humidity and dusty places. The installation location should be far away from strong electromagnetic interference sources,
such as large motors, transformers, etc., to prevent electromagnetic interference affecting the normal operation of the module.
2. Electrical connection: Be sure to disconnect the power supply before wiring, and make correct wiring in strict accordance with the wiring diagram.
Ensure that the wiring is solid, to avoid loose, short-circuit and other problems.
Pay attention to the distinction between the input and output terminals and the wiring of different channels to prevent the connection of the module.
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