Product Description
The Yokogawa ST5*A Control Board is a high-performance controller module integral to Yokogawa's CENTUM VP Distributed Control System (DCS) and ProSafe-RS Safety Instrumented System (SIS). Designed for mission-critical process control and safety applications, this board orchestrates real-time data processing, loop control, and communication between field devices and supervisory systems. With SIL 2/3 certifications and rugged industrial design, the ST5*A is deployed in industries such as oil and gas, chemical processing, power generation, and pharmaceuticals, where operational reliability and precision are non-negotiable.
Features & Functional Characteristics
- Redundant Architecture:Dual CPUs and power supplies ensure zero downtime during component failures.
- Advanced Control Algorithms:PID, feedforward, cascade, and model predictive control (MPC) capabilities.
- Cybersecurity:Role-based access control, firmware signing, and VLAN segmentation (IEC 62443).
- Scalability:Supports up to 10,000 I/O points per control station.
- Seamless Integration:Native compatibility with Yokogawa's Exaquantum (PIMS) and FAST/TOOLS (SCADA).
- Energy Efficiency:Optimizes processes using Yokogawa's Energy Management Solutions (EMS).
Technical Specifications
Electrical Specifications:
Operating Voltage: 24 V DC (±10%), 1.5 A (typical).
Power Consumption: 10 W (max).
Isolation: 1500 V AC (channel-to-system).
- Processing Capabilities:
CPU: Dual-core processor (redundant architecture).
Memory: 4 GB RAM, 32 GB Flash storage.
Scan Time: ≤100 ms for 1,000 control loops.
- Environmental Ratings:
Operating Temperature: -20°C to +60°C (-4°F to +140°F).
Humidity: 10–90% non-condensing.
Shock/Vibration: 5g (IEC 60068-2-6), 15g (IEC 60068-2-27).
- Safety Standards:
Certifications: IEC 61508 SIL 2/3 (ProSafe-RS integration), CE, RoHS, ATEX Zone 2.
EMC Compliance: EN 61326 (industrial environments).
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- Dedicated Account Manager: You'll have a single, highly trained account manager assigned to every inquiry. They're committed to providing you with the highest quality products, competitive pricing, and the fastest possible lead times. Expect complete transparency and prompt assistance with any questions, no matter how small.
- Rapid Turnaround: We understand that time is critical. Your account manager will always provide accurate lead times for each inquiry. We prioritize on-time delivery and offer flexible shipping options, utilizing your preferred carriers. You'll receive tracking numbers and regular updates throughout the process.
- Competitive Pricing: Beyond our extensive in-house inventory, we leverage a global network of manufacturers and suppliers to secure the most competitive prices for every order.
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