Analog modules
9.3 SM 336; F-AI 6 x 0/4 ... 20 mA HART
Fail-safe signal modules
Installation and Operating Manual, 01/2010, A5E00085586-10
293
Table 9- 30 HART protocol error in reply byte 2 for the reply from the field device to the module (error
code)
Error HART protocol error in byte 2 Meaning
0 Unspecified error 0: Not specified
1 HMD error 0: Unspecified
1: Internal communication error
2: Parameter assignment error
3: HW error
4: Wait time expired
5: HART timer expired
2 Channel fault 0: Unspecified
1: Line error
2: Short circuit
3: Open line
4: Low current output
5: Parameter assignment error
3 Command error 0 - 127: HART protocol,
Bit 7=0
4 Query error HART protocol, Bit 7=1
Bit 0: Reserved
Bit 1: Receive buffer overflow
Bit 2: Reserved
Bit 3: Checksum error
Bit 4: Frame error
Bit 5: Overflow error
Bit 6: Parity error
Bit 7: 1
5 Reply error HART protocol, Bit 7=1
Bit 0: GAP timeout
Bit 1: Receive buffer overflow
Bit 2: Timeout
Bit 3: Checksum error
Bit 4: Frame error
Bit 5: Overflow error
Bit 6: Parity error
Bit 7: 1
6 Query rejected 0: Unspecified
1: Short format not supported
2: SHC not supported
3: Impermissible command
4: No resources
7 Profile query rejected 0: Not specified (not supported)
8 Vendor-specific query rejected 0: Not specified (not supported)
See also
Integration of the HART field devices (Page 281)
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