Siemens SIMATIC 6DL1 136-6AA00-0PH1 - Page 99

"HART group fault display" coding
Bit number Meaning Explanation
0 More status information avail‐
able
(2nd HART status byte) You obtain more status informa‐
tion, if required, with HART command 48.
1 HART communication error The 󹪝eld device has detected a communication error
when receiving the command. The error information is
in the 󹪝rst HART status byte
2 Parameter check 0: HMD parameters unchanged
1: Check HMD parameters
3 Reserved Always 0
4…7 HART protocol error during re‐
sponse
0: Unspeci󹪝ed error
1: HMD error
2: Channel fault
3: Command error
4: Query error
5: Response error
6: Query rejected
7: Pro󹪝le query rejected
8: Manufacturer-speci󹪝c query rejected
9 - 15: Not used
"HART protocol error during response" coding
HART proto‐
col error dur‐
ing re‐
sponse
Meaning Explanation
0 Unspeci󹪝ed error Always 0
1 HMD error 0: Not speci󹪝ed
1: Internal communication error
2: Parameter assignment error
3: HW fault
4: Wait time expired
5: HART timer expired
6…127: Reserved
128…255: Manufacturer-speci󹪝c
2 Channel fault 0: Not speci󹪝ed
1: Line fault
2: Short-circuit
3: Open line
4: Low current output
5: Parameter assignment error
6…127: Reserved
128…255: Manufacturer-speci󹪝c
3 Command error 0-127: HART protocol,
Bit 7 = Always 0
HART operating data records
A.3 HART request and response data records
F-AI 8xI 2-/4-wire HART HA
Equipment Manual, 09/2021, A5E50557845-AA 99