{"product_id":"8ch-opto-isolated-modbus-rtu-rs485-io-expansion-board-dc7-25v-uln2803-300ma-for-plc-smart-home-cctv-ptz","title":"8CH Opto Isolated Modbus RTU RS485 IO Expansion Board DC7-25V ULN2803 300mA For PLC Smart Home CCTV PTZ","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eeletechsup\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\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\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eRelay\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\u003cp\u003e\u003cspan\u003esemi_Choice\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\u003cdiv\u003e\n\u003cbr\u003e\u003cspan style=\"font-size:26px\"\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003eProduct Name: \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:26px\"\u003e8CH Opto Isolated Modbus RTU RS485 IO Expansion Board DC7-25V ULN2803 300mA For PLC Smart Home CCTV PTZ\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\u003cdiv\u003e\n\u003cdiv\u003e\u003cdiv\u003e\n\u003cbr\u003e\u003cspan style=\"font-size:14pt;font-family:verdana\"\u003ePackage inlcuded:\u003c\/span\u003e\u003cbr\u003e1 PCS DC 7-30V 8DI-8DO Safety Barrier RS485 Digital Input \u0026amp; Output IO Module\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S43c4dacb75d9430786946ec4a4bf8705M.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sdf6a3d0f5d4147b0b78bfd9a81898413z.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003e1 Product description\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e8ch optoelectronic isolation digital input channel (NPN Low level input)\u003cbr\u003e8ch optoelectronic isolation digital output channel (ULN2803 NPN output)\u003cbr\u003eRS485 MODBUS RTU standard communication protocol\u003cbr\u003eNetted with configuration software, PLC or industry touch panel\u003cbr\u003eCommunication circuit designed for thunder protection and interference immunity\u003cbr\u003eUsed for signal collection and control in industrial field\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003e2 Specification\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e1 Working voltage: DC 7-25V (9V 12V 24V)\u003cbr\u003e2 Working current: 8-50MA\u003cbr\u003e3 8 port optically isolated input ports (NPN active low)\u003cbr\u003e4 8 port Darlington tube outputs (ULN2803 NPN output), the maximum load current of each channel is 300MA\u003cbr\u003e5 RS485 communication isolation protection 3000VDC, DI digital input port isolation protection 3000VDC\u003cbr\u003e6 Standard MODBUS RTU command (function code, 05\/06\/15\/16 Write, 01\/02\/03 Read )\u003cbr\u003e7 Baud rates: 1200 2400 4800 9600 (default) 19200 38400 57600 115200\u003cbr\u003e8 Parity bits: None (default) \/Even \/Odd\u003cbr\u003e9 Installation method Standard DIN rail installation\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e10 Size : 125×110×22mm\u003cbr\u003e\u003cbr\u003e11 Weight: 130 grams\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 255)\"\u003e\u003cstrong\u003e3 Interface definition:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(0, 0, 255)\"\u003e\u003cspan style=\"font-size:18px\"\u003eVi : Power input+\u003cbr\u003eG: Power input-\u003cbr\u003eVo: =Vi\u003cbr\u003eDO1: digital output channel 1\u003cbr\u003eDO2: digital output channel 2\u003cbr\u003eDO3: digital output channel 3\u003cbr\u003eDO4: digital output channel 4\u003cbr\u003eDO5: digital output channel 5\u003cbr\u003eDO6: digital output channel 6\u003cbr\u003eDO7: digital output channel 7\u003cbr\u003eDO8: digital output channel 8\u003cbr\u003eDI1 : Digital input channel 1\u003cbr\u003eDI2 : Digital input channel 2\u003cbr\u003eDI3 : Digital input channel 3\u003cbr\u003eDI4 : Digital input channel 4\u003cbr\u003eDI5 : Digital input channel 5\u003cbr\u003eDI6 : Digital input channel 6\u003cbr\u003eDI7 : Digital input channel 7\u003cbr\u003eDI8 : Digital input channel 8\u003cbr\u003eA+: RS485 signal A+\u003cbr\u003eB-: RS485 signal B-\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cdiv style=\"font-size:14pt\"\u003e\n\u003cbr\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003eFor more information, please contact me\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan style=\"font-size:14pt\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003ePLC DIO Output expansion board\u003cbr\u003eSmart Home,Home Automation ,Wiser Home;\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003ePTZ CCTV Camera\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003eSecurity Monitoring\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003eIdentification system;\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003eMotor FW \u0026amp; BW\u003cbr\u003eAutomatic curtain control\u003cbr\u003eRelay Solenoid valve\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e1 NPN Digital Input Wiring Diagram\u003cbr\u003e2 NPN Digital output wiring diagram\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003eNote: The Darlington tube has only two states of ''high resistance'' and ''conduction'', and the output level cannot be measured with a multimeter.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S88e94821873a4202872e35917b16f4a00.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sb727e98daf1f42ad8dcd67e4360e729cf.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eRS485 Networking Diagram\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4f44055af2724f97a5969acc8338079bl.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003eModbus Rtu Register:\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sa377a39ffa444ec1aff3025c4aff1153t.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"Default Title","offer_id":55124563231019,"sku":"\u003cnone\u003e","price":152.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S0a31686df1a94e11b508be56c48be2f6b.webp?v=1788073506","url":"https:\/\/yoeruyo.com\/products\/8ch-opto-isolated-modbus-rtu-rs485-io-expansion-board-dc7-25v-uln2803-300ma-for-plc-smart-home-cctv-ptz","provider":"Yoeruyo","version":"1.0","type":"link"}