2105824-001 rev. AA
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a. Sensor
name
b. Sensor unit number (or sensor or LevelMaster ID)
c. Baud
Rate
d. Coil length (sensor assembly length in inches)
4. Determine the RS485 bus termination configuration by checking the positions of
the jumpers on JP1 on the board (Figure 4):
a. Pins 5-6 and 9-10 are jumpered (factory default). The unit is an
intermediate sensor on the bus.
b. Pins 5-6, 7-8, and 9-10 are jumpered. The unit is the only sensor or the last
sensor on the bus.
Figure 4: RS485 termination
4.3.3 Save the configuration
To save the configuration in the laptop:
1. Select
the
Upload/Download
tab.
2. 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 the file keeps the .dat extension).
IMPORTANT NOTE:
The default path for the saved file depends on the
MasterLink version used. The files are automatically saved in the main
installation directory of each version. Make sure to take note of the
name of the file and the location chosen.
3. Click
Read and Save Data to File
.
4. Click
OK
when saving the configuration is complete.
5. Disconnect the laptop from the board.
4.4 Insert the new electronic board
This procedure connects the electronic board to the sensor assembly and positions
the board inside the enclosure. Make sure that the communication and power ports
are accessible for local connection from the laptop for configuration.
To install the new board:
1. Remove the cover from the electronic enclosure.
2. Remove the new board from the bag.
3. With the small slotted screwdriver remove the terminal connectors from the
power and communication (RS485) ports (Figure 5). Do not lose the connectors,
they will be needed for final wiring of the unit when placed back in the tank.
