RS485/Modbus RTU 2 채널 릴레이
(RS485/Modbus RTU 2 Channel Relay)
개요
- 본 제품은 RS485/Modbus RTU 2 채널 릴레이 입니다.
- RS485/Modbut RTU를 통해서 명령을 주어 릴레이를 제어할 수 있습니다.
- 명령어는 문서섹션의 링크를 참고 하시면 됩니다.
- 동작전압은 DC7-24V입니다.
특징
- 1, VCC, GND: dc7-24v power input;
2, IN, GND: dc3.3-30v optocoupler signal input;
3, A+, B- : RS485 communication interface, A+, B- connect to external control terminal A+, B-;
4. Relay switch signal output:
NC: normally closed end, short connection with COM before the relay closes, and suspension after the relay closes;
COM: common terminal;
NO: normal start, suspended before relay suction, short connection with COM after suction.
5. Relay indicator light: it is lit when the relay is closed;
GND, RXD, TXD: TTL level UART communication interface, GND, RXD, TXD are connected to GND, TXD, RXD of external control terminal respectively