VAT 642 Series - Example of the Handshaking by a PLC-Program

INSTALLATION Series
642
62/107 Edition 2017-11-24 813316EB
4.8.3 Example of the handshaking by a PLC-program
The following program sends an answer to the VAT CC-Link station which return a “Remote READY” flag.
It is important to correct register address is used. In this example the address for this slave station (valve)
starts at 1000 (hex). So m = 100 (see capture
Location of the handshaking bits). The Operational setting mode of the slave is 4 – therefore n = D.
Table 1 said RX(m+n)8 for the location of the ’Initial data processing request flag’. So the address X10D8
is used. For the ’Remote Ready’ flag the address RX(m+n)B = X10DB is used.