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 Supports the Successful Start-up of the World's Widest Glassine Paper Machine
2025-12-01 -
HollySys wins the bid for Inner Mongolia Shengyuan Hydrogen Energy Technology Co., Ltd. Green Power & Hydrogen Control Platform Project
2025-11-17 -
HollySys Supports Commissioning of Petro China Southwest Oil & Gasfield Company’s Ziyang Branch Natural Gas Purification Plant
2025-11-06