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The X2 is the second product of the streamlined Micro OCS Series of embedded I/O controllers. All units feature a built-in logic engine, operator interface, networking and I/O. Use the dropdown below to select from our two distinct models:  X2R (relay outputs) and X2A (digital outputs)

Current lead time is up to 6 weeks.

To try out an X2 Starter Kit CLICK HERE


The Horner App is the first automation app to give customers the ability to access all WebOCS enabled controllers with their iOS or Android phone or tablet.



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The small, sleek profile of the X2 enables you to fit more in your panel, saving space and resources. For an introductory product, the X2 packs a big picture into an overall small package. With just a 4.6” x 3.5” cutout, the overall design of the X2 is powerful, reliable, and durable.


In an effort to make implementing Horner OCS controllers as seamless and user-friendly as possible, we have selected a streamlined set of on-board I/O. The wide scope of digital and analog I/O make automating your applications, and your organization, as simple as the push of a button. If the built-in I/O of the X2 isn’t enough for your specific application, you can easily expand via CAN or serial.


In the market of fixed I/O, stand-alone controllers, the X2 is unmatched. Suited for most applications across a diverse range of industries, the X2 exceeds standards (and expectations). The intuitive user interface, rugged durability, and suite of capabilities within the X2 are similar to our more established XL line of products.


With the addition of the X2 OCS controller, our engineers at Horner Automation have designed a slim, versatile, and complimentary product to our existing line of robust industrial solutions. The X2, when utilized as an introductory piece, empowers your organization to grow by seamlessly incorporating additional Horner solutions (such as our more advanced X4 or premium X5 OCS controllers) to your expanding system.

Model Lineup

Built-In Inputs/OutputsHE-X2A (Model A)HE-X2R (Model R)
DC In1212
DC Out122
HS In44
HS Out22
mA In44
mA Out22
Note: There are four high-speed inputs of the total DC Inputs. There are two high-speed outputs of the total DC outputs.
Note: Model A supports sourcing outputs. Model R DC outputs are sinking with integral pull up resistors.


Ladder Logic Memory256 kB
Logic Scan Rate1.2 mS/K
Removable MemorymicroSD
Local Comment StorageYes
Floating Point SupportYes (32-bit)
AutoTune PID CapableYes (4 loops)
Characters / Pixels128 x 64
Display Technology2.2" Monochrome LCD
Character HeightSelectable Fonts
Number of Pages250
Fields or Objects per Page15
Total Keys20
Function Keys10
OEM Faceplate AvailableNo
Built-in I/O Points26 (Model R); 30 (Model A)
SmartStix, SmartRail, SmartBlock I/O Supportyes, CsCAN
Digital Inputs / Outputs, max1024 / 1024
Analog Inputs / Outputs, max512 / 512
General Purpose Registers (words)5000 r
General Purpose Internal Coils (bits)2,048 (1,024 retentive)
Total Active Ports2
RS-232 Ports / RS-485 PortsRS-232 / RS-485 (1 of each)
PLC / Drive ProtocolsYes
RTU / Modbus Master / SlaveYes
Serial ASCII In / OutYes
USB Ports (A and Mini-B)Mini-B only for programming
Ethernet SupportNo
Remote AccessEnvisionRV
Remote File AccessEnvisionFX
Integrated CAN NetworksStandard
Supported CAN NetworksCsCAN
Maximum CAN Distance1,640 ft.
Programming over CANYes
Height4.69″ / 119.18 mm
Width3.53″ / 89.76 mm
Total Depth1.4″ / 35.8 mm
Operating Temperature-10 to 60°C
Humidity (non-condensing)5 to 95%
Voltage24 +/-20% VDC
Product CertificationsCE, C’
Environmental RatingUL 50E Type 1, 4x, 12, 12k, 13

Documentation & Resources

DocumentReference NumberLink to Download
X2 Sales SheetHA-279
OCS Comparison GuideHA-294
Starter Kit Sales SheetHA-345
DRAWINGSElectrical (DWG)2D Mechanical (DWG / PDF)3D Mechanical (STP / IGS)
X2 User ManualMAN1130Download
X2 DatasheetMAN1131Download
X2 Quick Reference GuideMAN1132Download
App Guide for Updating FirmwareMAN1011


Certification TypeDownload Certificate
CE Declaration of Conformity
ISO 9001: 2015
Lithium Battery Test Summary


