Jntech JNP11KH-V5 - Page 44

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Figure6-10 Communication connection terminal
The com part of the machine panel and the water level sensor use the same terminal
block, and the pin definitions are shown in the table below:
Table 6-5 COM terminal pin definition on machine panel
Terminal（SENSOR）
pin
Detail
VCC
+5V power supply
A
RS485 communication port A.
B
RS485 communication port B.
GND
Electrical grounding