中文版
Description
Technical Specifications
| Product Model | **Metso IOP331** |
| Manufacturer | Metso (Now Valmet) |
| Product Type | Advanced I/O Processor (Metso DNA Automation System) |
| Input Voltage | 24 VDC ±10% (Dual Redundant, Isolated) |
| I/O Capacity | 2048 Points (Analog/Digital/HART, Expandable) |
| Communication | Ethernet/IP, OPC UA, Profibus DP, Modbus TCP |
| Processing Speed | Quad-core 1.5 GHz (Deterministic Cycle ≤10 ms) |
| Certifications | SIL 3 (IEC 61508), ATEX Zone 1, UL 508 |
IOP310
Key Features & Advantages
The **Metso IOP331** is a high-performance, safety-certified I/O processor designed for mission-critical automation in Valmet’s DNA ecosystem. Features triple modular redundancy (TMR) for fault-tolerant operation in safety instrumented systems (SIS). Supports real-time data processing with 10 ms scan cycles for applications like emergency shutdowns and turbine control. Integrated diagnostics monitor hardware health, signal drift, and communication latency. Compatible with Valmet DNA Studio for advanced process optimization, predictive maintenance, and cybersecurity management.
Enhanced cybersecurity features include encrypted communications (TLS 1.3) and secure boot. SIL 3 certification ensures compliance with IEC 61511 for safety-critical processes. MIL-STD-810G compliant for shock/vibration resistance in harsh environments.
Applications
**Oil & gas** platforms for HIPPS (High-Integrity Pressure Protection Systems). **Nuclear plants** for reactor safety systems. **Power generation** (turbine overspeed protection). **Chemical plants** managing SIL 3 safety loops. **Pulp & paper mills** for high-speed distributed control. Also used in **pharmaceutical** and **water treatment** critical infrastructure.
Related Products
**IOP324**: High-Density I/O Processor.
**Metso DNA AP20 Controller**.
Installation & Maintenance
**Installation**: Mount in Valmet DNA rack (IEC 60297-3-101) with 75 mm airflow clearance. Use Cat7 shielded cables for Ethernet/IP; ground to <0.5 Ω. **Configuration**: Assign SIL 3 safety functions via DNA Studio’s pre-certified logic blocks. **Maintenance**: Replace redundant power supplies every 7 years. Perform annual SIL validation via fault injection testing. Update firmware using Valmet’s Secure Boot Loader (SBL).
Product Assurance
Tested to IEC 61508 (SIL 3) and EN 61000-4-5 (surge immunity). 300,000+ hours MTBF. Includes 5-year warranty with 20-year lifecycle support. Complies with ISA 84.01 and ISO 26262 (functional safety). Valmet’s Global Services offer SIL 3 certification support and legacy system migration (e.g., replacing IOP300 series).
Note: Specifications may vary based on regional certifications. Consult Valmet’s technical documentation for application-specific SIL validation requirements.
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