Lenze 931W - Manual (Page 44)

Parameter channel (PCV mechanism)
Job and response processing
Response identification (slave -> master)
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44 K-HB 13.0001-EN 2.1
7.3.2 Response identification (slave -> master)
The response shows if the transmission was successful or if a transmission error occurred.
The response helps to exactly locate the error. The following table contains all responses
to the implemented job identifications.
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Note!
If a parameter of the slave in double word format is to be changed, but the job
identification refers to a change of a parameter in word format, the slave
responds with a corresponding error message / number (see Tab. 21).
Response identification Function
0 No job
1 Transmit parameter value (word)
2 Transmit parameter value (double word)
3 Transmit describing element
4 Transmit describing element (array word)
5 Transmit describing element (array double word)
6 Transmit number of array elements
7 Job cannot be executed (with error number)
8 No parameter change rights for PCV interface
9 Spontaneous message - word
10 Spontaneous message - double word
Tab. 20 Overview of response identifications
If jobs cannot be executed, the slave responds with an error number.