Siemens SIMATIC ET 200SP HA - HART function

Bit 5: 0 = Transparent format
1
1 = Compact format
Bit 6: 1 = Enable SHC mode
2
Bit 7: 0 = HART Request
1
HART commands are processed by the I/O module in both transparent message format and
compact message format. However, the response data from the module is always made
available in transparent message format.
2
Processing of a sequence of HART commands as an SHC sequence a󹪜ects all other channels
with HART enabled.
HART command interface (Page 73)
Note
When "Number of Preamble Bytes" = 255, the number of preambles set with the parameters is
used. The default setting is 󹪝ve. You can re-con󹪝gured the number of preamble bytes using the
HART-speci󹪝c settings.
HART-speci󹪝c settings (Page 82)
Structure of response data records 81, 83, 85, 87
In case of response error
Byte Meaning Comment
0 Response control
1 HART group error display
2 Protocol error
3…239 Response data according to HART speci󹪝ca‐
tion
Only present when "Response result" = 6 =
"Error, with data"
In case of response error
Byte Meaning Comment
0 Response control
1 HART group error display
2…239 Response data according to HART speci󹪝ca‐
tion
Only present when "Response result" = 4 =
"Successful, with data"
HART operating data records
B.2 HART job and response data records
AI 4xI 2-/4-wire HART ISOL HA
Equipment Manual, 07/2022, A5E50101523-AB 75