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All NX Series OCS Units feature an integrated Operator Interface and Control Engine, support downloadable PLC/Drive Communications Protocols and feature a CompactFlash slot.
Please call our Customer Service Department at (877) 665-5666 with any NX questions.
All NX Series OCS Units feature an integrated Operator Interface and Control Engine.
NX Series OCS also support downloadable PLC/Drive Communications Protocols and a CompactFLASH slot.
NX Series OCS come standard with a variety of Networking and I/O Interfaces.
CsCAN is standard for networking and SmartStix I/O Support.
Up to 4 SmartStack I/O modules are supported through Plastic SmartStack Modules (metal SmartStack modules are NOT supported).
| SPECIFICATIONS | HE-NX220 | HE-NX221/HE-NX222 | HE-NX250 | HE-NX251/HE-NX252 |
|---|---|---|---|---|
| Application Programming Environment | Cscape or IEC-61131 | Cscape or IEC-61131 | Cscape or IEC-61131 | Cscape or IEC-61131 |
| Ladder Logic Memory | 256K Bytes | 256K Bytes | 256K Bytes | 256K Bytes |
| Register (Reference) Memory | 32K Bytes | 32K Bytes | 32K Bytes | 32K Bytes |
| Logic Scan Rate | 0.1mS/K (typical)* | 0.1mS/K (typical)* | 0.1mS/K (typical)* | 0.1mS/K (typical)* |
| CompactFLASH | Yes | Yes | Yes | Yes |
| Built-in >500 KHz HSC and PWM | No | Yes (NX222 only) | No | Yes (NX252 only) |
| Display Technology | Backlit LCD | Backlit LCD | Backlit LCD | Backlit LCD |
| Display Size | 128x64 | 128x64 | 240x128 | 240x128 |
| Function Keys with LEDs (Soft Keys) | 10 (4) | 10 (4) | 10 (8) | 10 (8) |
| Application Memory - Graphics | 1MB | 1MB | 1MB | 1MB |
| I/O Supported (Number I/O) | SmartStack Snap-on I/O** and SmartStix Remote I/O | |||
| FOX Fiber Optic I/O Supported | Yes | Yes | Yes | Yes |
| Networking | CsCAN and 2-Serial Ports | |||
| Embedded Ethernet | No | Yes | No | Yes |
| Supports PLC/Drive Protocols | Yes | Yes | Yes | Yes |
* Total ladder scan is impacted by several factors—logic, I/O, screen, and communications updates.
** NX models require plastic SmartStack I/O modules if snapped-on back
| Document | Reference Number | Link to Download |
|---|---|---|
| DRAWINGS | ||
| 3D Mechanical (IGS) |  | |
| 2D Mechanical (DWG) | | |
| Overlay (DWG/PDF) | | |
| 3D Mechanical (STP) | | |
| TECHNICAL DOCUMENTATION | ||
| NX Series Data Sheet | MAN0779 | |
| NX Series User Manual | MAN0781 | |
| NX Clips Accessories Guide | MAN0806 | |
