Bindicator SonoTracker Ultrasonic Liquid Level, Installation & Operation Manual, Page: 67 / 96

49 MODE
The current transmitter can be set up to output 0-20 mA or 4-20 mA. This menu is used to select one of the two
operating modes. The controller default current output mode is 4-20 mA.
Figure 23: PLC Menu Tree
50 SERIAL/PLC
The Serial/PLC Menu is used to set up serial communications through the microprocessor COM port between
the SonoTracker Series and external equipment, such as:
• PLC with a BASIC Module or a similar communication device
The controller can only be the slave to external equipment. The controller has one COM port for serial communications.
Refer to
Appendix E
for information on how to serially connect the controller to various external equipment.
51 SHOW ADDRESS
This parameter shows the current serial address of the displayed channel.
52 BAUD RATE
The SonoTracker Series controller’s built-in serial communications settings are 8 data bits, 1 stop, no parity.
These values are fixed, and cannot be modified by the user. The baud rate can be modified by the user. When
connecting the controller to external equipment, all of the serial communications settings must match for the
equipment to communicate. As necessary, modify the default setting for baud rate of the SonoTracker Series
controller. Modify the data bits, stop, and parity settings in the external equipment to match the controller’s built-
in settings. There are five baud rates (bits per second) available: 1200, 2400, 4800, 9600 (default), 19.2K
53 MONITOR
A diagnostic function which indicates current serial buffer contents. Consult factory for proper interpretation.
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SON280020 Rev. C