Which products are affected?
9300EP servo positioning controller version V2.1
What happens?
It was possible that the input value was inverted. Owing to this inversion there was a risk of positive feedback in the control circuit if, for example, the measuring signal of a tension measuring station was inverted.
When does the problem occur?
If the master current input 4…20 mA was subjected to an excessively high master current of 40mA.
Short-term measures/recommendations?
None, or do not set excessively high master current.
Evaluation:
A master current of 40 mA is well above the defined range of 4…20 mA and should therefore not be able to occur at the terminals.
