Siemens SIMATIC 6DL1 136-6AA00-0PH1 - Page 98

HART command interface (Page 95)
Note
When "Number of Preamble Bytes" = 255, the number of preambles set with the parameters is
used. The default setting is 󹪝ve. You can recon󹪝gure the number of preamble bytes using the
HART-speci󹪝c settings.
HART-speci󹪝c settings (Page 106)
Structure of response data records 81 to 95
In case of response error
Byte Meaning Comment
0 Response control
1 HART group fault 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 error-free response
Byte Meaning Comment
0 Response control
1 HART group fault display
2…239 Response data according to HART speci󹪝ca‐
tion
Only present when "Response result" = 4 =
"Successful, with data"
"Response control" coding
Bits 0-2: Response result (processing status)
0 = Inactive
1 = Inactive (reserved)
2 = Waiting
3 = Waiting, executing
4 = Successful, with data
5 = Successful, without data
6 = Error, with data
7 = Error, without data
Bit 3: 0 = Burst mode not active;
Bit 4: 0 = Response data come directly from the HART device
Bit 5: 0 = Response data in transparent message format
Bit 6: 0 = SHC mode is not active
1 = SHC mode active
Bit 7: 0 = HART response
HART operating data records
A.3 HART request and response data records
F-AI 8xI 2-/4-wire HART HA
98 Equipment Manual, 09/2021, A5E50557845-AA