Tech Articles | PLC Programming Mitsubishi GX Developer Timer Tutorial: PLC Programming Guide for Beginners (FX Series ByBob Odhiambo May 11, 2025January 18, 2026 In PLC programming, the control of time is an essential factor when it comes to timely control in automation. Learn how to represent timers in the Mitsubishi’s MELSEC series FX-3u PLC using the GX Developer software.