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Hollysys High Performance High Reliability Large Scale Programmable Logic Controller Lk PLC1
Electrical Control SystemHollysysPLC
Hangzhou HollySys Automation Co., Ltd.
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Product Description About LK Large-Scale PLCLK 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 FeaturesHigh 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 retentionHarsh 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 timeEasy to Use· Hot swap for all modules· Foolproof design for module mountingTechnical DataModelLK220LK222LK224 Controller clock speed 600MHz667MHz766MHzInstruction execution timeBit operation15 ns10 ns7 nsFixed-point operation25 ns 10 ns7 nsFloating-point operation25 ns 18 ns 12 ns MemoryIntegrated memory (program + data)24 MB32 MB64 MBPower-loss retentive memory512 KB MRAM (R area: 64 KB;M area: 4 KB)512 KB MRAM(R area: 96 KB;M area: 6 KB)512KBMRAM(R area: 128 KB; M area: 8 KB)Communication interfaceIntegrated Ethernet2 × RJ45 Interface, 10/100M adaptive, dual-network-port redundancy;supporting Modbus TCP and HolliTCP protocolsCommunication protocolsModbus TCP (max.master/slave connections)163264 Powerlink (max. PL slaves)128256256Profibus-DP (max. PL slaves)124124124Communication modulesLK240 × 1, LK249 × 1, LK246 × 2, LK241 × 1LK240 × 1, LK249 × 1, LK246 × 2, LK241 × 2LK240 × 1, LK249 × 1, LK246 × 2, LK241 × 2Configuration capacity Input variable area (I)32 KB max.64 KB max.128 KB max. Output variable area (Q)32 KB max.64 KB max.128 KB max. Global variable area (N)1 MB4 MB6 MBFree variable area (M)1 MB2 MB4 MBPower-loss retentivearea ?64 KB max.96 KB max.128 KB max.Packaging & DeliveryCategoryInternational Commercial Terms (Incoterms)Terms of PaymentNearest PortLK Large Scale PLCCIF, CFR, DAPLC, T/T, D/PShanghai, Guangzhou, TianjinRelated ProductsLKS Safty PLCLE Compact PLCMC Motion ControllerCompany Profile
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