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4 FUNCTIONS
4.2 Cyclic Transmission
•Program
Sending station: Master station (station No.0)
Receiving station: Local station (station No.1)
• Program flow
When performing handshake of the remote I/O (RX, RY), set a device to be used as a handshake flag after a remote register
that prevents data inconsistency in the "Refresh Settings". Otherwise, the data inconsistency may occur even when the
program above is used.
Page 133 Refresh settings
Classification Setting details
Label to be defined Define global labels as shown below:
Classification Setting details
Label to be defined Define global labels as shown below:
The master station checks that the send request bStartDirection (M0) is turned on, and transfers contents of uTransferFrom [0] to [3] (D0 to D3) to the send
data W0 to W3.
When the transfer is completed, the master station turns on Y1000.
The local station checks that X1000 is turned on, and transfers contents of the receive data W100 to W103 to uTransferTo [0] to [3] (D0 to D3).
When the transfer is completed, the local station turns on Y1000.
The master station checks that X1000 is turned on, and turns off Y1000.
The local station checks that X1000 is turned off, and turns off the reception complete signal Y1000.
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