
LevelMaster 7100 User manual 2105835 Rev AA
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2.
If using a USB port on the laptop, connect the RS-485-to-RS-232 converter cable to the Digi
®
Edgeport/1 USB Converter
(USB-to-serial adapter).
3.
Connect the red wire connector to the positive terminal on the cable battery. The cable battery supplies the power to the
board during local communication.
Connecting the laptop to the LevelMaster
This procedure removes the board from the enclosure for convenience. During local communication, the board does not need to
be powered from a source other than the battery on the cable used for connection with the laptop.
CAUTION – Equipment damage.
A static electric discharge can result in damage to the electronics board. Wear
a grounding strap to eliminate static electricity when connecting or disconnecting terminal connectors to and from
the board or when handling the board during removal. Use an anti-static bag to store the board if moved.
To connect the laptop to the board:
1.
Remove the power and communication terminal connectors from the board. Removing the plugs does not disturb the
wiring previously completed.
2.
Remove the board from the enclosure.
3.
Using the correct cable and adapters, connect the laptop to the board (Figure 38).
a.
Plug the communication and power connectors of the cable to their corresponding ports on the board.
b.
Plug the RS-232-to-RS-485 converter to the USB converter (if using the laptop USB port).
c.
Plug the USB converter to the USB port on the laptop.
Figure 38: Connecting the laptop to the electronics board
IMPORTANT NOTES:
For boards part number 2018546-005 (legacy boards), the MasteLink cable will not operate
with the fourth jumper installed (JP1 pins 7 and 8 jumpered on the only or last sensor). Remove this jumper when
connecting directly to the electronics board for local communication (during configuration). Once configuration is
complete and local communication is terminated, the jumper can be placed again as required for the terminating
sensor. See section 4.1.3,
Onboard termination jumpers (legacy boards only)
.
4.
Proceed to configure the board as described in section 5.3,
Configuring the first LevelMaster.
Configuring the first LevelMaster
Initial configuration of the LevelMaster includes basic parameter configuration and calibration. The procedures in this section
configures the LevelMaster to be able to communicate with the host controller and additional devices and to adjust level
readings to reflect field conditions and manual measurements. If wishing to save the factory configuration and calibration data
before making any changes, perform the procedure in section 8.9,
Preserve sensor data and configuration
D9
D18
D19
J12
1
3
J11
POWER
SENSOR
EARTH
Cable Adapter
2100250-002
RS485/RS232
Converter cable
2100241-005
1 9 V Battery
Digi
®
Edgeport/1
USB Converter
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Page 48: ...LevelMaster 7100 User manual 2105835 Rev AA 38 Figure 35 Grounding the electronics board ...