The FX1N is an introductory micro PLC meant for simple yet performance-critical applications. With internal positioning capabilities, comprehensive expansion options, and a battery-less maintenance- free design, the FX1N provides a competitive answer for controlling systems with up to 128 I/O.

Basic instructions: 0.7 µs / instruction (Contact Instruction)
Applied Instructions: 3.7 µs / instruction (MOV Instruction)
8,000 steps of built-in program memory
No battery. No maintenance.
Controllable I/O: 14-28 points (132 with FX1N-4EX-BD)
Main Unit I/O: 14/24/40/60 points
| Auxiliary Relays | 1,536 points |
| Timers | 256 points |
| Counter | 235 points |
| Data Registers | 8,000 points |