Omron CJ2M-CPU11 is a modular programmable logic controller CPU unit from the SYSMAC CJ series. 5K steps program capacity, 32K words data memory (DM), and 32K words × 1 bank extended memory (EM). Maximum 2,560 I/O points and up to 3 expansion racks. Built‑in RS‑232C serial port and USB programming port for flexible connectivity. Suitable for small to medium machine automation and OEM control systems. Applications: Small machine automation and control Packaging machinery and sequencing Conveyor and material handling systems OEM equipment integration Core Specifications: Program capacity: 5 K steps Data memory (DM): 32 K words Extended memory (EM): 32 K words × 1 bank LD instruction execution time: 0.04 µs Total I/O capacity: 2,560 points / 40 units Expansion racks: 3 racks max. Built‑in communication ports: RS‑232C serial port, USB programming port Power supply: external power supply unit required (sold separately) Mounting: DIN rail Certifications: CE, cULus, NK, Lloyd Advanced Specifications: Current consumption: 5 V DC, 0.7 A Processing time (1K binary operation): 0.04 ms Number of HW interfaces: USB ×1, RS‑232 ×1 Battery backup: yes Dimensions (W × H × D): 31 mm × 90 mm × 84.5 mm Weight: approx. 130 g Operating temperature: 0 °C … 55 °C System Integration: This CPU unit belongs to the Omron SYSMAC CJ series. Programming and configuration performed using CX‑Programmer (version 9.1 or higher). Compatible with CJ1 power supply units, I/O units, control units, and communication units. Expands with CJ series I/O and Special I/O Units via the CJ I/O bus. Requires a CJ series power supply unit (e.g., CJ1W‑PA202, CJ1W‑PA205R) and optionally a backplane for multi‑rack configurations. Related Products: CJ1W‑PA202 – Power supply unit, 100‑240 V AC, 14 W CJ1W‑PA205R – Power supply unit, 100‑240 V AC, 25 W, with RUN output CJ1W‑ID211 – 16‑point DC input unit, screw terminal CJ1W‑OD212 – 16‑point PNP transistor output unit CJ1W‑OC211 – 16‑point relay output unit CJ1W‑CIF11 – RS‑485 adapter for serial port expansion