GE AT600 User Manual page 105

Command 144 (0x90): Read Unit Group (cont.)
Byte
0 Unsigned-8
1 Enum
Table 26: Command-Specific Response Codes for Read Unit Group
Code
0 Success
1
2 Error
3-4
5 Error
6 Error
7-127
Command 145 (0x91): Read Density Value
This command will read density value in meter.
Byte
0 Unsigned-8
AT600 User's Manual
Table 25: Response Data Bytes for Read Unit Group
Format
Group index:
1: Velocity unit;
2: Actual Volumetric unit;
3: Standard Volumetric unit;
4: Mass unit;
5: Totalizer unit;
6: Density unit;
7: Pipe Dimension;
8: Thermal;
9: Acceleration;
unit code
Class
No Command-Specific Errors
Undefined
Invalid Selection
Undefined
Too Few Data Bytes Received
Device-Specific Command Error
Undefined
Table 27: Request Data Bytes for Read Density Value
Format
Density type:
1: Actual Density;
2: Reference Density;
Description
Description
Description
Chapter 5. Communication
93