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Parameter data transfer

Structure of the parameter data telegram

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

1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 153 154

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