Lenze · Decentralised frequency inverter 8400 motec (AS-Interface option) · EDS84DMOTASI EN 5.0 - 02/2019
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Parameter data transfer
CTT2: Block parameter transfer
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
9.5.2
Write mode
• Acyclic write request from master to slave:
• Response from slave to master is OK:
• Response from slave to master has failed:
• After the acyclic write request (index 0x13 (19)) has failed, the master sends error codes.
• Then the write request from master to slave with the index
0x29
(41) is repeated.
• The slave sends the parameter values in code
Byte
Contents / value
0
CTT2: Code
• Index
0x13
(19): Acyclic write request
1
CTT2: Index
• Index
0x28
(40): Write parameter
2
CTT2: Number of bytes
•
0x41
(65)
3
Reserved
4 ... 7
Double word 1
• Value of the parameter in code
...
...
64 ... 67
Double word 16
• Value of the parameter in code
Byte
Contents / value
0
CTT2: Code
• Index
0x53
(83): Acyclic write request is OK.
• All the parameters were written.
Byte
Contents / value
0
CTT2: Code
• Index
0x93
(147): Acyclic write request is not OK.
• Read exception list (index
0x29
(41))
1
CTT2: Standard error code
2
Error code (MSB)
3
Error code
4
Error code
5
Error code (LSB)
CTT2: Acyclic device error codes (
Note!
Faulty writing of parameter sets can change single parameters.