3 telegram example: read request, Telegram example: read request, Communication manual 8400 protec profinet – Lenze E84DxxxxxxxxxR User Manual
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EDS84DPNET EN 4.0 - 11/2010
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Communication manual 8400 protec PROFINET
Parameter data transfer
Reading parameters from the controller
Error code
8.2.3
Telegram example: Read request
The heatsink temperature of the controller is to be read.
Code to be read: C00061
Heatsink temperature: 43 °C
Parameter request
Byte 7
Byte 8
Byte 9
Byte 10
Error code
Additional information (if available)
High byte
Low byte
High byte
Low byte
Field
Data type
Values
Error code
U16
0x0000 .... 0xFFFF
Error information (error) ( 51)
Additional information
(if available)
U16
Byte 1
Byte 2
Byte 3
Byte 4
Request reference
Job identification
Axis
Number of indices
0xXX
0x01
0x00
0x01
Request parameter for reading
Byte 5
Byte 6
Attribute
Number of subindices
0x10
0x00
Value
No subindex
Byte 7
Byte 8
Byte 9
Byte 10
Index
Subindex
High byte
Low byte
High byte
Low byte
0x5F
0xC2
0x00
0x00
Index = 24575 - code no. = 24575 - 61 = 24514 = 0x5F C2
No subindex