Hello,

i a'm new with using modbus and

i want to control 1 ( if 1 works then more ) altivar 312 with modbus.

does anybody have a sample program with start stop change speed.

i have a cpu 1212c and cm1241 and tia v13.

Can somebody help me??

Hello Obélix;

Member Nikzitronic created a project for Modbus control of altivar drives.

You might find it useful (there are more threads on the same or similar subject; use the Site Explorer (search box) at the right to locate them on the Support pages:

control 4 Schneider electric Altivar312 drives using an S7-1200 using Modbus

https://support.industry.siemens.com/tf/ww/en/posts/99153/

Hope this helps,

Daniel Chartier