Eaton MTL83*C Modbus Software Manual

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Eaton MTL83*C Modbus Software Manual Manual pdf 21 page image

17INM MTL83xC PC Modbus Rev 1DRAFT - 06 January 20195 4 Action ButtonsAt the bottom of the channel area, there are four (4) buttons. Onlyone of them is active (blue) because there is no MTL838C currentlycommunicating. This is the Reset Configs button. If pressed, it willreset all 16 channels in the current tab to their defaults – which are asshown in Figure 3 above (Input Type = mV, Safety Drive = None, Gain =1, the remaining fields = 0).The following figure (4) shows what the tab would look like whencommunicating with an MTL838C that has one MTL831C connectedto it that has been configured with all channels as “TC, K, Temp, CJC”.Notice that no channels are connected (the Open status and highinvalid reading). The Calibration status of the MTL831C is shown belowit and should always be “Good” as they are factory calibrated. Channel1 is the only selected channel as it is highlighted (blue).Now that there is a connected system the Download and Uploadbuttons are active (blue). Pressing the Download button wouldconfigure all of the channels on the MTL831C as mV – and pressing theUpload button would bring the configuration in the MTL838C (for theMTL831C #1) into the PC software. See the results of pressing thesebuttons in figures 5 and 6 respectively.The Sign Off button is not active. This means that the configurationis considered valid. A configuration becomes invalid when the DataFormat on the MTL838C tab is changed and downloaded to the unit.The sign-off must then be initiated by this button in the PC softwareor by the Modbus Host via a Coil Write. See the COIL STATUS FLAGSsection of the INM838C-MBF document for more information.Figure 4 - MTL838C with one MTL831C connected configured TC, K, Temp, CJC