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terminal (red wire) to the positive contact on the battery holder to ensure that power flows to the board for the
connection.
4.
Start the MasterLink software.
5.
Select the location and the LevelMaster.
6.
Click the Comm. Port drop down list and select the laptop communication port used.
7.
Select the baud rate that was configured for the board. The default rate is 9600.
8.
Click Setup LevelMaster. The monitor tab displays.
9.
Observe the messages displayed on the monitor tab. Verify that communication is successful. The screen should indicate
the number of tries and 100% success. If the board has been completely removed, an error will display due to
disconnection from the internal sensor assembly.
Preserve sensor data and configuration
Sensor data and configuration stored on the LevelMaster can be saved in a separate file on a PC or laptop for backup purposes.
The configuration file can then be used to restore the configuration on the same board the file originated from or on a new board
(if the original board has failed or was upgraded). Reuse of an original file may be convenient to preserve the sensor's
calibration data. If the internal sensor assembly has not been replaced, then the same calibration information can be used when
the board or the float configuration are changed.
IMPORTANT NOTE: Follow this procedure after configuration is completed during first-time installation or after
configuration or hardware changes. It is important to maintain an up-to-date configuration file to be able to quickly
restore the unit to operation without the need for reconfiguration.
To save the configuration:
1.
Follow the steps described in section 8.8, Establish local communication with electronics board.
2.
When connection with the unit is successfully established, select the Upload/Download tab.
3.
Under Read data from the LevelMaster and save them to file, use the default path and file name displayed or select a
different path and/or user-defined file name. (Ensure that the file keeps the .dat extension.) Take note of the location
selected to save the file.
4.
Click Read and Save Data to File. Observe the progress bar as the configuration is copied to the file in the laptop.
5.
Click OK when saving the configuration is complete.
6.
Disconnect the laptop from the board.
7.
If no further maintenance or service procedure is required, restore the permanent wiring connections and secure the
enclosure cover back into place.
8.
If saving the configuration file for an upgrade or part replacement, proceed to the appropriate procedure.
Restore sensor data and configuration
If a configuration file was saved, it can be used to restore the configuration on the same electronics board the file originated from
or on a new board if the board was replaced or upgraded.
This procedure downloads the configuration to the board and overwrites the current configuration.
IMPORTANT NOTES: Using an existing file when the board is upgraded is acceptable and is meant to preserve
the calibration data (the sensor assembly remains the same during a board upgrade). See the LevelMaster
upgrade kit application guide for details on upgrade procedures.
A file created to preserve the factory calibration the unit was shipped with can also be used. If this file was saved
before configuration was performed however, it will not have the field configuration and the LevelMaster will have
LevelMaster 7100 User manual 2105835 Rev AA | 70
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Troubleshooting
