Mitsubishi Electric MELSEC iQ-F FX5 Series User Manual page 38

Interlock program
Data of more than 32 bits can be assured without using the station-based block data assurance setting. Use either of the
following methods for interlocking:
• Data assurance by handshake of the remote I/O
• Data assurance by handshake of the remote register
■Data assurance by handshake of the remote I/O
The following shows an example of sending data in W0 to W3 of the master station (station No.0) to W100 to W103 of the
local station (station No.1). (X1000 and Y1000 are used for a handshake to the FX5 CPU module.)
No.0
FX5-CCLGN-MS
• Data flow
Send
request
Send data (W)
SET Y1000
4 FUNCTIONS
36
4.2 Cyclic Transmission
No.1
FX5-CCLGN-MS
FX5
CPU module Master station
Y1000 RY0
RX0
X1000
RWw0
W0
RWr0
W100
FX5
Local station CPU module
Y1000
RY0
RX0
X1000
RWw0
W0
RWr0
X1000
Receive data (W)
Cyclic transmission
Link refresh
W100