3 writing parameters to the drive, Writing parameters to the drive, 9parameter data transfer – Lenze E94AYCER User Manual
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Lenze · E94AYCER communication module (PROFINET®) · Communication Manual · DMS 9.0 EN · 12/2013 · TD17
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9
Parameter data transfer
9.3
Writing parameters to the drive
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9.3
Writing parameters to the drive
Request header
Parameter attribute
Index and subindex
Note!
• When a multi-parameter write request is processed, the parameter attribute, index,
subindex, and then the parameter format and parameter value are repeated "n"
times, "n" being the number of parameters requested.
• A parameter request must not exceed the maximum data length of 238 bytes.
Byte 1
Byte 2
Byte 3
Byte 4
Request reference
Request identification
Axis
Number of indices
Field
Data type
Values
Request reference
U8
This value is specified by the IO controller.
Request identification
U8
0x02: Write parameter
Axis
U8
0x00 or 0x01
Number of indices
U8
0x"n" (n = number of parameters requested)
Byte 5
Byte 6
Attribute
Number of subindices
Field
Data type
Values
Attribute
U8
0x10: Value
Number of subindices
U8
0x00 or 0x01
Byte 7
Byte 8
Byte 9
Byte 10
Index
Subindex
High byte
Low byte
High byte
Low byte
Field
Data type
Values
Index
U16
0x0001 ... 0xFFFF (1 ... 65535)
Subindex
U16
0x0001 ... 0xFFFF (1 ... 65535)