Siemens SIMATIC ET 200iSP

Bit number Meaning Explanation
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 protocol
error during 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
4 Query error Bit 0 = 0: Reserved
Bit 1 = 1: Receive bu󹪜er over󹪞ow
Bit 2 = 0: Reserved
Bit 3 = 1: Checksum error
Bit 4 = 1: Framing error
Bit 5 = 1: Over󹪞ow error
Bit 6 = 1: Parity error
Bit 7 = 1: Reserved
Appendix
A.6 HART operating data records
ET 200iSP
Operating Instructions, 11/2022, A5E00247483-AK 455