Mitsubishi Electric MELSEC-Q Series - Page 497

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CHAPTER 9 DEDICATED INSTRUCTIONS
9
9.20 J(P)/G(P).RIWT (Data Write to Programmable Controllers on Target Station)
(6) Program example
In this program example, when M210 turns ON, data in D850 to D853 of station No.2 (own station) are written to
D1100 to D1103 of station No.3 (target station).
(a) System configuration example
(b) Devices used in the program example
• Link special relay (SB) and link special register (SW)
Remark
• For details of link special relay (SB): Page 568, Appendix 1
• For details of link special register (SW): Page 584, Appendix 2
• Devices used by the user
Device Description Device Description
SB0047 Baton pass status (own station) SW00A0.2 Baton pass status of station No.3
Device Description Device Description
M210 Start contact
D420 to
D424
Control data
M211 RIWT executing flag D626 Error code storage device
M215 Completion device
D850 to
D853
Write data storage device (station No.2)
M216 Completion status indication device —
D850
D851
D852
D853
D1100
D1101
D1102
D1103
Network No.1
Station No.1
CPU module
CC-Link IE
Controller
Network
module
Station No.2
Station No.4 Station No.3
CPU module
CC-Link IE
Controller
Network
module
CPU module
CC-Link IE
Controller
Network
module
CPU module
CC-Link IE
Controller
Network
module
Send buffer
RIWT instruction
request source
(Own station)
RIWT instruction
request target
(Target station)