Functional Overview
The ANR10D-423 S1 is a high-availability Node Interface Unit (NIU) for Yokogawa FIO systems. It provides a robust interface between centralized control systems and distributed I/O clusters, supporting dual-redundant ER Bus communication. The 19-inch rack-mount design ensures standardized installation in marshalling cabinets, while delivering high-speed data transfer, real-time diagnostics, and fault-tolerant connectivity required in complex industrial automation environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | ANR10D-423 S1 |
| Bus Compatibility | Dual-redundant ER Bus |
| Mounting Standard | 19-inch rack-mount enclosure |
| Power Supply Options | 220–240 V AC (model-specific module integration) |
| Power Consumption (100–120 V AC) | 200 VA / 120 W |
| Power Consumption (220–240 V AC) | 230 VA / 120 W |
| Power Consumption (24 V DC) | 5.5 A |
| Operational Temperature | 0°C to 55°C |
| Chassis Dimensions | 48.0 cm (W) × 18.0 cm (H) × 45.0 cm (D) |
| Unit Weight | 10 kg |
Operational Application
The ANR10D-423 S1 is widely deployed in large-scale petrochemical, power, and water treatment plants, particularly where hardware redundancy is critical. Its dual-redundant ER Bus architecture ensures that process control signals continue uninterrupted even in the event of a single bus failure. Multiple power supply compatibility allows the unit to remain operational during power-source fluctuations or secondary supply outages, making it essential for mission-critical distributed control nodes.
Frequently Asked Questions
Does the ANR10D-423 S1 require dedicated cooling?
No specialized cooling is required; however, ensure sufficient airflow and spacing within the 19-inch rack to maintain the 0°C–55°C operating range.
Is the dual-redundant ER Bus managed by hardware or software?
The physical redundancy is handled by the ANR10D-423 S1 hardware, while monitoring and switchover logic are configured through the Centum system engineering station.
Can I mix power supply types within the same rack?
No. The unit must use compatible power supply modules that match the site's voltage source to prevent damage to internal rectification circuitry.
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