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
-
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
-
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)
-
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
-
Easy to Use
Hot swap for all modules
Foolproof design for module mounting
Services & Support
The Latest
-
HollySys Supports Commissioning of Shanghai Electric Taonan Wind-Biomass Coupled Green Methanol Demonstration Project
2025-08-05 -
HollySys Empowers Datang Liaoyuan Power Plant DCS Upgrade and Retrofit
2025-07-24 -
HollySys Wins Control System Contract for ChinaCoal Erdos Energy & Chemical 100 KTA Liquid Sunshine Project
2025-07-09
