid
status
SW01C8 Send LY device number
SW01C9 Receive LX device number
SW01CC Send LB device number
SW01CD Receive LB device number
SW01CE Send LW device number
SW01CF Receive LW device number
(12) Checking the redundant multiplexed remote master function
support and setting
With link special relays (SB) and link special registers (SW), whether the
multiplexed remote master function is supported can be checked and relevant
settings can be configured.
1) When the network module supports the redundant multiplexed remote
I/O networks, Host station's redundant function support information
(SB0041) is turned ON.
2) To set the time taken from detection of a data link stop until system
switching is requested in the redundant system, set a time value in
System switching monitoring time setting (SW0018).
3) If System switching monitoring time setting valid flag (SB0018) is
turned ON, System switching monitoring time setting (SW0018) is
enabled.
No. Description No. Description
SB0018
System switching monitoring time setting
valid flag
SW0018 System switching monitoring time setting
SB0041
Host station's redundant function support
information
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