{"product_id":"modbus-rtu-32-ch-relay-module-rs485-interface-with-multiple-isolation-protection-circuits","title":"Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits","description":"\u003cdiv class=\"overviewSec subHead\"\u003eModbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case\u003c\/div\u003e\u003cdiv class=\"richWrap\"\u003e\n\u003cdiv class=\"pdT\" style=\"background: #101B2D; color: #ffffff;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eRS485 32-ch Relay Module\u003c\/div\u003e\n\u003cp class=\"hilitBlock2 round1234\" style=\"background: #65C732;\"\u003eModbus RTU Protocol, Multi Isolation Protection Circuits, Safe \u0026amp; Stable \u0026amp; Reliable\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-32CH\/Modbus-RTU-Relay-32CH-details-1.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #1E1C27; color: #ffffff;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eFeatures at a glance\u003c\/div\u003e\n\u003cdiv class=\"alignl pdTRBL\"\u003e\n\u003cp\u003eThis product is an industrial 32-ch relay module controlled via RS485 bus, adopts Modbus RTU protocol, built-in protection circuits such as power supply isolation, magnetical isolation, resettable fuse, and TVS diode, etc. It also comes with an ABS case.\u003c\/p\u003e\n\u003cp\u003eThe Modbus RTU 32-Ch Relay 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 requirements.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfigurable device address (1~255), multi devices can be cascaded on RS485 bus\u003c\/li\u003e\n\u003cli\u003eFeatures flash-on, flash-off function, it is possible to turn on the relay for a while and then close it automatically via the command\u003c\/li\u003e\n\u003cli\u003eOnboard voltage regulator chip, supports 7~36V wide voltage power supply\u003c\/li\u003e\n\u003cli\u003eOnboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal\u003c\/li\u003e\n\u003cli\u003eOnboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption\u003c\/li\u003e\n\u003cli\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\/li\u003e\n\u003cli\u003eOnboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit\u003c\/li\u003e\n\u003cli\u003eOnboard dedicated relay driver chip, with built-in freewheeling diode protection, the driving ability is stronger and more stable\u003c\/li\u003e\n\u003cli\u003eReverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection\u003c\/li\u003e\n\u003cli\u003eHigh quality relay, contact rating: ≤10A 250VAC\/30VDC\u003c\/li\u003e\n\u003cli\u003eRail-mounted ABS case, easy to install, safe to use\u003c\/li\u003e\n\u003cli\u003e3 LEDs for indicating the MCU status and signal transceiving status\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"tabSty-2 mgnTB alignl\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating voltage\u003c\/th\u003e\n\u003ctd\u003e7~36V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCommunication interface\u003c\/th\u003e\n\u003ctd\u003eRS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ebaudrate\u003c\/th\u003e\n\u003ctd\u003e4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDefault communication format\u003c\/th\u003e\n\u003ctd\u003e9600, N, 8, 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRelay channels\u003c\/th\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact form\u003c\/th\u003e\n\u003ctd\u003e1NO 1NC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact rating\u003c\/th\u003e\n\u003ctd\u003e≤10A 250VAC\/30VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCommunication protocol\u003c\/th\u003e\n\u003ctd\u003eStandard Modbus RTU protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRS485 address\u003c\/th\u003e\n\u003ctd\u003e1~255\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLED indicators\u003c\/th\u003e\n\u003ctd\u003eSTA: MCU indicator, keep flashing when the MCU normally workingTXD: TX indicator, lights up when sending dataRXD: RX indicator, lights up when receiving data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eOnboard multiple isolation protection circuit\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eMultiple protections, more safe and reliable\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-32CH\/Modbus-RTU-Relay-32CH-details-3.