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196 Rockwell Automation Publication 1756-UM533C-EN-P - February 2011
Appendix C Additional HART Protocol Information
If no error was detected in the outgoing communication, the second byte
contains status information pertaining to the operational state of the field or slave
device.
0 8 Update Failed - Update In Progress - Set to Nearest Possible Value
0 9 Applied Process Too High - Lower Range Value Too High - Not In Fixed Current Mode
0 10 Applied Process Too Low - Lower Range Value Too Low - MultiDrop Not Supported
0 11 In MultiDrop Mode - Invalid Transmitter Variable Code - Upper Range Value Too High
0 12 Invalid Unit Code - Upper Range Value Too Low
0 13 Both Range Values Out of Limits
0 14 Pushed Upper Range Value Over Limit - Span Too Small
0 16 Access restricted
0 32 Device busy
0 64 Command not implemented
Table 73 - Response Codes and Field Device Status (Continued)
Response Code Description
If Bit 7 is And Bits
6…0 are
Table 74 - Field Device Status Bit Mask Definitions
Bit Bit Mask Definition
7 16#80 Device malfunction - The device detected a serious error or failure that compromises device operation
6 16#40 Configuration changed - An operation was performed that changed the device’s configuration
5 16#20 Cold start - A power failure or device reset occurred
4 16#10 More status available - More status information is available via command 48, Read Additional Status Information
3 16#08 Loop current fixed - The loop current is being held at a fixed value and is not responding to process variations
2 16#04 Loop current saturated - The loop current has reached its upper or lower endpoint limit and cannot increase or decrease any further
1 16#02 Non-primary variable out of limits - A device variable not mapped to the PV is beyond its operating limits
0 16#01 Primary variable out of limits - The PV is beyond its operating limit
IMPORTANT
The 16# means this number is Hex display style.