{"product_id":"waveshare-modbus-rtu-relay-d-with-digital-input-and-rs485-interface-multi-isolation-protection-circuits-7-36v-power-supply","title":"Waveshare Modbus RTU Relay (D),With Digital Input and RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\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\"\u003eDrive IC\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cspan class=\"product-info-title\" style=\"background-color:rgb(255, 255, 255);color:rgb(24, 24, 26);font-size:14px;font-family:Arial, sans-serif\"\u003eSKU\u003c\/span\u003e\u003cspan style=\"background-color:rgb(255, 255, 255);color:rgb(24, 24, 26);font-size:14px;font-family:Arial, sans-serif\"\u003e:26517\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"product-info-title\" style=\"background-color:rgb(255, 255, 255);color:rgb(24, 24, 26);font-size:14px;font-family:Arial, sans-serif\"\u003ePart No.\u003c\/span\u003e\u003cspan style=\"background-color:rgb(255, 255, 255);color:rgb(24, 24, 26);font-size:14px;font-family:Arial, sans-serif\"\u003e:Modbus RTU Relay (D)\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"product-info-title\" style=\"background-color:rgb(255, 255, 255);color:rgb(24, 24, 26);font-size:14px;font-family:Arial, sans-serif\"\u003eBrand\u003c\/span\u003e\u003cspan style=\"background-color:rgb(255, 255, 255);color:rgb(24, 24, 26);font-size:14px;font-family:Arial, sans-serif\"\u003e:Waveshare\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003cimg width=\"750\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sbe5c34bb2a5f41a1bf30b456b44d9f9av.png\" slate-data-type=\"image\"\u003e\u003cdiv style=\"font-family:Arial, sans-serif;font-size:1.5em;font-weight:400;letter-spacing:normal;text-align:center;white-space:normal;color:rgb(86, 86, 86);background-color:rgb(255, 255, 255);margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richWrap\" align=\"center\"\u003e\n\u003cdiv style=\"color:rgb(255, 255, 255);background-color:rgb(7, 19, 31);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding-bottom:0px;padding-top:0.5em;padding-left:0px;padding-right:0px;overflow:hidden;box-sizing:border-box\" class=\"pdT\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eRS485 8-ch Relay Module (D)\u003c\/div\u003e\n\u003cp style=\"color:rgb(255, 255, 255);background-color:rgb(101, 199, 50);margin:0.6em 0px;margin-bottom:0.6em;margin-top:0.6em;margin-left:0px;margin-right:0px;padding:0.3em 1em;padding-bottom:0.3em;padding-top:0.3em;padding-left:1em;padding-right:1em;display:inline-block;box-sizing:border-box\" class=\"richDesc hilitBlock3 round1234\"\u003eModbus RTU Protocol, Multi Isolation Protection Circuits, Safe \u0026amp; Stable \u0026amp; Reliable\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cspan\u003e \u003c\/span\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-D\/Modbus-RTU-Relay-D-details-1.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"color:rgb(255, 255, 255);background-color:rgb(30, 28, 39);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding-bottom:0px;padding-top:0.5em;padding-left:0px;padding-right:0px;overflow:hidden;box-sizing:border-box\" class=\"pdT\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eFeatures At A Glance\u003c\/div\u003e\n\u003cp style=\"text-align:left;margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"alignl pdTRBL\" align=\"left\"\u003eThis is an industrial 8-ch relay module controlled via RS485 bus, with 8-ch digital input, utilizing Modbus RTU protocol. It features embedded protection circuits such as power isolation, magnetical isolation, and TVS diode, etc. It also comes with an ABS enclosure. The Modbus RTU Relay (D) is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and\/or applications with high communication requirement.\u003c\/p\u003e\n\u003cul style=\"text-align:left;color:rgb(255, 255, 255);margin:0px 0px 1em;margin-bottom:1em;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px 0px 0px 1.5em;padding-bottom:0px;padding-top:0px;padding-left:1em;padding-right:0px;list-style:outside disc;box-sizing:border-box\" class=\"alignl pdTRBL2\" align=\"left\"\u003e\n\u003cli style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003eConfigurable device address (1~255), multi devices can be cascaded on RS485 bus\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003eFeatures flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003eOnboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003eOnboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003eOnboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, provides over-current\/over-voltage proof, lightningproof \u0026amp; anti-electrostatic\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003eOnboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003eAdopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003eSupports passive and active digital input, with bi-directional optocoupler isolation, built in debouncing algorithm. The relay supports digital input linkage control or toggle control\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003eReverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003eHigh quality relay, contact rating: ≤10A 250VAC\/30VDC\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003eRail-mounted ABS plastic enclosure, easy to install, safe to use\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cp\u003eMultiple LEDs for indicating the MCU status and signal transceiving status\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable style=\"border-collapse:collapse;font-size:0.7em;text-align:center;background-color:transparent;width:959.774px\" class=\"tabSty-2 mgnTB alignc\" align=\"center\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;background-color:rgb(244, 244, 244);border:1px solid rgb(220, 220, 220);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:1em 0.7em;padding-bottom:1em;padding-top:1em;padding-left:0em;padding-right:0.7em;box-sizing:border-box\" align=\"center\"\u003e\u003cp\u003ePower supply\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid