OMRON CJ2M-CPU33 CJ2M CPU Unit, built-in EtherNet/IP port, 20K step program, 32K word data memory, 32K words x 1 EM group, 2560 I/O max, RS-232C/485 option port, USB programming port, up to 3 expansion racks CJ2 PLC: High performance modular controller. Thanks to its high degree of configuration flexibility, the CJ2 is an ideal solution for a wide range of machines in a variety of applications, from packaging, food and commodities to digital and automotive. Connectivity to most industrial communication networks on the market is a key factor in using CJ2 controllers in all applications that require data exchange between machines. scalability between CJ2M and CJ2H CPUs enables an exact match between the required functionality and the hardware to be used, thus always providing the perfect price/performance ratio in every application. The robustness and proven quality of the solutions complete the value of these products.