Lenze · E94AYCER communication module (PROFINET®) · Communication Manual · DMS 11.0 EN · 04/2016 · TD17
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9
Parameter data transfer
9.2
Reading parameters from the inverter
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9.2
Reading parameters from the inverter
Request header
Parameter attribute
Index and subindex
Note!
• When a read request is processed, no parameter value is written to the I/O device.
• In the case of a multi-parameter read request, parameter attribute, index, and
subindex are repeated "n" times, "n" being the number of parameters requested.
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 I/O controller.
Request identification
U8
0x01: Request parameters for reading
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)