ProSoft Technology 5228-DFNT-HART - Manual (Page 88)

Reference ProLinx-HART ♦ ProLinx Gateway
Driver Manual HART Master with Analog I/O
Page 88 of 104 ProSoft Technology, Inc.
October 13, 2011
Protocol Error Codes
These are error codes that are part of the HART protocol. The standard HART error
codes are shown in the following tables:
Error Code Word
First Byte Second Byte
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
Bit 7 of First Byte = 1
COMMUNICATION ERROR
First Byte
Bit 6
Parity Error
Bit 5 Overrun Error
Bit 4 Framing Error
Bit 3 Checksum Error
Bit 2 Reserved
Bit 1 Rx Buffer Overflow
Bit 0 Undefined
Second Byte
Bit 0 To Bit 7
All 0
Bit 7 of First Byte = 0
Command Error
First Byte
Bits 6 To 0 (not Bit-mapped):
0
No Error
1 Undefined
2 Invalid Selection
3 Passed Parameter Too Large
4 Passed Parameter Too Small
5 Too Few Data Bytes Received
6 Transmitter-specific Command Error
7 In Write-protect Mode
8 to 15 Command Specific Errors (see Below)
16 Access Restricted
32 Device Is Busy
64 Command Not Implemented
Second Byte
Bit 7
Device Malfunction
Bit 6 Configuration Changed
Bit 5 Cold Start
Bit 4 Unused
Bit 3 Output Current Fixed