SYSMAC CJ-series CJ2M CPU Units, Pulse I/O Modules CJ2M-CPU3@/-CPU1@/-MD21@ CSM_CJ2M-CPU3 -CPU1 -MD21 DS_E_9_1 Since 2001, CJ1M-series PLCs are in control of a wide variety of applications worldwide. The accumulated experience and advancements in technology now result in CJ2M fully compatible, yet fully new. CJ2M-MD21@ CJ2M-CPU3@ CJ2M-CPU1@ • Increased performance, and increased memory capacity • Up to 40 I/O unit on any CPU • Pulse I/O Modules add position control functions to any CPU • USB for plug-and-play access to the PLC • All models available with or without Ethernet port • Choice of serial port plug-in modules Features • Five variations in program capacity from 5K steps to 60K steps scale the CPU to your application needs. • Faster processors LD instruction execution time is reduced to 40 ns, floating point trigonometrics in less than 1 μs. • Optional Pulse I/O Modules can be mounted to enable positioning functions for up to four axes. The module provides high-speed counters, interrupt inputs and pulse train/PWM outputs. (CJ2M CPU Units with Unit Version 2.0 or Later) • Faster Function Block calls and execution, faster interrupt handling, less overhead time. • Added execution memory for Function Blocks allows structured, object-oriented programming even in entry-level CPUs. • General-purpose Ethernet port supports EtherNet/IP tag-based data links, connection toSupport Software, communications between PLCs, FTP data transfers, and more (CJ2M-CPU3@). • Standard USB port on all models allows Support Software to connect directly through standard USB cable. • A Serial Option Module can be mounted to add RS-232C or RS-422A/485 communications ports (CJ2M-CPU3@). • Compatible with all existing CJ1 power supply-, I/O-, control- and communication units. 1
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