About LK Large Scale PLC
LK Large Scale PLC is designed for medium to large-scale control systems and high-performance control applications. It boasts single CPU and dual-rack redundant CPU design, ensuring fast operation and stable control. Drawing upon over 20 years of professional expertise, LK offers reliable, innovative factory automation, evolving for better reliability. With 10,000+ global installations, LK is rigorously validated for optimal performance.
Product Features
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High Reliability
Field-to-system and channel-to-channel isolation
Fault diagnosis, limit alarm, and fail-safe output
MRAM non-volatile memory for power-loss data retention
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Harsh Environmental Adaptability
Operating temperature from -20°C to +70°C
Storage temperature from -40°C to +80ºC
PCB with conformal coating
Compliant with EMC standards (IEC61000-4/IEC61131-2)
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High Performance
Less than 100 ms of CPU switchover time
Less than 100 μs of minimum task scheduling time
Less than 200 ms of loop response time
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Easy to Use
Hot swap for all modules
Foolproof design for module mounting
Services & Support
The Latest
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HollySys Showcases Advanced Rail Solutions at LTA Technology Sharing Workshop
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2026-05-28 -
HollySys Enables SIL3-Level Safety at BASF Zhanjiang Verbund Site Aligned with the World's Highest Safety Standards
2026-04-17