In step7 hardware configuration, cpu comunication proprieties, in "op resources" it has to be selected the number of OP which the cpu is going to cominucate;in my configuration it was 3 and i was tryng to set the fourth tp;
now it is ok
s7-300 cpu 314c-2dp, et200m and an MP270; now i have to add a tp170A, but i can see its variables values only if i get off the MP270 from the bus(their address are different);
someone have any ideas to solve this problem?
Thank you
I have a micromaster 440 and a s7-200 CPU with USS, when i change frequency set point from 50hz to 10hz, sometime (random)the motor runs like the drives is off (motor in stall), the drive (and s7-200) doesn't display any alarms;
Have you any advices for me?
