News
May 15.2026
Zero Jitter: The Ultimate Scan Cycle Stability of FATEK M Series HARD PLC
Zero Jitter: FATEK M Series HARD PLC
Scan Cycle Stability
In precision machining and continuous production lines, the "scan cycle stability" of a controller is the core of product consistency. Any fluctuation (Jitter) leads to action timing misalignment. Relying on HARD PLC technology, the FATEK M PLC achieves near 0% execution jitter, ensuring system performance remains flawless from day one.
Scan Cycle Stability
To verify the stability of the M PLC under long-term, high-load operation, we used an oscilloscope to conduct a comparative observation between the Hard PLC (M PLC) and a traditional Soft PLC (based on a software control architecture).
The signal intervals on the oscilloscope are extremely regular, with jitter fluctuation approaching 0%.
Signal intervals show visibly irregular deviation, with jitter fluctuation reaching up to 30%.
Scan Cycle
Figure: Scan cycle jitter waveform comparison between Hard PLC and Soft PLC
* Data as of April 2026, based on internal benchmark tests and referenced from publicly available catalogues.
Practical Applications: What are the benefits of a stable scan cycle?
High-Speed Flying Shear & Chase Cutting
In high-speed production lines, the timing of cutting actions allows no margin for error. If the scan cycle jitters, the cutting trigger timing shifts, resulting in inconsistent cut lengths. The M PLC's stable performance ensures high-speed and precise cutting, significantly reducing material waste.
Precision Dispensing
During movement, dispensing machines must accurately control the opening and closing of the glue valve. An unstable scan cycle causes delayed or premature valve switching, leading to uneven glue lines or even breaks. The M PLC, with near 0% jitter, ensures perfect synchronization between the dispensing path and volume.
Multi-axis Synchronization
When multiple servo motors require interpolation or synchronized linkage, control commands must be issued with extreme regularity. Any cycle fluctuation is magnified as a deviation in motor position. The M PLC provides an extremely stable control heartbeat, ensuring smooth and precise operating trajectories for multi-axis systems.
Why does the M PLC operate with almost no system lag?
The M PLC adopts an exclusive HARD PLC hardware-driven architecture, fundamentally solving the pain point of Soft PLCs, which are susceptible to operating system (OS) resource scheduling and background programs leading to instability. Through a pure hardware execution mechanism, the M PLC completely eliminates unstable factors such as crashes and system anomalies, and features ultimate hard real-time computing capabilities.
Furthermore, it achieves an "undecaying precision" unattainable by Soft PLCs: even after years of continuous high-load operation, its scan cycle remains at the exact same microsecond-level precision as the very first second of booting up. This extremely stable timing control characteristic makes it the most reliable core brain in demanding processes with extremely low fault tolerance.
Summary of Advantages: Long-term Commercial Value
Ultimate Consistency
Near 0% jitter means every action and every cycle is triggered at the precise time point, ensuring consistent production quality across tens of thousands of units.
Long-term Stability
Performance does not degrade over time, eliminating the hassle of periodically rebooting the system to free up resources, thereby significantly improving Overall Equipment Effectiveness (OEE).
Easy Maintenance
No virus threats and no compatibility risks brought by OS patch updates, returning the control system to its purest, most reliable state.
Related Downloads
| Item | Type | Download |
|---|---|---|
| M PLC Catalog |
