Bornay WIND+ Manual De Instrucciones página 41

GND, IN1, IN2: These are 2 digital inputs TTL. At the
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present time, these inlets are not used.
NO, COM, GND: This outlet is a potential-free relay
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- Connector 3: This connector has 2 functions:
Pin 1: NC (Not Connected)
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The other pins: port RS485A.
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- Connector 4: This connector has 2 functions:
Pin 1: NC (Not Connected)
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The other pins. Port RS485B.
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