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RS485 Modbus
JXBS-3001-PH-RS Soil PH Sensor User Manual
II. Hardware Connection
2.1 Check before installation
Product List:
2.2 Port Description
Wide voltage power input can be 12-24V. When connecting the 485 signal line,
please note that the two lines of A / B cannot be reversed, and the addresses
of multiple devices on the bus must not conflict.
Note: Please be careful not to connect the wrong wire sequence, the wrong
wiring will cause the device to burn.
The factory default provides 0.6 meters long wire, the customer can extend
the wire or connect according to the need.
Note that there may be no yellow line in the line sequence that may be
provided in some factory batches. In this case, the gray line is equivalent to
replace the yellow line.
2.3 Installation
Please note the following precautions:
1. Avoid installation in areas that are easy to transfer heat and directly cause
a temperature difference with the area to be measured, otherwise it will
cause inaccurate PH measurement.
2.Install in a stable environment, avoid direct sunlight, stay away from
windows and air-conditioning, heating and other equipment, and avoid
direct windows and doors.
