R in RX stands for Ruggedised and more Robust approach to our OCS family. All RX units are equipped with completely Metal Housing and work with Metal SmartStack modules only.
The RX range offers one unit available at the moment - a 5.7''QVGA with standard 10/100Mbps Ethernet and MicroSD® onboard. The units features a TFT display with adjustable backlight offering the best visual comfort in all lighting conditions. The RX with its full IEC61131-3 integrated development environment for logic, HMI design and networking is a very capable PLC with full graphics capability.
What makes it Rugged?
Communications options for any application
The RX has two serial ports with support for simultaneous running protocols giving the abillity to connect to virtually any serial device. The built-in web-server offers the system designer a light-weight alternative to more complex SCADA systems. The MicroSD® can also serve as recipes storage and/or datalogging repository for up to 2GB of data. The FTP server allows system administrators to upload new recepies data and new web pages as well as download the latest datalogs.

Features and benefits
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Specifications
| Specification Base Unit |
RX371 |
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| App. Programming Environment |
Cscape (logic plus screen development - ladder or full IEC-61131) |
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Display Size |
5.7" |
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| Display Technology |
LCD TFT Display |
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| Resolution |
320x240 |
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| MicroSD Slot |
Yes |
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| Ladder Logic Memory |
256k Bytes |
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| Register (Reference) Memory |
32k Bytes |
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| Logic Scan Rate |
0.2ms/k (typical)* |
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| Embedded Ethernet |
10/100Mbit |
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| Web Server & FTP Server |
Yes |
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| SmartStack option |
Yes (Direct Mount - No Backpack Required) Metal SmartStack required |
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* Total Ladder scan is impacted by several factors - logic, I/O, screen and communication updates
RX371 with the Metal SmartStack:

| Preview | Details | Link |
|---|---|---|
RX371 Datasheet HE-RX371 / HERX371C101 datasheet | ||
RX371 User Manual User Manual for HE–RX371 / HERX371C101 | ||
RX371 Manual User Manual |
http://www.horner-apg.com/filemanager/getfilelist.aspx?categories=rx&lang=EN
Cscape - OCS Programming Software
SmartStack : SmartStack I/O is mounted directly on the unit; it allows the flexibility of using digital, analog and specialty I/O boards
FOX I/O : The SmartStack Fiber Optic Expansion (FOX) Base extends a high-speed OCS back plane enabling PLASTIC SmartStack I/O Modules to be mounted several meters from the OCS
SmartMod : SmartMod I/O is a Serial Modbus system and can work with any OCS
SmartStix : SmartStix I/O is a terminal-block style I/O for the CsCAN network
SmartBlock : SmartBlock I/O is an advanced CsCAN network terminal-block style I/O
SmartRail : The SmartRail Ethernet I/O Base is one of three offerings, along with CsCAN (summer 2010) and Profibus DP. This allows it to work great with OCS, or even with third party controllers.