Siemens Sinamics G110M Original Instructions Manual page 159

Reading data
The data for the last write or exchange request is read
Writing data
In the event of a fault, the inverter sends the following telegram as reponse to the master:
The PWE value is contained in the error table AS-i System Interface Manual
(https://support.industry.siemens.com/cs/gb/en/view/1171856).
SINAMICS G110M Operating Instructions
Operating Instructions, 04/2015, FW V4.7.3, A5E31298649B AD
.
Configure fieldbus
7.5 Communications via AS-i
159