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #F5F5F5;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eRail-mount case design\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eRail-mounted ABS protective enclosure, easy to install, safe to use\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-32CH\/Modbus-RTU-Relay-32CH-details-5.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #F5F5F5;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eRS485 Communication\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eConfigurable device address (1~255), multi devices can be cascaded on RS485 bus    In case of many devices are cascaded, or the communication distance is quite long, it is necessary to use RS485 repeaters\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-32CH\/Modbus-RTU-Relay-32CH-details-7.jpg\"\u003e\u003cp class=\"note\"\u003e* for reference only, the USB to RS485 is NOT included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #F1F1F1;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eRelay connection\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eContact rating of the onboard relay up to 10A 250VAC\/30VDC      Directly controlling 220VAC home appliances, or devices below 30VDC\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-32CH\/Modbus-RTU-Relay-32CH-details-9.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #F7F7F7;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eApplications\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-32CH\/Modbus-RTU-Relay-32CH-details-11.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eProduct show\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-32CH\/Modbus-RTU-Relay-32CH-details-13.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eOutline dimensions\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-32CH\/Modbus-RTU-Relay-32CH-details-size.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eResources \u0026amp; Services\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/LCD\/common\/res_banner.png\"\u003e\u003cdiv class=\"bgGrey\"\u003e\n\u003cstrong\u003eWiki:\u003c\/strong\u003e\u003ca href=\"http:\/\/www.waveshare.com\/wiki\/Modbus_RTU_Relay_32CH\" target=\"_blank\"\u003ewww.waveshare.com\/wiki\/Modbus_RTU_Relay_32CH\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eSelection Guide\u003c\/div\u003e\n\u003ctable class=\"tabSty-2 mgnTB alignc\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 25%;\"\u003eproduct\u003c\/th\u003e\n\u003cth\u003eCommunication parameters\u003c\/th\u003e\n\u003cth\u003eRelay type\u003c\/th\u003e\n\u003cth\u003eOutput control\u003c\/th\u003e\n\u003cth\u003eInput control\u003c\/th\u003e\n\u003cth\u003ePower range\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/modbus-rtu-relay.htm\" target=\"_blank\"\u003eModbus RTU Relay\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd rowspan=\"8\"\u003eRS485 port\u003c\/td\u003e\n\u003ctd\u003e10A Universal Relay\u003c\/td\u003e\n\u003ctd\u003e8-ch\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003ctd\u003e145×90×40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/modbus-rtu-relay-b.htm\" target=\"_blank\"\u003eModbus RTU Relay (B)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e10A Universal Relay\u003c\/td\u003e\n\u003ctd\u003e8-ch\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e7V~36V\u003c\/td\u003e\n\u003ctd\u003e175×90×40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/modbus-rtu-relay-c.htm\" target=\"_blank\"\u003eModbus RTU Relay (C)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e10A Latching Relay\u003c\/td\u003e\n\u003ctd\u003e8-ch\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e7V~36V\u003c\/td\u003e\n\u003ctd\u003e145×90×40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/modbus-rtu-relay-d.htm\" target=\"_blank\"\u003eModbus RTU Relay (D)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e10A Universal Relay\u003c\/td\u003e\n\u003ctd\u003e8-ch\u003c\/td\u003e\n\u003ctd\u003e8-ch\u003c\/td\u003e\n\u003ctd\u003e7V~36V\u003c\/td\u003e\n\u003ctd\u003e175×90×40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/modbus-rtu-relay-e.htm\" target=\"_blank\"\u003eModbus RTU Relay (E)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e30A