Instruction Manual

Appendix D: HART Protocol Overview 153
Table 3c (First Byte)
Table 3d (Second Byte)
Description
Bit 0 Primary variable out of limits
Bit 1 Non-Primary variable out of limits
Bit 2 Analog output #1 saturated
Bit 3 Analog output #1 fixed
Bit 4 More status available
Bit 5 Cold start
Bit 6 Configuration changed
Bit 7 Field device malfunction
Description
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
All 0
Note: Hexadecimal equivalents are quoted assuming only a single bit is
set. In reallity, several bits may be set simultaneously, and the hex digits
can be used together.
Code Meaning
8 Update Failed
Update In Progress
Set to Nearest Possible Value
9 Applied Process Too High
Lower Range Value Too High
Not In Fixed Current Mode
10 Applied Process Too Low
Lower Range Value Too Low
MultiDrop Not Supported
11 In MultiDrop Mode
Invalid Transmitter Variable Code
Upper Range Value Too High
12 Invalid Unit Code
Upper Range Value Too Low
13 Both Range Values Out of Limits
14 Pushed Upper Range Value Over Limit
Span Too Small