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Goals and Symptoms
Refreshing time of Variables for Communication propose What is the frequence of updating of Variables available for communication in ATV68 EX: W1030 if configured to be a Speed in RPM?
Facts and Changes
Causes and Fixes
The ATV68 decides between the PZD communication channel and the PKW.
At the Profibus link both parts have to be transmitted from PLC to the drive. (PPO1- PPO4). Each PZD telegram will be worked out within a 5 ms task. A PKW telegram (read/write a parameter) will be worked out in a 100ms
task. Using the Profibus connection, it will be necessary to send the PKW request as long until you get a response.
By using the Gateways (separated PKW and PZD telegrams)for serial connection the time for the RS232 communication from drive to gateway has to be added.