rgb(220, 220, 220);padding:1em\"\u003e\u003cp\u003e7~36V\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;background-color:rgb(244, 244, 244);border:1px solid rgb(220, 220, 220);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:1em 0.7em;padding-bottom:1em;padding-top:1em;padding-left:0em;padding-right:0.7em;box-sizing:border-box\" align=\"center\"\u003e\u003cp\u003eCommunication interface\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid rgb(220, 220, 220);padding:1em\"\u003e\u003cp\u003eRS485\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;background-color:rgb(244, 244, 244);border:1px solid rgb(220, 220, 220);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:1em 0.7em;padding-bottom:1em;padding-top:1em;padding-left:0em;padding-right:0.7em;box-sizing:border-box\" align=\"center\"\u003e\u003cp\u003eBaudrate\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid rgb(220, 220, 220);padding:1em\"\u003e\u003cp\u003e4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;background-color:rgb(244, 244, 244);border:1px solid rgb(220, 220, 220);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:1em 0.7em;padding-bottom:1em;padding-top:1em;padding-left:0em;padding-right:0.7em;box-sizing:border-box\" align=\"center\"\u003e\u003cp\u003eDefault communication format\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid rgb(220, 220, 220);padding:1em\"\u003e\u003cp\u003e9600, N, 8, 1\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;background-color:rgb(244, 244, 244);border:1px solid rgb(220, 220, 220);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:1em 0.7em;padding-bottom:1em;padding-top:1em;padding-left:0em;padding-right:0.7em;box-sizing:border-box\" align=\"center\"\u003e\u003cp\u003eRelay channels\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid rgb(220, 220, 220);padding:1em\"\u003e\u003cp\u003e8\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;background-color:rgb(244, 244, 244);border:1px solid rgb(220, 220, 220);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:1em 0.7em;padding-bottom:1em;padding-top:1em;padding-left:0em;padding-right:0.7em;box-sizing:border-box\" align=\"center\"\u003e\u003cp\u003eContact form\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid rgb(220, 220, 220);padding:1em\"\u003e\u003cp\u003e1NO 1NC\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;background-color:rgb(244, 244, 244);border:1px solid rgb(220, 220, 220);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:1em 0.7em;padding-bottom:1em;padding-top:1em;padding-left:0em;padding-right:0.7em;box-sizing:border-box\" align=\"center\"\u003e\u003cp\u003econtact rating\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid rgb(220, 220, 220);padding:1em\"\u003e\u003cp\u003e≤10A 250VAC\/30VDC\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;background-color:rgb(244, 244, 244);border:1px solid rgb(220, 220, 220);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:1em 0.7em;padding-bottom:1em;padding-top:1em;padding-left:0em;padding-right:0.7em;box-sizing:border-box\" align=\"center\"\u003e\u003cp\u003eDigital input\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid rgb(220, 220, 220);padding:1em\"\u003e\u003cp\u003e8DI, 5~36V, passive \/ active input (NPN or PNP), built-in bi-directional optocoupler isolation\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;background-color:rgb(244, 244, 244);border:1px solid rgb(220, 220, 220);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:1em 0.7em;padding-bottom:1em;padding-top:1em;padding-left:0em;padding-right:0.7em;box-sizing:border-box\" align=\"center\"\u003e\u003cp\u003eCommunication protocol\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid rgb(220, 220, 220);padding:1em\"\u003e\u003cp\u003eStandard Modbus RTU protocol\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;background-color:rgb(244, 244, 244);border:1px solid rgb(220, 220, 220);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:1em 0.7em;padding-bottom:1em;padding-top:1em;padding-left:0em;padding-right:0.7em;box-sizing:border-box\" align=\"center\"\u003e\u003cp\u003eRS485 address\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid rgb(220, 220, 220);padding:1em\"\u003e\u003cp\u003e1~255\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;background-color:rgb(244, 244, 244);border:1px solid rgb(220, 220, 220);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:1em 0.7em;padding-bottom:1em;padding-top:1em;padding-left:0em;padding-right:0.7em;box-sizing:border-box\" align=\"center\"\u003e\u003cp\u003eLED indicators\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid rgb(220, 220, 220);padding:1em\"\u003e\u003cp\u003eSTA: MCU indicator, keeps flashing when the MCU normally working\u003cbr\u003eTXD: TX indicator, lights up when sending data\u003cbr\u003eRXD: RX indicator, lights up when receiving data\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"background-color:rgb(227, 233, 247);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding-bottom:0px;padding-top:0.5em;padding-left:0px;padding-right:0px;overflow:hidden;box-sizing:border-box\" class=\"pdT\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003ePrimary function\u003c\/div\u003e\n\u003cp style=\"margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richDesc\"\u003eSupports reading digital input by sending Modbus RTU protocol commands via RS485 for relay output control\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-D\/Modbus-RTU-Relay-D-details-3.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color:rgb(246, 247, 251);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding-bottom:0px;padding-top:0.5em;padding-left:0px;padding-right:0px;overflow:hidden;box-sizing:border-box\" class=\"pdT\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eHardware Analysis\u003c\/div\u003e\n\u003cp style=\"margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richDesc\"\u003eMultiple protections for safer and more reliable use\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-D\/Modbus-RTU-Relay-D-details-5.