Eaton MTL83*C Modbus, Software Manual

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9 INM MTL83xC PC Modbus Rev 1
DRAFT - 06 January 2019
After connecting a USB cable to the MTL838C and providing it power, the
Connection Status changes to:
Figure 3 - Connection status
This Connection Status indicates that the PC software is communicating over the
USB cable with the MTL838C – both LEDs are ON and the MTL838C word is green.
The MTL838C is not communicating with the MTL831Cs in the above image.
Once MTL831Cs are connected to the MTL838C, then their titles will turn
green as well.
As explained in the Background section for the MTL831C, #1 means Address 1 (no
address jumper on terminals 7 & 8) and #2 is Address 2 (a wire jumper between
terminals 7 & 8). There can be one or two MTL831Cs connected to a single
MTL838C and if there are two, they MUST have different address settings. The
address determines which MTL831C belongs to which Tab in the software. Mixing
them up or changing the jumpers may result in an unexpected configuration.
5 .1 Configuration Overview
It’s worth taking a minute to understand to overall philosophy of the MTL83xC
Configurator software.
To allow offline configuration (not being connected to the MTL838C while entering
the configuration data), we created two fields on the screen for every configuration
point. One of the fields is editable and the other is the displayed value from the
unit the PC software is communicating with. If it is not communicating with a
unit, then that field is blank. An example field is shown below. The dropdown is
the PC software setting and the gray box below it is the value read back from the
connected MTL838C. Not all tabs use the same color scheme but the principle is
the same.
There is a way to load and store configuration settings to your computer (see the
Menu Command section). With this capability, configurations can be carried out
ahead of time and stored until the units are installed and ready to program. The
configuration is then loaded from your computer and downloaded to the unit.
When a small change needs to be made to an already configured unit, you can first
connect to the unit and Upload its configuration, make the necessary modifications,
and then Download the updated configuration to the unit.