{"product_id":"rs232-ttl-uart-modbus-4-ch-relay-module-communication-4-channel-7-24v-relay-module","title":"RS232\/TTL UART Modbus 4 Ch Relay Module Communication 4-Channel 7-24V Relay Module","description":"\u003cdiv id=\"specification\"\u003e\u003c\/div\u003e\u003cdiv id=\"specification_end\"\u003e\u003c\/div\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cb\u003eDescription:\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cb\u003e\u003cspan style=\"background-color: rgb(255, 198, 156);\"\u003e\u003cfont color=\"#ff0000\"\u003e\u003ca href=\"http:\/\/myosuploads3.banggood.com\/products\/20250528\/20250528021005RTURS232.pdf\" target=\"_blank\"\u003e\u0026gt;\u0026gt;\u0026gt;Manual: Click here to open\u0026lt;\u0026lt;\u0026lt;\u003c\/a\u003e\u003c\/font\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e1. Onboard mature and stable 8bit MCU and MAX3232 level conversion chip;\u003cbr\u003e2. Communication protocol: support standard Modbus RTU protocol;\u003cbr\u003e3. Communication interface: support RS232\/TTL UART interface;\u003cbr\u003e4. Communication baud rate 4800\/9600\/19200, default 9600bps, support power-off saving;\u003cbr\u003e5. Optocoupler input signal range: DC3.3-24V (this input cannot be used for relay control);\u003cbr\u003e6. Output signal: relay switch signal, support manual, flash-on, flash-off mode, flash-on\/flash-off delay base is 0.1 S, the maximum flash-on\/flash-off time can be set to 0xFFFF*0.1S=6553.5S;\u003cbr\u003e7. Device address: range 1-255, default 255, support power-off saving;\u003cbr\u003e8. Baud rate, input signal, relay status, device address can be read using software\/commands;\u003cbr\u003e9. Onboard 4-way 5V, 10A\/250V AC 10A\/30V DC relay, can be continuously closed 100,000 times, with diode discharge protection, short response time;\u003cbr\u003e10. onboard relay switch indicator;\u003cbr\u003e11. power supply voltage: DC7-24V,;\u003cbr\u003e12. board size: 93*87mm, board weight: 92g;\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003cbr\u003eProduct Name: 4CH Modbus Relay Module\u003cbr\u003eWork voltage: DC 7V~24V \u003cbr\u003eLoad: AC 250V 10A or DC 30V 10A \u003cbr\u003ePtocoupler Input Signal: DC 3.3V~24V\u003cbr\u003eSet address: 1~255 \u003cbr\u003eInterface: RS232\/TTL UART\u003cbr\u003eControl channel: 4channel \u003cbr\u003eBaud Rate: 4800\/9600\/19600bps(Default 9600bps) \u003cbr\u003eWeight: 92g\u003cbr\u003eSize: 93*87mm\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e1. Support Modbus RTU protocol;\u003cbr\u003e2. Support RS232\/TTL UART interface\u003cbr\u003e3. Output indicator in multi mode;\u003cbr\u003e4. Address can be set\u003cbr\u003e5. Support input reverse connection protection\u003cbr\u003e6. Relay switch output;7.Support parameter memory function \u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage includes:\u003c\/b\u003e\u003cbr\u003e1 x 4 CH Relay Module \u003cbr\u003e\u003cbr\u003eOnly the above package content, other products are not included.\u003cbr\u003eNote: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.\u003c\/span\u003e\u003c\/p\u003e","brand":"ontproduct","offers":[{"title":"Default Title","offer_id":49120517554401,"sku":"BG-2034735","price":12.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/863d7503-d4b2-4cf8-b763-f7977575ccb0_5ee91d41-abdc-447f-a4a3-90f1c5b0d223.jpg?v=1789396732","url":"https:\/\/ontproduct.com\/products\/rs232-ttl-uart-modbus-4-ch-relay-module-communication-4-channel-7-24v-relay-module","provider":"IvySource","version":"1.0","type":"link"}