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OPERATION
MT100 HART Device Specific Commands
The MT100 Manufacturer Specific or Device Specific commands start at command 137. Use the device specific commands to setup and
configure the MT100 Series instrument via HART. The MT100 device specific commands are grouped in functional categories as
summarized in Table 9 below.
Group No.
Group 1
Group 2
Group 3
Group 4
Group 5
Table 10
below summarizes the instrument's HART Device Specific command set and the data associated with each command.
Command 137: Read Totalizer And Rollover Values
Request Data Bytes
Response Data Bytes
Response Codes
Command 138: Read Totalizer State
Request Data Bytes
Response Data Bytes
Response Codes
58
Table 9 – MT100 HART Device Specific Command Groupings
Commands to set up and configure the instrument.
Commands to set up 4–20 mA output channels including the OUTZ, and
OUTF parameters.
Commands to view individual FE process. The view is a snapshot of
sensor data at the time of the request; i.e., it does not update.
Commands to display the factory-set calibrated limit of the instrument for
flow, process temperature and pressure variables.
Other Category – Commands outside the above listed groups.
Table 10 – HART Device Specific Commands
Byte
Format
None
0–3
Float
4–7
Integer
Code
Class
0
Success
1–5
6
Error
7–127
Byte
Format
None
0
Unsigned-8
Code
Class
0
Success
1–5
6
Error
7–127
Description
Description
Totalizer
Rollover
Description
No Command-Specific Errors
Undefined
Device-Specific Command Error
Undefined
Description
Totalizer State: 0 = OFF; 1 = ON
Description
No Command-Specific Errors
Undefined
Device-Specific Command Error
Undefined
MT100 Multipoint Flow Meter
Command Numbers
137, 138, 139, 140, 145, 146,
148, 149, 150, 159
160, 161, 163, 164, 166, 167
170, 172, 174, 176
151, 154, 157
179, 180, 181, 182, 183, 184,
185,186, 187, 191. 193, 195
Fluid Components International LLC
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Troubleshooting
