Chapter 5. Communication
100 AT600 User’s Manual
Command 168 (0xA8): Enter / Exit Fixed Loop Current
Enter or exit the fixed mode of loop current.
Table 48: Request Data Bytes for Enter / Exit Fixed Loop Current
Byte Format Description
0 Unsigned-8 Fixed current level:
0: Exit Fixed Loop Current; 1: Fixed 4 mA; 2: Fixed 20mA; 3: Fixed
Percentage of Scale
Table 49: Response Data Bytes for Enter / Exit Fixed Loop Current
Byte Format Description
0 Unsigned-8 Fixed current level:
0: Exit Fixed Loop Current; 1: Fixed 4 mA; 2: Fixed 20mA; 3: Fixed
Percentage of Scale
Table 50: Command-Specific Response Code for Enter / Exit Fixed Loop Currents
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
7Error In Write Protect Mode
8 - 10 Undefined
11 Error Loop Current Not Active
12 - 15 Undefined
16 Error Access Restricted
17-31 Undefined
32 Error Busy
33 - 127 Undefined
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