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The ATA4D-00 is a dual-redundant pressure clamp terminal interface developed by Yokogawa Electric Corporation for the Field Instrument Platform (FIO). It is engineered for high-reliability process control systems, providing vibration-resistant and stable electrical termination for critical control loops.
The module’s dual-redundant connection architecture ensures continuous signal transmission. If one wiring path fails, the secondary path maintains communication integrity, making it suitable for mission-critical industrial automation environments such as power generation and petrochemical plants.
| Parameter | Specification |
|---|---|
| Model | ATA4D-00 |
| Manufacturer | Yokogawa Electric Corporation |
| Interface Type | Dual-redundant pressure clamp terminal |
| Application | FIO system signal termination |
| Weight | 0.9 kg |
| Dimensions | 5.1 × 20.3 × 15.2 cm |
Dual-redundant wiring paths improve fault tolerance and system availability
Pressure clamp design maintains gas-tight, vibration-resistant connections
Reduces maintenance requirements compared to traditional screw terminals
Supports high-density cabinet wiring configurations
How does dual-redundancy work?
The terminal block provides duplicated signal pathways, allowing backup wiring configurations so that signal acquisition continues if one path is mechanically compromised.
Is it suitable for high-density wiring?
Yes. The compact design allows dense wiring layouts while maintaining proper thermal management and accessibility inside FIO cabinets.