OPERATION MT100 Multipoint Flow Meter
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.
Table 9 – MT100 HART Device Specific Command Groupings
Commands to set up and configure the instrument.
137, 138, 139, 140, 145, 146,
148, 149, 150, 159
Commands to set up 4–20 mA output channels including the OUTZ, and
OUTF parameters.
160, 161, 163, 164, 166, 167
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.
179, 180, 181, 182, 183, 184,
185,186, 187, 191. 193, 195
Table 10 below summarizes the instrument’s HART Device Specific command set and the data associated with each command.
Table 10 – HART Device Specific Commands
Command 137: Read Totalizer And Rollover Values
No Command-Specific Errors
Device-Specific Command Error
Command 138: Read Totalizer State
Totalizer State: 0 = OFF; 1 = ON
No Command-Specific Errors
Device-Specific Command Error
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