Mitsubishi QJ71GP21-SX, Reference Manual

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9
DEDICATED INSTRUCTIONS
9.8 J(P)/G(P).REQ (Reading/Writing Clock Data)
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(5) Program example
This section shows programs for reading and writing clock data.
(a) Reading clock data
In the following program example, when M131 turns ON, clock data in QCPU of
station No.2 (target station) are read out to station No.1 (own station).
1) System configuration example
2) Devices used in the program example
• Link special relay (SB) and link special register (SW)
Remark
For details of link special relay (SB) and link special register (SW), refer to the
following.
• Appendix 1 Link Special Relay (SB) List
• Appendix 2 Link Special Register (SW) List
Figure 9.62 System configuration example (Clock data read)
Table 9.38 Link special relay (SB) and link special register (SW)
Device Description Device Description
SB0047 Baton pass status (own station) SW00A0.1 Baton pass status of station No.2
CPU module
REQ
Clock data
read
REQ instruction
request source
(Own station) REQ instruction
request target
(Target station)
CC-Link IE
controller
network module
Channel 4
CPU module CC-Link IE
controller
network module
CPU module CC-Link IE
controller
network module CPU module CC-Link IE
controller
network module
Network No.1
Station No.1 Station No.2
Station No.4 Station No.3