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How to Connect RS-232+RTC+Relay board to JWE Weighing Scale Jun 17, 2022

Is it possible to connect external devices to JWE weighing scale? yes, you can connect them through RS232+RTC+Relay board.

How to Connect RS-232+RTC+Relay board to JWE weighing scale?


CN7: It is for switch

CN4: It is for RS-232

CN5: It is for RTC


1. Link4 cable of RS-232 connects CN4 connector on the mainboard

2. Link3 cable of RTC connects CN5 connector on the mainboard

3. Link3 cable of Relay connects CN7 on the mainboard.


What external devices can be connected through RS-232 board?

Printer, PC, large LED display


What external devices can be connected through Relay board?

Light tower


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