{"product_id":"modbus-rtu-relay-module-1-2-4-channel-7-24v-rs485-ttl-uart-output-12v-input-485-communication-ttl-pin-modbus-rtu-anti-reverse","title":"Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL Pin Modbus-Rtu Anti-reverse","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYour Cee\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eEU LVD Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLow voltage: Below 50Vac or 75Vdc\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModbus RTU Relay Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePower Source\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDC,DC\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eProtect Feature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSealed\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTheory\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage relay\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eUse\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eProtective\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eVoltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eOne-way\/two-way\/four-way Modbus relay module equipped with mature and stable 8-bit \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eMCU and RS485 level communication chip. RS485 communication using standard MODBUS RTU format Communication protocol, can realize 1\/2\/4 input signal detection, 1\/2\/4 relay output, can be used for digital detection or power control occasions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eNote: The module has no switch function, and requires careful purchase of switch control relays \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e1. Onboard mature and stable 8 bit MCU and MAX485 level conversion chip \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e2. Communication protocol: support standard ModbusRTU protocol \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e3. Communication interface: support RS485\/TTL UART to C] \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e5. Communication baud rate: 4800\/9600\/ 19200, default 9600bps, support power-down save \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e6. Optocoupler input signal range: DC3.3-30V (this input cannot be used for relay control) \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e7. Output signal: relay switch signal, support manual, flash off, flash off mode, flash off\/flash \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eThe delay base of the off-time is 0.1S, and the maximum flash-off\/flash-off time can be set to \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e0 XFFFF*0.1S=65535*0.1s=6553.5s \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e8. Device address: range 1-255, default 255, support power-down save. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e9. Board 1 channel 5V, 10A\/250V AC 10A\/30V DC relay, which can be continuously pulled in 100,000 times, \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eWith diode bleed protection, short response time \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e10. Onboard relay switch indicator light \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e11. Power supply voltage: DC7-24V, with input reverse polarity protection\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg width=\"750\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sd9be07152a2847db8bf1eb37d715bea0N.png\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e1. VCC, GND: DC7-24V power input \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e2. DC3.3-30V optocoupler signal input: \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eN1 : Channel 1 positive \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eN2: Channel 2 positive \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eGND_ IN: Common terminal negative \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e3. A+, B-: RS485 communication interface, A+, B- are connected to A+, B- of external control terminal respectively \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e4. Relay 1 switch signal output \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eNC1; normally closed terminal, short-circuit with COM1 before the relay picks up, and hangs after picking up; \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eCOM1: public terminal; \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eNO1: Normally open, the relay is suspended before closing, and short-circuited with COM1 after closing. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e5. Relay 2 switch signal output \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eNC2: Normally closed terminal, short-circuit with COM2 before the relay picks up, and hangs after picking up; \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eCOM2: public terminal; \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eNO2: Normally open, the relay is suspended before closing, and short-circuited with COM2 after closing. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e6. Relay indicator light: light up when the relay is closed \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e7. GND, RXD, TXD: TTL level UART communication interface, GND, RXD, \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eTXD is connected to GND, TXD, RXD of external control terminal respectively\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S7a89ae1aab4a4cc586d9dc5ceb9138f5o.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4899861aa2c94ce88c483caf88acb702B.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8479d66f0a4d4cbaafd10bd20803a24fs.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sfaa13eb080de45c5a305d2a4a791c4a5z.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Yoeruyo","offers":[{"title":"1 Channel","offer_id":55514615677227,"sku":"5:144170022#1 Channel","price":14.8,"currency_code":"USD","in_stock":true},{"title":"4 Channel","offer_id":55514615709995,"sku":"5:200004182#4 Channel","price":30.8,"currency_code":"USD","in_stock":true},{"title":"2 Channel","offer_id":55514615742763,"sku":"5:200004763#2 Channel","price":20.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S7a89ae1aab4a4cc586d9dc5ceb9138f5o.webp?v=1789012810","url":"https:\/\/yoeruyo.com\/products\/modbus-rtu-relay-module-1-2-4-channel-7-24v-rs485-ttl-uart-output-12v-input-485-communication-ttl-pin-modbus-rtu-anti-reverse","provider":"Yoeruyo","version":"1.0","type":"link"}