ProSoft Technology MVI69-HART User Manual
Page 113
MVI69-HART ♦ CompactLogix Platform
Reference
HART Multi-drop Master Communication Module
User Manual
ProSoft Technology, Inc.
Page 113 of 169
March 29, 2012
5.6.1 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
Bit 2
Analog Output Saturated
Bit 1
Variable (not Primary) Out Of Limits