2 response after a read error, Response after a read error, Communication manual 8400 protec profinet – Lenze E84DxxxxxxxxxR User Manual
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Communication manual 8400 protec PROFINET
Parameter data transfer
Reading parameters from the controller
42
L
EDS84DPNET EN 4.0 - 11/2010
Parameter value
8.2.2
Response after a read error
Response header
Parameter format
Byte 7
Byte 8
Byte 9
Byte 10
Value
Field
Data type
Values
Value
String
Any
U8
0x00 .... 0xFF
U16
0x0000 .... 0xFFFF
U32
0x0000 0000 .... 0xFFFF FFFF
Byte 1
Byte 2
Byte 3
Byte 4
Request reference
(mirrored)
Response identifier
Axis
(mirrored)
Number of indices
Field
Data type
Values
Request reference
U8
Mirrored value of parameter request
Response identifier
U8
0x81: Parameter not read
• The data in bytes 7 + 8 are to be interpreted as error
code.
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
0x44: Error
Number of values
U8
0x01: Error code without additional information
0x02: Error code with additional information