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HART Communications
4.3 Device Specific HART Commands
F US Clamp-on Communications Protocol Manual
Hardware Installation Manual, 11/2015, A5E34981613-AC
45
4.3
Device Specific HART Commands
Introduction
The following tables list the Device Specific HART Commands.
Commands
Command 28 - Read HART Variable Unit
Table 4- 32 Request
Description
Byte
Format
Comments/Value
HART_Device_Variable_Number
0
U-8
0-243
Table 4- 33 Response
Description
Byte
Format
Comments/Value
HART_Device_Variable_Number
0
U-8
0-243
Device Variable Value
1-2
U-16
Command 129 - Read HART Variable Float
Table 4- 34 Request
Description
Byte
Format
Comments/Value
HART_Device_Variable_Number
0
U-8
0-243
Table 4- 35 Response
Description
Byte
Format
Comments/Value
HART_Device_Variable_Number
0
U-8
0-243
Device Variable Value
1-4
Float
Command 130 Read HART Variable BIT
Table 4- 36 Request
Description
Byte
Format
Comments/Value
HART_Device_Variable_Number
0
U-8
Table 4- 37 Response
Description
Byte
Format
Comments/Value
HART_Device_Variable_Number
0
U-8
Device Variable Value
1
U-8
0/1