--- product_id: 806583604 title: "8-24CH 4-20MA to RS485 Current Analog Input Collector Module MODBUS RTU Board for PT100 K Thermocouple Pressure Sensor DC 12 24V(8CH Only Board)" brand: "emconrtol" price: "฿2223" currency: THB in_stock: true category: "Emconrtol" url: https://www.desertcart.co.th/products/806583604-8-24ch-4-20ma-to-rs485-current-analog-input-collector store_origin: TH region: Thailand --- # Anti-surge TVS protection Selectable baud rate up to 115200BPS Hardware reset function 8-24CH 4-20MA to RS485 Current Analog Input Collector Module MODBUS RTU Board for PT100 K Thermocouple Pressure Sensor DC 12 24V(8CH Only Board) **Brand:** emconrtol **Price:** ฿2223 **Availability:** ✅ In Stock ## Summary > ⚙️ Power your precision with pro-grade MODBUS control — don’t get left behind! ## Quick Answers - **What is this?** 8-24CH 4-20MA to RS485 Current Analog Input Collector Module MODBUS RTU Board for PT100 K Thermocouple Pressure Sensor DC 12 24V(8CH Only Board) by emconrtol - **How much does it cost?** ฿2223 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/806583604-8-24ch-4-20ma-to-rs485-current-analog-input-collector) ## Best For - emconrtol enthusiasts ## Why This Product - Trusted emconrtol brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Robust Surge Defense:** Built-in TVS anti-surge and self-recovery fuse for ultimate device protection. - • **Smart Data Integrity:** Choose from no check, even, or odd parity modes to ensure error-free data transmission. - • **Adaptive Timing Control:** Set data return intervals up to 1000ms for optimized real-time monitoring. - • **Customizable Communication Speed:** Flexible baud rates from 1200 to 115200BPS to match your network needs. - • **Seamless Multi-Device Integration:** Supports up to 64 MODBUS RTU devices in parallel for scalable automation. ## Overview The 8-24CH 4-20MA to RS485 Current Analog Input Collector Module is a compact, industrial-grade MODBUS RTU board designed for precise sensor data acquisition. Featuring hardware reset, anti-surge TVS protection, and flexible baud rate settings, it supports up to 64 devices in parallel, making it ideal for scalable automation and real-time monitoring in professional environments. ## Description Packing list: 1PCS (select the version you need)Features:Working voltage: DC 7-25V (DC 12V/24V)Working current: standby 6-8MA, working current 10-30MASupport standard Modbus RTU command, function code: write 06/16 read 03/04With hardware reset function, RS485 with TVS anti-surge protection, anti-reverse power supply and self-recovery fuseIn MODBUS command mode, up to 64 devices can be used in parallelThe default baud rate is 9600BPS, the baud rate can be selected by command 1200 2400 4800 19200 38400 57600 115200BPSYou can choose the check mode is no check, even check and odd checkYou can set the data sending return time, the maximum can be set to 1000msMaximum load: 10A/250VAC, 10A/125VAC, 10A /30VDC, 10A /28VDC, 10A /12VDCN4AIA08 version:8-channel 0-20MA/4-20MA acquisitionDimensions 47*72*12mm (circuit board) 49*82*40mm (box with guide rail):Weight: 33 grams (circuit board); 77 grams (box with rails)N4AIB16 version:15 channels 0-20MA/4-20MA acquisition and 1 channel 0-30V voltage acquisition;Size 77* 72 * 12mm (circuit board) 79* 82*40mm (with rail box):Weight: 54 grams (circuit board); 116 grams (with rail box)N4AIC24 version:22-channel 0-20MA/4-20MA acquisition and 2-channel 0-30V voltage acquisition;Size 99* 72 * 12mm (circuit board) 101* 82*40mm (with rail box):Weight: 70 grams (circuit board); 146 grams (with rail box)Interface definition:VIN : Power input+GND: Power input-I1: Current input channel 1I2: Current input channel 2I3: Current input channel 3I4: Current input channel 4I8: Current input channel 8I15: Current input channel 15I22: Current input channel 22V1+: Voltage input channel 1V2+: Voltage input channel 2A+: RS485 signal A+B-: RS485 signal B-For more information, please contact meApplicationPLC Output expansion boar ## Features - With hardware reset function, RS485 with TVS anti-surge protection, anti-reverse power supply and self-recovery fuse - In MODBUS command mode, up to 64 devices can be used in parallel - The default baud rate is 9600BPS, the baud rate can be selected by command 1200 2400 4800 19200 38400 57600 115200BPS - You can choose the check mode is no check, even check and odd check - You can set the data sending return time, the maximum can be set to 1000ms ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DR8JMW1N | | Best Sellers Rank | #2,065,662 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #379 in Home Automation Modules | | Item Weight | 5.9 ounces | | Item model number | N4AIA08 | | Manufacturer | EMCONRTOL | | Package Dimensions | 4.72 x 4.33 x 3.54 inches | ## Images ![8-24CH 4-20MA to RS485 Current Analog Input Collector Module MODBUS RTU Board for PT100 K Thermocouple Pressure Sensor DC 12 24V(8CH Only Board) - Image 1](https://m.media-amazon.com/images/I/61cdvO7IvcL.jpg) ![8-24CH 4-20MA to RS485 Current Analog Input Collector Module MODBUS RTU Board for PT100 K Thermocouple Pressure Sensor DC 12 24V(8CH Only Board) - Image 2](https://m.media-amazon.com/images/I/41zPdhOvj6L.jpg) ![8-24CH 4-20MA to RS485 Current Analog Input Collector Module MODBUS RTU Board for PT100 K Thermocouple Pressure Sensor DC 12 24V(8CH Only Board) - Image 3](https://m.media-amazon.com/images/I/41m4X1OugXL.jpg) ![8-24CH 4-20MA to RS485 Current Analog Input Collector Module MODBUS RTU Board for PT100 K Thermocouple Pressure Sensor DC 12 24V(8CH Only Board) - Image 4](https://m.media-amazon.com/images/I/51Tq-fhdBgL.jpg) ![8-24CH 4-20MA to RS485 Current Analog Input Collector Module MODBUS RTU Board for PT100 K Thermocouple Pressure Sensor DC 12 24V(8CH Only Board) - Image 5](https://m.media-amazon.com/images/I/51vD8LTqHGL.jpg) ## Available Options This product comes in different **Color** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/806583604-8-24ch-4-20ma-to-rs485-current-analog-input-collector](https://www.desertcart.co.th/products/806583604-8-24ch-4-20ma-to-rs485-current-analog-input-collector) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-10-07*