The Mitsubishi Q12HCPU is a High Performance model CPU for the MELSEC-Q programmable controller platform. It provides 124k steps (496 KB) of program capacity, up to 4096 direct I/O points, and 34 ns basic instruction processing, and supports multiple-CPU configurations for splitting sequence and motion tasks across processors on the same base.MELSEC-Q CPUs mount on Q-series base units alongside modular power supply, I/O, analog, and network modules, and are programmed with GX Works2/GX Developer. The platform is widely installed in machine control, process skids, and factory automation lines.Technical Specifications Series MELSEC-Q (High Performance model QCPU) Program capacity 124k steps (496 KB) I/O points 4096 Basic instruction speed 34 ns Multi-CPU support Yes Programming ports USB, RS-232 Programming software GX Works2 / GX Developer Mounting Q-series base unit