9 Parameter data transfer
9.2 Reading parameters from the inverter
62
Lenze · E94AYCER communication module (PROFINET®) · Communication Manual · DMS 11.0 EN · 04/2016 · TD17
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
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.