中文版
Description
Technical Specifications
| Product Model | **Yokogawa DX1012-3-4-2 /A3/C3** |
| Manufacturer | Yokogawa Electric Corporation |
| Product Type | Dual-Redundant I/O Module (CENTUM VP DCS) |
| Input Voltage | 24 VDC ±10% (Redundant, Isolated) |
| I/O Configuration | 12 Channels (Analog Input: 4-20 mA, HART) |
| Accuracy | ±0.05% FS (Cold Junction Compensation) |
| Communication | Vnet/IP, Modbus TCP, Foundation Fieldbus |
| Certifications | SIL 2 (IEC 61508), ATEX, IECEx |
Key Features & Advantages
The **Yokogawa DX1012-3-4-2 /A3/C3** is a high-density I/O module for Yokogawa’s CENTUM VP distributed control systems. Features dual-redundant architecture with automatic failover (<50 ms) for uninterrupted process control. Supports HART 7.0 protocol for smart device integration and diagnostics. Built-in signal conditioning eliminates external transmitters for RTD/thermocouple inputs. Integrated EMI shielding (EN 61326-1) ensures reliable operation in electrically noisy environments.
DX1012-3-4-2 A3C3
Hot-swappable design allows module replacement without system shutdown. The /A3/C3 suffix denotes hardware revision and compliance with NAMUR NE21 standards for hazardous areas. Compatible with Yokogawa’s PRM (Plant Resource Manager) for predictive maintenance and asset health monitoring.
Applications
Deployed in **oil & gas** platforms for pressure/temperature monitoring. **Chemical plants** use it for reactor batch control. **Power plants** leverage its redundancy for boiler feedwater systems. **Pharmaceutical facilities** rely on its HART integration for valve diagnostics. Also used in **water treatment** and **food & beverage** processes requiring SIL 2 compliance.
Related Products
**DX1020**: 16-Channel Analog Output.
**DX2010**: Digital Input Module.
**YVP10**: CENTUM VP Controller.
**FCS2600**: Field Control Station.
**AAI143**: HART Signal Converter.
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