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color:rgb(245, 245, 245);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding-bottom:0px;padding-top:0.5em;padding-left:0px;padding-right:0px;overflow:hidden;box-sizing:border-box\" class=\"pdT\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eDigital Input\u003c\/div\u003e\n\u003cp style=\"margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richDesc\"\u003eSupports passive (dry contact) and active (wet contact) digital input, with bi-directional optocoupler isolation\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-D\/Modbus-RTU-Relay-D-details-7.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eInterfaces \u0026amp; Indicators\u003c\/div\u003e\n\u003cp style=\"margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richDesc\"\u003eWith Multiple LED Indicators, Easy To Monitor The Operating Status\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-D\/Modbus-RTU-Relay-D-details-9.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"background-color:rgb(166, 215, 247);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding-bottom:0px;padding-top:0.5em;padding-left:0px;padding-right:0px;overflow:hidden;box-sizing:border-box\" class=\"pdT\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eMultiple modes for various automation scenarios\u003c\/div\u003e\n\u003cp style=\"margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richDesc\"\u003eSupports multiple relay control modes, each channel supports independent\u003cbr\u003econtrol mode setting\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-D\/Modbus-RTU-Relay-D-details-11.jpg\" slate-data-type=\"image\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-D\/Modbus-RTU-Relay-D-details-13.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color:rgb(245, 245, 245);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding-bottom:0px;padding-top:0.5em;padding-left:0px;padding-right:0px;overflow:hidden;box-sizing:border-box\" class=\"pdT\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eRS485 Communication\u003c\/div\u003e\n\u003cp style=\"margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richDesc\"\u003eConfigurable device address (1~255), multi devices can be cascaded on RS485 bus\u003c\/p\u003e\n\u003cp style=\"font-size:0.6em;font-weight:normal;margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richDesc subBlock\"\u003eIn case of many devices are cascaded, or communication distance is quite long, it is necessary to use RS485 repeaters\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-D\/Modbus-RTU-Relay-D-details-15.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cp style=\"color:rgb(255, 0, 0);margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"note\"\u003efor reference only, the\u003cspan\u003e \u003c\/span\u003eUSB TO RS232\/485\/TTL\u003cspan\u003e \u003c\/span\u003econverter is Not included\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color:rgb(245, 245, 245);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding-bottom:0px;padding-top:0.5em;padding-left:0px;padding-right:0px;overflow:hidden;box-sizing:border-box\" class=\"pdT\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eRelay connection\u003c\/div\u003e\n\u003cp style=\"margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richDesc\"\u003eContact rating of the onboard relay up to 10A 250VAC\/30VDC\u003cbr\u003eDirectly controlling 220VAC home appliances, or devices below 30VDC\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-D\/Modbus-RTU-Relay-D-details-17.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color:rgb(245, 245, 245);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding-bottom:0px;padding-top:0.5em;padding-left:0px;padding-right:0px;overflow:hidden;box-sizing:border-box\" class=\"pdT\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eEnclosure Design\u003c\/div\u003e\n\u003cp style=\"margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richDesc\"\u003eRail-mounted ABS plastic enclosure, easy to install, safe to use\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-D\/Modbus-RTU-Relay-D-details-19.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eApplications\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-D\/Modbus-RTU-Relay-D-details-21.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"background-color:rgb(243, 248, 251);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding-bottom:0px;padding-top:0.5em;padding-left:0px;padding-right:0px;overflow:hidden;box-sizing:border-box\" class=\"pdT\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eProduct show\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-D\/Modbus-RTU-Relay-D-details-23.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eOutline dimensions\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-D\/Modbus-RTU-Relay-D-details-size.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-family:Arial, sans-serif;font-size:14px;font-weight:bold;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(86, 86, 86);background-color:rgb(255, 255, 255);border-bottom:1px solid rgb(204, 204, 204);border-top:1px solid rgb(204, 204, 204);margin:0px 0px 1em;margin-bottom:1em;margin-top:0px;margin-left:0px;margin-right:0px;padding:15px 20px 15px 60px;padding-bottom:15px;padding-top:15px;padding-left:60px;padding-right:20px;box-sizing:border-box\" class=\"overviewSec\" align=\"start\"\u003eIndustrial Modbus RTU 8-ch Relay Module (D) With Digital Input and RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Yoeruyo","offers":[{"title":"Default Title","offer_id":55513873908011,"sku":"\u003cnone\u003e","price":191.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sbc235ee40f234cf8aa786a76036e9961W.webp?v=1789008204","url":"https:\/\/yoeruyo.com\/products\/waveshare-modbus-rtu-relay-d-with-digital-input-and-rs485-interface-multi-isolation-protection-circuits-7-36v-power-supply","provider":"Yoeruyo","version":"1.0","type":"link"}