1 response to a correctly executed read request, Response to a correctly executed read request, 9parameter data transfer – Lenze E94AYCER User Manual
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9
Parameter data transfer
9.2
Reading parameters from the drive
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Lenze · E94AYCER communication module (PROFINET®) · Communication Manual · DMS 9.0 EN · 12/2013 · TD17
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9.2.1
Response to a correctly executed read request
Response header
Parameter format
Note!
• Responses to read requests do not contain parameter attributes and indices/
subindices.
• When a multi-parameter read request is transmitted, the parameter format and the
parameter value are repeated "n" times, "n" being the number of parameters
requested.
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
0x01: Parameter has been read
Axis
U8
0x00 or 0x01
Number of indices
U8
0x"n" (n = number of parameters requested)
Byte 5
Byte 6
Format
Number of values
Field
Data type
Values
Format
U8
0x02: Integer8
0x03: Integer16
0x04: Integer32
0x05: Unsigned8
0x06: Unsigned16
0x07: Unsigned32
0x09: Visible string
0x0A: Octet string
0x40: Zero
0x41: Byte
0x42: Word
0x43: Double word
Number of values
U8
• 0x01
• Number of requested subindices. (If there is more
than one subindex, only the parameter value is
repeated.)
• In the case of string codes, the number of characters
is entered here.