Panametrics HydroProII, User Manual

Page: 79 / 104

HygroPro
II
User's Manual 67
Appendix A. HygroPro
II
HART
®
Field Device Specification
Response Data Bytes
Command-Specific Response Codes
A.9.32 Command 173 (0xAD): Read Loop Current Percentage
This command is to set the output percentage of loop 1 current.
This command reads the output to a user determined percent of the 4-20 mA output.
Examples: 0 pct = 4 mA, 50% = 12 mA, and 100% = 20 mA.
Request Data Bytes
Response Data Bytes
Command-Specific Response Codes
Byte Format Description
0 Unsigned-8 Enumeration. 0 = Fixed 20 mA trim, 1 = Live mA
Read for live analog output or fixed 4 mA for trim purposes
1~4 Float mA correction Value
Code Class Description
0 Success No Command-Specific Errors
1-4 Undefined
5 Error Too Few Data Bytes Received
6 Error Device-Specific Command Error
7 Error In Write Protect Mode
8-15 Undefined
16 Error Access Restricted
8-127 Undefined
Byte Format Description
0
Byte Format Description
0 Unsigned-8 Enumeration. 0 = Fixed percent test, 1 = Live mA
Sets live analog output or fixed mA value
1~4 Float Loop Current Percentage, units of percent.
Code Class Description
0 Success No Command-Specific Errors
1-2 Undefined
3 Error Passed Parameter Too Large
4 Error Passed Parameter Too Small
5 Error Too Few Data Bytes Received