Shandong Youwen Automation Engineering Co., Ltd. leverages cutting-edge technology from the National Engineering Research Center of Zhejiang University to provide industry-leading safety control systems. Our flagship products, the UW500s (SIL2) and UW510s (SIL3), are designed for high-risk environments, ensuring a fail-safe environment. How does the Safety Control System ensure safety? This article will delve into its safety mechanisms.
Hardware Module Redundancy: Critical components (such as the CPU and power supply) operate in parallel. If one component fails, the other immediately takes over.
Intrinsic Safety Active Defense: Software continuously monitors for anomalies such as network threats or signal corruption and triggers automatic countermeasures.
Fault-Tolerant Data I/O: Input/output modules verify data integrity through dual-channel cross-verification.
High-Availability Industrial Network: A fiber-optic ring network prevents network outages, with a redundancy switchover time of less than 1ms.
Real-Time Control Kernel: Handling safety-critical tasks within 10ms latency, the Safety Control System effectively prevents hazardous situations.
MTBF: UW510 exceeds 300,000 hours.
Component derating extends service life.
Modules can be replaced online without shutting down the system.
Predictive maintenance through embedded health analytics.
Cybersecurity stack: Secure boot, role-based access control, and encrypted communications.
SIL-certified firewall prevents unauthorized access.
Supports PROFIsafe, Modbus TCP, and OPC UA protocols.
Customizable logic for chemical, energy, or manufacturing workflows.
Q: How does redundancy prevent system failure?
A: The UW500s/UW510s Safety Control System employs mirrored critical components. If the primary module fails, diagnostics detect the failure within nanoseconds and transfer control to the backup module. This reduces the risk of downtime to <0.001%.
| Feature | UW500s (SIL2) | UW510s (SIL3) |
| Compliance | IEC 61508 SC2/SIL2 | IEC 61508 SC3/SIL3 |
| Control Station Size | AI: 512, DIO: 10, 242 | AI: 512, DIO: 1, 024 |
| Max System Capacity | AI: 16, 384, DIO: 32, 768 | AI: 16, 384, DIO: 32, 768 |
| Demand Mode | Low/High (IEC 61598) | Low/High (IEC 61598) |
| Certification | TÜV SIL2 | TÜV SIL3 |
| Response Time | ≤ 50ms | ≤ 30ms |
Q: What cybersecurity measures can prevent hacker attacks?
A: Intrinsic active defense uses machine learning to identify anomalies (such as unusual data packets). It isolates threats through hardware-enforced segmentation and employs cryptographic authentication for all commands.
Q: How does real-time processing prevent accidents?
A: The deterministic real-time kernel prioritizes safety tasks (such as emergency stops) over non-critical operations. For example, a pressure spike triggers a valve to close in less than 30 milliseconds—faster than human reaction time.
