Lenze 8400 motec Series - User Data Structure

Parameter data transfer
User data
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Lenze · Decentralised frequency inverter 8400 motec (CANopen option) · EDS84DMOTCAN EN 4.0 - 02/2019
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9.2 User data
Structure of the user data of the parameter data telegram
The following subchapters provide detailed information on user data.
9.2.1 Command
The following commands can be transmitted or received for writing and reading the parameters:
1st byte 2nd byte 3rd byte 4th byte 5th byte 6th byte 7th byte 8th byte
Command Index Subindex Data 1 Data 2 Data 3 Data 4
Low byte High byte Low word High word
Low byte High byte Low byte High byte
 Note!
For the user data, the Motorola format is used.
Parameter data telegram examples
( 59)
1st byte 2nd byte 3rd byte 4th byte 5th byte 6th byte 7th byte 8th byte
Command Index Subindex Data 1 Data 2 Data 3 Data 4
Low byte High byte Low word High word
Low byte High byte Low byte High byte
Command 1st byte Data length Info
hex dec
Write request 0x23 35 4 bytes Writing a parameter to the inverter.
0x2B 43 2 bytes
0x2F 47 1 byte
0x21 33 Block
Write response 0x60 96 4 bytes Acknowledgement from the inverter to a write request.
Read request 0x40 64 4 bytes Reading a parameter from the inverter.
Read response 0x43 67 4 bytes Response by the inverter to a read request with the current
parameter value.
0x4B 75 2 bytes
0x4F 79 1 byte
0x41 65 Block
Error response 0x80 128 4 bytes Response by the inverter if the write/read request could not
be executed correctly.
Error messages
( 57)