Mitsubishi FX3U-4HSX-ADP Description Description Mitsubishi PLC, FX3U High-speed counter module (4x 200 kHz) Related products MITSUBISHI FR-A540-22K Mitsubishi FX2N-32ET-ESS/UL Mitsubishi FX2N-16EYR-ES/UL MITSUBISHI FR-A540-15K-EC MITSUBISHI MR-J2-40A MITSUBISHI FX1N-40MR-DS