It is used to convert digital or analog signal into Modbus RTU RS485 to enable it as an interface with the host, which can be PLC/SCADA or IIoT gateway.
Digital signals can be potential free contacts or PNP outputs from any switch and analog signals are 4-20 mA from any transmitter.
It is microcontroller based circuitry; four isolated switching inputs; isolated loop powered input 4-20mA; isolated RS485 output with isolated auxiliary 24 VDC supply for transmitter or switch; easy selection of slave ID & baud rate through DIP switch; power supply 90-270 VAC or 24 VDC; enclosure wall mounted WP IP65 or Ex-d Gr IIB.
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