{"product_id":"industrial-8-ch-pwm-input-module-modbus-rtu-protocol-isolated-rs485-interface-supports-frequency-and-duty-cycle-acquisition-with-various-isolation-and-protection-circuits","title":"Industrial 8-Ch PWM Input Module, Modbus RTU Protocol, Isolated RS485 Interface, Supports Frequency And Duty Cycle Acquisition, With Various Isolation And Protection Circuits","description":"\u003cdiv class=\"overviewSec\"\u003eIndustrial 8-Ch PWM Input Module, Modbus RTU Protocol, Isolated RS485 Interface, Supports Frequency And Duty Cycle Acquisition, With Various Isolation And Protection Circuits\u003c\/div\u003e\u003cdiv class=\"richWrap\"\u003e\n\u003cdiv class=\"pdT\" style=\"background: #e6eaf5;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eIndustrial 8-Ch PWM Input module\u003c\/div\u003e\n\u003cp class=\"hilitBlock3\" style=\"background: linear-gradient(90deg, #5abbff, #4785fe); color: #ffffff;\"\u003eModbus RTU Protocol\u003c\/p\u003e\n\u003cp class=\"hilitBlock3\" style=\"background: linear-gradient(90deg, #5abbff, #4785fe); color: #ffffff;\"\u003eRS485 Interface\u003c\/p\u003e\n\u003cp class=\"hilitBlock3\" style=\"background: linear-gradient(90deg, #5abbff, #4785fe); color: #ffffff;\"\u003eDC 7~36V Wide Voltage\u003c\/p\u003e\n\u003cp class=\"hilitBlock3\" style=\"background: linear-gradient(90deg, #5abbff, #4785fe); color: #ffffff;\"\u003eFrequency And Duty Cycle Acquisition\u003c\/p\u003e\n\u003cp class=\"hilitBlock3\" style=\"background: linear-gradient(90deg, #5abbff, #4785fe); color: #ffffff;\"\u003eMultiple Isolation Protection Circuits\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-PWM-Input-8CH\/Modbus-RTU-PWM-Input-8CH-details-1.jpg\" alt=\"Industrial 8-Ch PWM Input Module, front view\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #F2F6FB;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eFeatures at a glance\u003c\/div\u003e\n\u003cp class=\"alignl pdTRBL\"\u003eThe\u003cstrong\u003eModbus RTU PWM Input 8CH\u003c\/strong\u003e is an isolated RS485 to 8-Ch PWM PWM input module, supports PWM pulse frequency and duty cycle detection. Adopts Modbus RTU protocol with built-in protection circuits such as power isolation, magnetical isolation, resettable fuse, and TVS.\u003c\/p\u003e\n\u003cul class=\"alignl pdTRBL2\"\u003e\n\u003cli\u003eThe inputs use high-speed optocoupler isolation and support high-frequency detection\u003c\/li\u003e\n\u003cli\u003eConfigurable device address (1~255), multi devices can be cascaded on RS485 bus\u003c\/li\u003e\n\u003cli\u003eOnboard voltage regulator, supports 7~36V wide range 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\u003c\/li\u003e\n\u003cli\u003eOnboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppresses 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 watchdog, for stable output without crashing\u003c\/li\u003e\n\u003cli\u003eRail-mount case design, support stacking combination, easy to install and safer to use\u003c\/li\u003e\n\u003cli\u003e3x LEDs for indicating the MCU status and signal transceiving status\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"tabSty-2 mgnTB subBlock alignc\"\u003e\u003ctbody\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\u003eBaud rate\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\u003eModbus protocol\u003c\/th\u003e\n\u003ctd\u003eStandard Modbus RTU protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003eDC 7~36V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePulse Input Voltage\u003c\/th\u003e\n\u003ctd\u003e3.3V ~ 30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency Detection Range\u003c\/th\u003e\n\u003ctd\u003e400Hz ~ 50kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency Resolution\u003c\/th\u003e\n\u003ctd\u003e0.01Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency Accuracy\u003c\/th\u003e\n\u003ctd\u003e5‰\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDuty Cycle Detection Range\u003c\/th\u003e\n\u003ctd\u003e0 ~ 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDuty Cycle Resolution\u003c\/th\u003e\n\u003ctd\u003e0.01%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDuty Cycle Accuracy\u003c\/th\u003e\n\u003ctd\u003e5‰\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #f6f7fb;\"\u003e\n\u003cdiv class=\"richTitle\"\u003ePrimary function\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eSupports sending Modbus RTU protocol commands via RS485 to acquire PWM pulse