Parameter data transfer – Lenze EMF2178IB User Manual
Page 75
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Parameter data transfer
Structure of the parameter data telegram
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75
EDSMF2178IB EN 3.0
Error messages
User data (up to 8 bytes)
Byte 1
2nd byte
3rd byte
Byte 4
Byte 5
Byte 6
7th byte
Byte 8
Command
Index
Low byte
Index
High byte
Subindex
Error code
ƒ
Byte 1:
Code 128 or 0x80 in the command byte indicates that an error has occurred.
ƒ
Bytes 2 ... 4:
These bytes contain the index (bytes 2 and 3) and the subindex (byte 4) of the code
in which the error has occurred.
ƒ
Bytes 5 ... 8:
The data bytes 5 ... 8 contain the error code. The error code is described in reversed
direction compared to the read direction.
Example: Representation of the error code 0x06040041 in bytes 5 ... 8
Read direction of error code
0x41
0x00
0x04
0x06
Byte 5
Byte 6
7th byte
Byte 8
Low word
High word
Low byte
High byte
Low byte
High byte