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INM MTL83xC PC Modbus Rev 4
5.4 Action Buttons
At the bottom of the channel area, there are three (3) buttons.
The following figure (4) shows what the tab would look like when
communicating with an MTL838C that has one MTL831C connected
to it that has been configured with all channels as “TC, K, Temp, CJC”.
Notice that no channels are connected (the Open status and high
invalid reading). The Calibration status of the MTL831C is shown below
it and should always be “Good” as they are factory calibrated. Channel
1 is the only selected channel as it is highlighted (blue).
Now that there is a connected system the Store to Device and Load to
Device buttons are active (blue). Pressing the Store to Device button
would configure all of the channels on the MTL831C as mV – and
pressing the Load from Device button would bring the configuration
in the MTL838C (for the MTL831C #1) into the PC software. See the
results of pressing these buttons in figures 5 and 6 respectively.
The Sign Off button is not active. This means that the configuration
is considered valid. A configuration becomes invalid when the Data
Format on the MTL838C tab is changed and stored to the unit. The
sign-off must then be initiated by this button in the PC software or
by the Modbus Host via a Coil Write. See the COIL STATUS FLAGS
section of the INM838C-MBF document for more information.
Figure 4 - MTL838C with one MTL831C connected configured TC, K, Temp, CJC
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