signals\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-PWM-Input-8CH\/Modbus-RTU-PWM-Input-8CH-details-3.jpg\" alt=\"Industrial 8-Ch PWM Input Module, primary function\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #F6F7FB;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eIndustrial Grade Isolated Protection\u003c\/div\u003e\n\u003cp class=\"alignl pdTRBL\"\u003e  Onboard power and signal dual isolation for RS485 communication, provides stable isolation voltage, features high reliability and strong anti-interference performance. Built-in TVS (transient voltage suppression tube) can effectively suppress the surge voltage and transient peak voltage in the circuit, lightningproof \u0026amp; ESD protection. Built-in resettable fuse and protection diode to ensure stable current and voltage output, provides over-current and over-voltage proof, improves shock-proof performance, suitable for industrial environments with high requirements.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-PWM-Input-8CH\/Modbus-RTU-PWM-Input-8CH-details-5.jpg\" alt=\"Industrial 8-Ch PWM Input Module, onboard industrial grade isolated protection\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #f6f7fb;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eInterface introduction\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-PWM-Input-8CH\/Modbus-RTU-PWM-Input-8CH-details-7.jpg\" alt=\"Industrial 8-Ch PWM Input Module, interface introduction\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #f6f7fb;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eWide voltage power supply, isolated RS485 interface\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eBuilt-in fuse and anti-reverse protection, With Power and Signal Dual Isolation\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-PWM-Input-8CH\/Modbus-RTU-PWM-Input-8CH-details-9.jpg\" alt=\"Industrial 8-Ch PWM Input Module, built-in fuse and anti-reverse protection,\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #e6e7eb;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eRail-Mount Support\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eSupports 35mm standard guide rail, with rail-mount buckle, easy to install.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-PWM-Input-8CH\/Modbus-RTU-PWM-Input-8CH-details-11.jpg\" alt=\"Industrial 8-Ch PWM Input Module, rail-Mount support\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"background: #e6e7eb;\"\u003e\n\u003cdiv class=\"richTitle\"\u003eSupports stacking installation\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-PWM-Input-8CH\/Modbus-RTU-PWM-Input-8CH-details-13.jpg\" alt=\"Industrial 8-Ch PWM Input Module, supports stacking installation\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eProduct show\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cimg class=\"round1234\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-PWM-Input-8CH\/Modbus-RTU-PWM-Input-8CH-details-15.jpg\" alt=\"Industrial 8-Ch PWM Input Module, product show\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eDimensions\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-PWM-Input-8CH\/Modbus-RTU-PWM-Input-8CH-details-size.jpg\" alt=\"Industrial 8-Ch PWM Input Module, Dimensions\"\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 class=\"wikilink\" href=\"https:\/\/docs.waveshare.com\/Modbus_RTU_PWM_Input_8CH\" target=\"_blank\"\u003edocs.waveshare.com\/Modbus_RTU_PWM_Input_8CH\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003ch2\u003eLieferumfang\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eModbus RTU PWM Input 8CH x1\u003c\/li\u003e\n\u003cli\u003ePower supply terminal adapter x1\u003c\/li\u003e\n\u003cli\u003eScrewdriver x1\u003c\/li\u003e\n\u003c\/ol\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-PWM-Input-8CH\/Modbus-RTU-PWM-Input-8CH-details-pack.jpg\" alt=\"Modbus RTU PWM Input 8CH\"\u003e\u003c\/div\u003e","brand":"WaveShare","offers":[{"title":"Default Title","offer_id":53568559055185,"sku":"WSAL33919","price":13541.07,"currency_code":"HUF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/3798\/0753\/files\/wsal339191-487503.jpg?v=1776699719","url":"https:\/\/albistech.eu\/products\/industrial-8-ch-pwm-input-module-modbus-rtu-protocol-isolated-rs485-interface-supports-frequency-and-duty-cycle-acquisition-with-various-isolation-and-protection-circuits","provider":"Albistech","version":"1.0","type":"link"}