{"product_id":"industrial-8-ch-analog-acquisition-module-12-bit-high-precision-supports-voltage-and-current-acquisition","title":"Industrial 8-Ch Analog Acquisition Module, 12-bit High-precision, Supports Voltage And Current Acquisition","description":"\u003cdiv class=\"overviewSec\"\u003eIndustrial 8-Ch Analog Acquisition Module, 12-bit High-precision, Supports Voltage And Current Acquisition, DC 7~36V Wide Voltage Power Supply, Modbus RTU Protocol\u003c\/div\u003e\u003cdiv class=\"richWrap\"\u003e\u003cdiv class=\"pdT\" style=\"background: #e6eaf5;\"\u003e\u003cdiv class=\"richTitle\"\u003eIndustrial 8-ch analog acquisition module\u003c\/div\u003e\u003cp class=\"hilitBlock3\" style=\"background: linear-gradient(90deg, #5abbff, #4785fe); color: #ffffff;\"\u003e12-bit High-precision\u003c\/p\u003e\u003cp class=\"hilitBlock3\" style=\"background: linear-gradient(90deg, #5abbff, #4785fe); color: #ffffff;\"\u003eSupports Voltage and Current Acquisition\u003c\/p\u003e\u003cp class=\"hilitBlock3\" style=\"background: linear-gradient(90deg, #5abbff, #4785fe); color: #ffffff;\"\u003eDC 7~36V Wide Voltage\u003c\/p\u003e\u003cp class=\"hilitBlock3\" style=\"background: linear-gradient(90deg, #5abbff, #4785fe); color: #ffffff;\"\u003eModbus RTU Protocol\u003c\/p\u003e\u003cp class=\"hilitBlock3\" style=\"background: linear-gradient(90deg, #5abbff, #4785fe); color: #ffffff;\"\u003eMultiple Isolation Protection\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Analog-Input-8CH\/Modbus-RTU-Analog-Input-8CH-details-1.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #F2F6FB;\"\u003e\u003cdiv class=\"richTitle\"\u003eFeatures at a glance\u003c\/div\u003e\u003cp class=\"alignl pdTRBL\"\u003e\u003cstrong\u003eModbus RTU Analog Input 8CH\u003c\/strong\u003e is an industrial standard analog acquisition module, supports multiple ranges and 8-ch simultaneous acquisition. Adopts Modbus RTU protocol with built-in protection circuits such as power isolation, magnetical isolation, resettable fuse, and TVS.\u003c\/p\u003e\u003cul class=\"alignl pdTRBL2\"\u003e\u003cli\u003eConfigurable device address (1~255), multi devices can be cascaded on RS485 bus\u003c\/li\u003e\u003cli\u003eOnboard voltage regulator, supports 7~36V wide range power supply\u003c\/li\u003e\u003cli\u003eOnboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal\u003c\/li\u003e\u003cli\u003eOnboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference\u003c\/li\u003e\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 \u0026 anti-electrostatic\u003c\/li\u003e\u003cli\u003eSupports 12-bit high-precision acquisition with multiple range input modes, supports single-ended\/differential input, supports voltage and current simultaneous acquisition\u003c\/li\u003e\u003cli\u003eAdopts high-precision resistors and zero-drift high-precision operational amplifier for more accurate data acquisition\u003c\/li\u003e\u003cli\u003eBuilt-in oversampling digital filtering algorithm, onboard watchdog, for stable output without crashing\u003c\/li\u003e\u003cli\u003eRail-mount case design, support stacking combination, easy to install and safer to use\u003c\/li\u003e\u003cli\u003e3x LEDs for indicating the MCU status and signal transceiving status\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #F2F6FB;\"\u003e\u003cdiv class=\"richTitle\"\u003eVersion Options\u003c\/div\u003e\u003cdiv class=\"richGridWrap richGridWrap-2c richGridWrap-valignTop mgnTB\"\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Analog-Input-8CH\/Modbus-RTU-Analog-Input-8CH-details-2-1.jpg\" class=\"round1234\" \/\u003e\u003cp\u003e\u003cstrong\u003eModbus RTU Analog Input 8CH\u003c\/strong\u003eSupports four ranges (configurable):0~5V\/1~5V0~20mA (default) \/4~20mA\u003c\/p\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Analog-Input-8CH\/Modbus-RTU-Analog-Input-8CH-details-2-2.jpg\" class=\"round1234\" \/\u003e\u003cp\u003e\u003cstrong\u003eModbus RTU Analog Input 8CH (B)\u003c\/strong\u003eSupports four ranges (configurable):0~10V (default)\/2~10V0~20mA \/4~20mA\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eSpecifications\u003c\/div\u003e\u003ctable class=\"tabSty-2 mgnTB subBlock alignc\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eModel\u003c\/th\u003e\u003ctd\u003e\u003cstrong\u003eModbus RTU Analog Input 8CH\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e\u003cstrong\u003eModbus RTU Analog Input 8CH (B)\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eCommunication interface\u003c\/th\u003e\u003ctd colspan=\"2\"\u003eRS485\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eBaud rate\u003c\/th\u003e\u003ctd colspan=\"2\"\u003e4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eDefault communication format\u003c\/th\u003e\u003ctd colspan=\"2\"\u003e9600, N, 8, 1\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eModbus protocol\u003c\/th\u003e\u003ctd colspan=\"2\"\u003eStandard Modbus RTU protocol\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd colspan=\"2\"\u003eDC 7~36V\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eSampling accuracy\u003c\/th\u003e\u003ctd colspan=\"2\"\u003e12-bit resolution, accuracy \u0026le;3%\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eData update rate\u003c\/th\u003e\u003ctd colspan=\"2\"\u003e25Hz\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eInput mode\u003c\/th\u003e\u003ctd colspan=\"2\"\u003esupports single-ended\/differential input, supports voltage and current simultaneous acquisition\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eDefault mode\u003c\/th\u003e\u003ctd\u003e8-ch current mode, 0~20mA\u003c\/td\u003e\u003ctd\u003e8-ch voltage mode, 0~10V\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eRange\u003c\/th\u003e\u003ctd\u003e0~5V\/1~5V  0~20mA\/4~20mA\u003c\/td\u003e\u003ctd\u003e0~10V\/2~10V      0~20mA\/4~20mA\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003ecurrent Sampling resistor\u003c\/th\u003e\u003ctd\u003e249Ω\u003c\/td\u003e\u003ctd\u003e499Ω\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #f6f7fb;\"\u003e\u003cdiv class=\"richTitle\"\u003ePrimary function\u003c\/div\u003e\u003cp class=\"richDesc\"\u003eSupports sending Modbus RTU protocol commands via RS485to acquire data from 0~20mA\/0~10V sensor\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Analog-Input-8CH\/Modbus-RTU-Analog-Input-8CH-details-3.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #F6F7FB;\"\u003e\u003cdiv class=\"richTitle\"\u003eIndustrial Grade Isolated Protection\u003c\/div\u003e\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 \u0026 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 the industrial environments with high requirement.\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Analog-Input-8CH\/Modbus-RTU-Analog-Input-8CH-details-5.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #eaeaf2;\"\u003e\u003cdiv class=\"richTitle\"\u003eSupports voltage\/current acquisition   Wider Measurement range\u003c\/div\u003e\u003cp class=\"richDesc\"\u003e8-ch analog acquisition interfaces, voltage and current acquisition is switchable via jumper. Multiple Ranges Configurable via Software\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Analog-Input-8CH\/Modbus-RTU-Analog-Input-8CH-details-7.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #f6f7fb;\"\u003e\u003cdiv class=\"richTitle\"\u003eInterface introduction\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Analog-Input-8CH\/Modbus-RTU-Analog-Input-8CH-details-9.