For more X2 and other videos, please visit our YouTube Channel

Firmware Review Notes

X2CSCAN 15.62August 2023EnhancementAdded OCS-I/O support for all models. NOTE: CNX100 requires Cscape 9.90 SP10 onwardsBootloader
X2CSCAN 15.62August 2023Bug FixResolved issue wherein timer output was turning on at startup (7639)Bootloader
X2CSCAN 15.62August 2023Bug FixResolved issue wherein after power cycle the first pulse output duration was either missed or way too short (7634)Bootloader
X2CSCAN 15.62August 2023Bug FixResolved issue wherein alarm history list was not getting retained after power cycle (5817) NOTE: Applicable to X2 only.Bootloader
X2CSCAN 15.62August 2023Bug FixResolved issue wherein filename counter was not working properly if a file with screen capture is downloaded previously (5717)Bootloader
X2Download Firmware 15.62 Release Notes
X2CSCAN 15.60February 2023Bug FixResolved issue when Full Duplex communication was not working properly with multiple slaves
connected. (7587)
X2CSCAN 15.60February 2023Bug FixApplicable to XLEe / XLTe only
Resolved issue when WebMI license details on System Menu were not retained if ethernet cable or microSD card was removed. (9554/1258)
X2CSCAN 15.56September 2021Bug FixResolve issue when occasionally microSD card was not detecting / reading properly when card
was plugged and unplugged repeatedly. (4703)
X2Download Firmware 15.56 Release Notes
X2CSCAN 15.54July 2021Bug FixResolved issue when Modbus communication on MJ2 stops working and unit locks up. (2769)Bootloader
X2CSCAN 15.54July 2021Bug FixResolved issue when MJ1 RS 232 Handshake fails on XLEe Generation 2 (Data Set Ready / DSR) - issue related to Modem. (5171)Bootloader
X2CSCAN 15.54July 2021Bug FixResolved issue where in Real to DINT conversion was giving incorrect result for some values. (5314)Bootloader
X2CSCAN 15.54July 2021Bug FixResolved issue when using the Report Editor, an extra character was being added to the end of the report before the Carriage Return, throwing off the printer. (4699)Bootloader
X2CSCAN 15.54July 2021Bug FixResolved issue wherein X2 was locking up which used Serial Modbus Master protocol. (5622)Bootloader
X2Download Firmware 15.54 Release Notes
X2CSCAN 15.52May 2021EnhancementIncreased ladder size from 256KB to 512KB. (4318)Bootloader
X2CSCAN 15.52May 2021Bug FixResolved issue where the unit was continuously rebooting when the downloaded program was configured with > %R2048 in PID block and placed in RUN mode. (4943)Bootloader
X2CSCAN 15.52May 2021Bug FixResolved issue where a unit was continuously rebooting when "Auto Tune" feature was enabled in PID block in Firmware 15.50. (5646)Bootloader
X2Download Firmware 15.52 Release Notes
X2CSCAN 15.40July 2020EnhancementDownloadable protocol enable/disable options now available for full Network and also for individual devicesCscape 9.90 SP3
X2CSCAN 15.40July 2020EnhancementEmail with TLS encryption support (Ethernet based units only)
Cscape 9.90 SP3
X2CSCAN 15.40July 2020Enhancement
Structure support in RM blocksCscape 9.90 SP3
X2CSCAN 15.40July 2020EnhancementLoad of firmware using MicroSD (Ethernet based units only)
X2CSCAN 15.40July 2020Bug FixSetpoints not loaded when loading .pgm file in controller with Cscape 9.90 SP1 & SP2Cscape 9.90 SP3
X2CSCAN 15.40July 2020Bug FixCsCAN ladder blocks can now use registers greater than %R2048Cscape 9.90 SP3
X2CSCAN 15.40July 2020Bug FixPID blocks, Modbus master and slave blocks, Alarm block can now use registers greater than %R2048Cscape 9.90 SP3
X2CSCAN 15.40July 2020Bug FixReduced Jitter for analog inputs, making them more stable
X2Download Firmware 15.40 Release Notes
X2ACSCAN 15.24Sept 2019Bug FixDuring boot up, the analog outputs are ON at a level of approximately 20mA for up to two (2) seconds. The analog outputs return to their normal levels when boot up is complete.REV BB or earlier*
X2RCSCAN 15.24Sept 2019Bug FixDuring boot up, the analog outputs are ON at a level of approximately 20mA for up to two (2) seconds. The analog outputs return to their normal levels when boot up is complete.REV BB or earlier*
X2Download Firmware 15.24 Release Notes

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