Overview
NX range offers exceptional value for money. Available in two screen sizes (128×64 and 240×128) with an optional touch screen it has full monochrome graphics capabilities and supports all of our I/O systems (SmartStack, SmartStix, SmartMod) at the same time. This I/O capability coupled with the dual protocol capabilities, Ethernet and Fieldbus support, makes the NX a fantastic systems gateway.
Depending on your application needs the NX offers incredible power for a good price. The OCS with its full IEC61131-3 integrated development environment for logic, HMI design, networking and I/O configuration is a very capable PLC with full graphics capability.
The operator interface used in the NX series is a high visibility graphics monchrome LC-Display with green adjustable backlight offering excellent readability to the user in the most difficult conditions.
Specifications
| Specification |
NX220 |
NX221 |
NX 250 |
NX251 |
| Application Programming Environment |
Cscape (ladder logic plus screen development) or IEC-61131 Programming languages |
| Web Server |
No |
Yes |
No |
Yes |
| Ladder Logic Memory |
256kB |
256kB |
256kB |
256kB |
| Register (Reference) Memory |
32kB |
32kB |
32kB |
32kB |
| Logic Scan Rate |
0.1ms/k (typical)* |
| CompactFLASH |
Yes |
Yes |
Yes |
Yes |
| Display Technology |
Backlit LCD |
| Display Size |
128 x 64 |
128 x 64 |
240 x 128 |
240 x 128 |
| 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 (4096 digital, 1024 analog) |
| FOX Fiber Optic I/O Supported |
Yes |
Yes |
Yes |
Yes |
| Networking |
CAN and 2 Serial Ports (each RS-232 or RS-485) |
| 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 communication
updates
** NX models require plastic SmartStack modules if snapped-on back.
| Physical Specifications |
| Height(mm/in) |
163.44/6.44″ |
| Width(mm/in) |
230.55/9.07″ |
| Depth(mm/in) |
61.5/2.42″ |
Remote I/O
Remote I/O available for this product includes:
