5 response to a correctly executed write request, Response to a correctly executed write request, 9parameter data transfer – Lenze E94AYCPM User Manual
Page 68
9
Parameter data transfer
9.3
PROFIdrive parameter data channel (DP-V1)
68
Lenze · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · TD17
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
9.3.3.5
Response to a correctly executed write request
Response header
Note!
In the case of a multi-parameter request, correct and possible faulty messages are
summarised in one telegram. They have the following data contents:
Correct message
• Format: 0x40
• Number of values: 0x00
Faulty message
• Format: 0x44
• Number of values: 0x01 or 0x02
• Error code without additional information (for number of values = 0x01) or with
additional information (for number of values = 0x02)
A faulty access to a parameter "n" is indicated at the nth position in the response
telegram of a multi-parameter request.
Byte 1
Byte 2
Byte 3
Byte 4
Request reference
(mirrored)
Response identification
Axis
(mirrored)
Number of indices
Field
Data type
Values
Request reference
U8
Mirrored value of the parameter request
Response identification
U8
0x02: Parameter has been written
Axis
U8
0x00 or 0x01
Number of indices
U8
0xn (n = number of parameter addressed)