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
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Relay 1 on
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var b =
Buffer.from([0x01,0x05,0x00,0x00,0xff,0x00,0x8c,0x3a]);
msg.payload=b;
return msg;
|
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Relay 2 off
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var b =
Buffer.from([0x01,0x05,0x00,0x01,0x00,0x00,0x9c,0x0a]);
msg.payload=b;
return msg;
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Relay 2 on
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var b =
Buffer.from([0x01,0x05,0x00,0x01,0xff,0x00,0xdd,0xfa]);
msg.payload=b;
return msg;
|
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Relay 3 off
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var b =
Buffer.from([0x01,0x05,0x00,0x02,0x00,0x00,0x6c,0x0a]);
msg.payload=b;
return msg;
|
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Relay 3 on
|
var b =
Buffer.from([0x01,0x05,0x00,0x02,0xff,0x00,0x2d,0xfa]);
msg.payload=b;
return msg;
|
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Relay 4 off
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var b =
Buffer.from([0x01,0x05,0x00,0x03,0x00,0x00,0x3d,0xca]);
msg.payload=b;
return msg;
|
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Relay 4 on
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var b =
Buffer.from([0x01,0x05,0x00,0x03,0xff,0x00,0x7c,0x3a]);
msg.payload=b;
return msg;
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