2021年10月23日 星期六

Node-Red Serial Out Control 4Port Relay

 Node-Red Serial Out Control 4Port Relay 

https://www.ruten.com.tw/item/show?21904711229817

316201"C倉庫"Modbus RTU 4路繼電器模組12V 四路開關量輸入 光耦隔離 RS485 W8.19012








Relay 1 on

var b = Buffer.from([0x01,0x05,0x00,0x00,0xff,0x00,0x8c,0x3a]);

msg.payload=b;

return msg;

Relay 2 off

var b = Buffer.from([0x01,0x05,0x00,0x01,0x00,0x00,0x9c,0x0a]);

msg.payload=b;

return msg;

Relay 2 on

var b = Buffer.from([0x01,0x05,0x00,0x01,0xff,0x00,0xdd,0xfa]);

msg.payload=b;

return msg;

Relay 3 off

var b = Buffer.from([0x01,0x05,0x00,0x02,0x00,0x00,0x6c,0x0a]);

msg.payload=b;

return msg;

Relay 3 on

var b = Buffer.from([0x01,0x05,0x00,0x02,0xff,0x00,0x2d,0xfa]);

msg.payload=b;

return msg;

Relay 4 off

var b = Buffer.from([0x01,0x05,0x00,0x03,0x00,0x00,0x3d,0xca]);

msg.payload=b;

return msg;

Relay 4 on

var b = Buffer.from([0x01,0x05,0x00,0x03,0xff,0x00,0x7c,0x3a]);

msg.payload=b;

return msg;

 

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