Hollysys High Performance High Reliability Lks Sil2 Safety Instrumented System Sis

Customization: Available
Signal: Continuous
Function: Automatic Control, Protection, Monitoring, Measurement

Product Description

Basic Info

Model NO.
LKS SIL2 SIS
Certification
CE, Eac; TUV; Sil2; G3
Condition
New
Customized
Customized
Housing
Plastic Sealing Process
Signal Type
4-20 Ma Hart
Control Type
Process Control
Origin
China
HS Code
8537101101
Production Capacity
8,000 Sets/Year

Product Description

LKS SIL2 SIS is SIL2-certified by TÜV SÜD and tailored for complex safety applications that require high reliability, efficiency, and flexibility. It protects people, equipment, processes, and investments, giving customers confidence in their safety needs. Utilizing 1oo1D architecture, it is ideal for critical applications such as Emergency Shutdown Systems (ESD), Process Shutdown Systems (PSD), Burner Management Systems (BMS), Fire & Gas Systems (FGS), Emergency Trip Systems (ETS), and Gas Detection Systems (GDS).

Enhanced Safety

· 1oo1D architecture
· Software with de-compilation verification
· Compliant with SIL2 standard (IEC61508/IEC61511/EN50128/ EN50129/EN50126)

High Reliability

· 99.99% safety loop availability
· Over 90% of diagnosis coverage
· 100,000-hour MTBF

High Scalability

· 124 1/0 slave stations / 900+ 1/0 points per control station
· Seamless integration with LK modules

Safety CPU Module LK220S Specifications

Model Specifications
Operation Speed
CPU dominant frequencyDual-core, 667 MHz
Instruction execution speedTypical value: 2.5 DMIPS/MHz
Memory
Program storage32 MB (16 MB for the system and 16 MB for users)
Memory512 MB, 800 Mbit/s, 32-bit width
Power-off hold512 KB
Expanding storageSD card, up to 32 GB
Ethernet
10/100MTwo-channel, dual-network-port redundancy, Modbus TCP supported
Backplane Bus
Communication Speed2.5 Gb/S
System Capacity
I/O capacityGreater than 900 points
Physical Characteristics
Installation modeBackplane Slot
Module dimensions44.7 mm × 166 mm × 152 mm
Weight382 g

Product Images

Safety Instrumented System SIS 1
Safety Instrumented System SIS 2

Packaging & Delivery

Category Incoterms Terms of Payment Nearest Port
LKS SIL2 SIS CIF, CFR, DAP LC, T/T, D/P Shanghai, Guangzhou, Tianjin

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Company Profile

Facility 1
Facility 2
Facility 3
Facility 4

Frequently Asked Questions

What is the specific safety certification for this system?
The LKS SIL2 SIS is fully certified to SIL2 standards by TÜV SÜD, complying with IEC61508, IEC61511, and several EN standards for industrial and railway safety.
What architectures does the system support for critical applications?
The system utilizes a 1oo1D architecture, specifically designed to provide high reliability for Emergency Shutdown (ESD) and Fire & Gas Systems (FGS).
Can this system be integrated with existing LK modules?
Yes, the LKS SIL2 SIS offers seamless integration with various LK modules, allowing for high scalability up to 900+ I/O points per control station.
What is the diagnostic coverage of the LKS SIL2 SIS?
The system provides over 90% diagnostic coverage with a 99.99% safety loop availability, ensuring maximum process uptime and protection.
What are the environmental operating limits for the CPU module?
The module is designed to operate in temperatures ranging from 0ºC to +60ºC and can be stored in conditions from -40ºC to +70ºC.
Does the system support remote communication protocols?
Yes, it features dual-network-port redundancy and supports the Modbus TCP protocol for robust industrial communication.

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