{"product_id":"4-channel-rs485-relay-module-modbus-rtu-at-command-remote-control-switch-for-plc-ptz-smart-home-security-dc-12v","title":"4 Channel RS485 Relay Module Modbus RTU AT Command Remote Control Switch for PLC PTZ Smart Home Security DC 12V","description":"\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/myosuploads3.banggood.com\/products\/20200317\/202003170352094RS485ce040.rar\"\u003e\u003cspan style=\"color:#ff0000;\"\u003e\u0026gt;\u0026gt;\u0026gt;Manual: Click here to open\u0026lt;\u0026lt;\u0026lt;\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eDescription: \u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e1. DC 12V power supply (voltage range 9-13V ) \u003c\/div\u003e\u003cdiv\u003e2. Standby current (all relays closed) 11-13MA, 1 relay open 44MA, 2 relays open 77MA, 3 relays open 110MA,4 relays open 140MA \u003c\/div\u003e\u003cdiv\u003e3. \"open\" \"close\"  \"Momentary\" \"Self-locking\" \"Interlock\" \"Delay\" \"Read\" 7 Commands\u003c\/div\u003e\u003cdiv\u003e4. Two instruction-control mode : AT command and MODBUS command\u003c\/div\u003e\u003cdiv\u003e5. Under the AT command ,the maximum delay is 9999 seconds Under the MODBUS command ,the maximum delay is 255 seconds\u003c\/div\u003e\u003cdiv\u003e6. AT commands can be made serial HyperTerminal (serial assistant) Enter;MODBUS commands can be made serial HyperTerminal (serial assistant)  OR \"Modbus Poll\" Enter;\u003c\/div\u003e\u003cdiv\u003e7.  Under the MODBUS command mode, it can support up to 32 devices in parallel \u003c\/div\u003e\u003cdiv\u003e8. Size: 80 x47 x 19.5 mm  \u003c\/div\u003e\u003cdiv\u003e9. Maximum load: 10A \/ 250VAC, 10A \/ 125VAC, 10A \/ 30VDC, 10A \/ 28VDC, 10A \/ 12VDC\u003c\/div\u003e\u003cdiv\u003e  \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e- Automated industry PLC\u003c\/div\u003e\u003cdiv\u003e- Smart Home,Home Automation ,Wiser Home;\u003c\/div\u003e\u003cdiv\u003e- Identification system;\u003c\/div\u003e\u003cdiv\u003e- Motor FW \u0026amp; BW\u003cbr\u003e \u003c\/div\u003e\u003cdiv\u003e\n\u003cdiv data-spm-anchor-id=\"a2g0o.detail.1000023.i2.35a13ed1hMdyg3\"\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eTypical Applications:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e \u003c\/div\u003e\n\u003cdiv\u003e1. AT command mode (A5 = OFF), in this mode can be through the serial HyperTerminal (serial assistant) enter a simple AT command control relay. AT command mode time up to 9999 seconds \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1QBCxLpXXXXbVXXXXq6xXFXXXu\/221872405\/HTB1QBCxLpXXXXbVXXXXq6xXFXXXu.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e2. MODBUS command mode (A5 = ON), you can control a variety of ways: Serial Hyper Terminal Control (need to manually add the CRC), Modbus Poll software control (software automatically add the CRC), PLC or MCU process control\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB18vKzLpXXXXbEXXXXq6xXFXXXK\/221872405\/HTB18vKzLpXXXXbEXXXXq6xXFXXXK.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1jp5kLpXXXXcaXFXXq6xXFXXX3\/221872405\/HTB1jp5kLpXXXXcaXFXXq6xXFXXX3.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eWiring Diagram:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"\"\u003e1. DC 12V control circuit,Wiring diagram below. \"LOAD\" may be camera,LED lights, fans, motors and other DC 12V equipment\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1wN9iLpXXXXcTXFXXq6xXFXXXA\/221872405\/HTB1wN9iLpXXXXcTXFXXq6xXFXXXA.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e2. DC 1-100V OR AC 85-265V control circuit,Wiring diagram below(Note:If not DC 12V load, need another DC 12V power supply). \"LOAD\" may be LED lights, fans, motors Lights, fluorescent lights, solar water heaters and other DC AC equipmen \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1NMCELpXXXXXvXXXXq6xXFXXXD\/221872405\/HTB1NMCELpXXXXXvXXXXq6xXFXXXD.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e3. DC 1-100V OR AC 85-265V control circuit,Wiring diagram below(Note:If not DC 12V load, need another DC 12V power supply). \"LOAD\" may be Machine tool ,CNC,3D Printer,LED lights, fans, motors and other DC AC equipment\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1ja5CLpXXXXaDXXXXq6xXFXXXP\/221872405\/HTB1ja5CLpXXXXaDXXXXq6xXFXXXP.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eTest Software:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e \u003c\/div\u003e\n\u003cdiv\u003eSerial HyperTerminal:\u003cbr\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1k.XkJVXXXXbdXpXXq6xXFXXX6\/221872405\/HTB1k.XkJVXXXXbdXpXXq6xXFXXX6.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003eModbus Poll\u003cbr\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1sJ4BJVXXXXXVXXXXq6xXFXXX8\/221872405\/HTB1sJ4BJVXXXXXVXXXXq6xXFXXX8.jpg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003ePackage Included:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e1 x 4 Channel DC 12V RS485 Relay Module\u003c\/div\u003e\n\u003c\/div\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/07\/6E\/f1a4deaa-968c-4cfe-8c8f-6c3320200ed5.JPG\"\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/AF\/8D\/d1d0baaa-158e-4022-be87-1be104503afb.JPG\"\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/AC\/B7\/b3f54187-4eb1-4bff-b04f-560f46c36e7a.JPG\"\u003e","brand":"Electronic Pro","offers":[{"title":"Default Title","offer_id":35552039338140,"sku":"1650584","price":444.75,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2787\/9162\/products\/b6dda02b-441e-4771-8ca9-db1ff186935a.jpg?v=1597580470","url":"https:\/\/electronic-pro-south-africa.myshopify.com\/products\/4-channel-rs485-relay-module-modbus-rtu-at-command-remote-control-switch-for-plc-ptz-smart-home-security-dc-12v","provider":"Electronic Pro ","version":"1.0","type":"link"}