Examples Of Using Standard Function Blocks In Drive-To-Drive Communication - ABB ACSM1 Firmware Manual

Examples of using standard function blocks in drive-to-drive
communication
See also the descriptions of the drive-to-drive function blocks starting on page 268.
Example of master point-to-point messaging
Master Follower (node 1)
1. The master sends a constant (1) and the value of
the message counter into follower dataset 20. Data
is prepared to and sent from dataset 16.
2. The follower sends the received counter value and
a constant (21) as a reply to the master.
3. The master calculates the difference of the latest
message number and received data.
Appendix B – Drive-to-drive link
359