High Current Relay\u003c\/td\u003e\n\u003ctd\u003e8-ch\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e7V~36V\u003c\/td\u003e\n\u003ctd\u003e200×110×60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/Modbus-RTU-Relay-4CH.htm\" target=\"_blank\"\u003eModbus RTU Relay 4CH\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e30A High Current Relay\u003c\/td\u003e\n\u003ctd\u003e4-ch\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e7V~36V\u003c\/td\u003e\n\u003ctd\u003e145×90×40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/modbus-rtu-relay-16ch.htm\" target=\"_blank\"\u003eModbus RTU Relay 16CH\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e10A Universal Relay\u003c\/td\u003e\n\u003ctd\u003e16-ch\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003ctd\u003e200×110×60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/Modbus-RTU-Relay-32CH.htm\" target=\"_blank\"\u003eModbus RTU Relay 32CH\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e10A Universal Relay\u003c\/td\u003e\n\u003ctd\u003e32-ch\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e7V~36V\u003c\/td\u003e\n\u003ctd\u003e300×110×60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/Modbus-POE-ETH-Relay.htm\" target=\"_blank\"\u003eModbus POE ETH Relay\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd rowspan=\"2\"\u003eEthernet port (PoE support)\u003c\/td\u003e\n\u003ctd\u003e10A Universal Relay\u003c\/td\u003e\n\u003ctd\u003e8-ch\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e7V~36V\u003c\/td\u003e\n\u003ctd\u003e145×90×40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/Modbus-POE-ETH-Relay-B.htm\" target=\"_blank\"\u003eModbus POE ETH Relay (B)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e10A Universal Relay\u003c\/td\u003e\n\u003ctd\u003e8-ch\u003c\/td\u003e\n\u003ctd\u003e8-ch\u003c\/td\u003e\n\u003ctd\u003e7V~36V\u003c\/td\u003e\n\u003ctd\u003e175×90×40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/Modbus-POE-ETH-Relay-C.htm\" target=\"_blank\"\u003eModbus POE ETH Relay (C)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eDual Ethernet ports (PoE support)\u003c\/td\u003e\n\u003ctd\u003e10A Universal Relay\u003c\/td\u003e\n\u003ctd\u003e8-ch\u003c\/td\u003e\n\u003ctd\u003e8-ch\u003c\/td\u003e\n\u003ctd\u003e7V~36V\u003c\/td\u003e\n\u003ctd\u003e175×90×40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/Modbus-POE-ETH-Relay-16CH.htm\" target=\"_blank\"\u003eModbus POE ETH Relay 16CH\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eDual Ethernet ports (PoE support)\u003c\/td\u003e\n\u003ctd\u003e10A Universal Relay\u003c\/td\u003e\n\u003ctd\u003e16-ch\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e7V~36V\u003c\/td\u003e\n\u003ctd\u003e200×110×60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.waveshare.com\/Modbus-POE-ETH-Relay-30CH.htm\" target=\"_blank\"\u003eModbus POE ETH Relay 30CH\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet port (PoE support)\u003c\/td\u003e\n\u003ctd\u003e10A Universal Relay\u003c\/td\u003e\n\u003ctd\u003e30-ch\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e7V~36V\u003c\/td\u003e\n\u003ctd\u003e300×110×60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003ch2\u003eLieferumfang\u003c\/h2\u003e\u003cdiv class=\"msg msg_info\"\u003eThe power supply adapter is NOT included by default, it is recommended to purchase \u003ca href=\"https:\/\/www.waveshare.com\/ord-psu-12v2a-5.5-2.1.htm\"\u003e12V power supply\u003c\/a\u003e if you need it.\u003c\/div\u003e\u003col\u003e\u003cli\u003eModbus RTU Relay 32CH x1\u003c\/li\u003e\u003c\/ol\u003e\u003cdiv class=\"imgTextWrap\"\u003e\u003cdiv\u003e1\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Relay-32CH\/Modbus-RTU-Relay-32CH-details-pack.jpg\"\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"WaveShare","offers":[{"title":"Default Title","offer_id":53568461701457,"sku":"WSAL25140","price":28441.33,"currency_code":"HUF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/3798\/0753\/files\/wsal251401-448185.jpg?v=1776674139","url":"https:\/\/albistech.eu\/products\/modbus-rtu-32-ch-relay-module-rs485-interface-with-multiple-isolation-protection-circuits","provider":"Albistech","version":"1.0","type":"link"}