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RX371 Ruggedized Color Touch OCS with 5.7" QVGA
  • Impact Resistant Lexan® Touch Screen
  • Cast Aluminum and Steel Chassis
  • Fast Logic Scan & Screen Updates
  • 700 NIT Brightness Rating
  • Conformally Coated Printed Circuit Boards
  • Rugged Function Keys rated at over 30 million Operations
  • Snap-On I/O with up to (4)SmartStack® Units
  • MicroSD® Storage
  • Embedded Ethernet and Web Enabled
  • USB Mini B Port for Easy Programming
  • USB A Connector Supports Data Exchange with USB Flash Drives
  • Programmed with our Free Software Package, Cscape™
  • Removable Connectors for Easy Wiring


RX371 Ruggedized Controller
The RX371 is the most rugged OCS Horner has ever manufactured and is designed for harsh environment use, with its cast aluminum and steel chassis, ruggedized heavy duty function keys and impact resistant Lexan® touch screen. Snap-on I/O is provided by up to four metal SmartStack® units directly on the back. SmartStix® expansion I/O is also supported.

The RX371 features a bright new 5.7” QVGA, TFT screen with over 32K colors. The screen is bright with a 700 NIT brightness rating. RX371 is fast and has a typical logic scan rate of 0.2mS/K. RX371 has advanced control capabilities including floating point, multiple autotuning PID loops and string handling capabilities. In addition, the RX371 features embedded Ethernet and supports many Internet capabilities such as remote data access, programming, hosting HTML-based web pages, and FTP file transfer. Plus, it has a built-in MicroSD® memory slot that allows users to easily store machine or process data and screen captures (up to 2GB). Programs can be updated and loaded through MicroSD®…a real advantage for OEMs or those supporting distant sites.


The RX371 Color Touch OCS has optional I/O features, too. The base RX371 unit provides control, operator interface, and communication functionality while the optional metal SmartStack® or remote SmartStix® units provide I/O connectivity. A USB Mini B connector allows easy connection to your PC for programming and interface design. A USB A connector supports data exchange with standard USB flash drives.


Ruggedized features for harsh enviroments and rigorous use

The RX371 is unique as it has been optimized for enhanced temperature, environmental, shock and vibration protection. Circuit boards are conformally coated, adding a layer of protection. Plus, the touch screen is constructed of Lexan® and is impact resistant. All function keys have been designed for 30 Million + operations with outstanding tactile feel. Finally, the RX371 incorporates a metal chassis designed for rigorous use.


Magnetic Technology Function Keys for over 30 Million Operations



Display Type (LCD with Backlight) 5.7" QVGA TFT w/32,000 colors. 700 NIT
Display Screen Dimensions 320 x 240 pixels
Display Memory 2.75 MB
User Keys 5 user-defined Function Keys and 1 System
Key designed for 30 Million + operations
Number of Screens Supported 1023
Serial Ports 2 Serial Ports, RS-232/RS-485
SmartStack Support Up to (4) metal SmartStacks directly on back
SmartStix Support Yes
Ethernet 10/100 MBPS Ethernet
Removable Media MicroSD® Storage up to 2 GB
USB A Connector Support for USB Flash Drives
USB Mini B Connector Programming Port
Temperature Range -30° to 60° C
Approvals CE, UL and C-UL pending
Environmental NEMA 4X and IP66
Impact Rating Exceeds requirements for IK7
Height 5.964" (151.49mm)
Width 7.682" (195.12mm)
Depth 2.425" (61.60mm)
Weight 54 oz (1.53kg)
Horner Part Number  HE-RX371

RX371 Brochure  

 RX371 Manual