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #f6f7fb;\"\u003e\u003cdiv class=\"richTitle\"\u003eConnection Diagram\u003c\/div\u003e\u003cp class=\"richDesc\"\u003eSupports setting device address (1~255) for Multi-Device Cascading, supports single-ended\/differential input, supports voltage and current simultaneous acquisition\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Analog-Input-8CH\/Modbus-RTU-Analog-Input-8CH-details-11.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #f6f7fb;\"\u003e\u003cdiv class=\"richTitle\"\u003eWide voltage power supply, isolated RS485 interface\u003c\/div\u003e\u003cp class=\"richDesc\"\u003eBuilt-in fuse and anti-reverse protection, with ESD protection for analog input \u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Analog-Input-8CH\/Modbus-RTU-Analog-Input-8CH-details-13.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #e6e7eb;\"\u003e\u003cdiv class=\"richTitle\"\u003eRail-Mount Support\u003c\/div\u003e\u003cp class=\"richDesc\"\u003eSupports 35mm standard guide rail, with rail-mount buckle, easy to install.\u003c\/p\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Analog-Input-8CH\/Modbus-RTU-Analog-Input-8CH-details-15.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"pdT\" style=\"background: #e6e7eb;\"\u003e\u003cdiv class=\"richTitle\"\u003eSupports stacking installation\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Analog-Input-8CH\/Modbus-RTU-Analog-Input-8CH-details-16.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eProduct Show\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Analog-Input-8CH\/Modbus-RTU-Analog-Input-8CH-details-17.jpg\" class=\"round1234\"\/\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eDimensions\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Analog-Input-8CH\/Modbus-RTU-Analog-Input-8CH-details-size.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv class=\"richTitle\"\u003eResources \u0026amp; Services\u003c\/div\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/LCD\/common\/res_banner.png\" \/\u003e\u003cdiv class=\"bgGrey\"\u003e\u003cstrong\u003eWiki:\u003c\/strong\u003e\u003ca href=\"http:\/\/www.waveshare.com\/wiki\/Modbus_RTU_Analog_Input_8CH\" target=\"_blank\"\u003ewww.waveshare.com\/wiki\/Modbus_RTU_Analog_Input_8CH\u003c\/a\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003ch2\u003eLieferumfang\u003c\/h2\u003e\u003cdiv class=\"msg msg_warning\"\u003eThe power supply of this product is not included, it is recommended to purchase \u003ca href=\"https:\/\/www.waveshare.com\/ord-psu-12v2a-5.5-2.1.htm\" target=\"_blank\"\u003e12V power supply\u003c\/a\u003e if you need it.\u003c\/div\u003e\u003ch2\u003eModbus RTU Analog Input 8CH\u003c\/h2\u003e\u003col\u003e\u003cli\u003eModbus RTU Analog Input 8CH x1\u003c\/li\u003e\u003cli\u003ePower supply terminal adapter x1\u003c\/li\u003e\u003c\/ol\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Analog-Input-8CH\/Modbus-RTU-Analog-Input-8CH-details-pack.jpg\" \/\u003e\u003c\/div\u003e\u003cdiv class=\"sep0px\"\u003e\u003c\/div\u003e\u003ch2\u003eModbus RTU Analog Input 8CH (B)\u003c\/h2\u003e\u003col\u003e\u003cli\u003eModbus RTU Analog Input 8CH (B) x1\u003c\/li\u003e\u003cli\u003ePower supply terminal adapter x1\u003c\/li\u003e\u003c\/ol\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-RTU-Analog-Input-8CH\/Modbus-RTU-Analog-Input-8CH-B-details-pack.jpg\" \/\u003e\u003c\/div\u003e","brand":"WaveShare","offers":[{"title":"Default Title","offer_id":53568465600849,"sku":"WSAL25821","price":11283.46,"currency_code":"HUF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/3798\/0753\/files\/wsal258211-450009.jpg?v=1776675109","url":"https:\/\/albistech.eu\/de\/products\/industrial-8-ch-analog-acquisition-module-12-bit-high-precision-supports-voltage-and-current-acquisition","provider":"Albistech","version":"1.0","type":"link"}