High-Reliability Network Backbone for Distributed Control Systems
The Yokogawa ANR10D-423 S1 ER Bus Node Unit is a robust interface component designed to serve as a critical communication and expansion node within Yokogawa’s FIO-based distributed control systems. It enables high-speed, redundant data exchange between field I/O modules and the Field Control Unit (FCU) using the ER (Enhanced Remote) Bus architecture.
Built for mission-critical industrial environments, this node unit ensures stable system-level communication, reliable power distribution, and scalable I/O integration—making it a foundational element in large-scale automation infrastructures.
Technical Specifications
| Parameter | Specification |
|---|
| Model | ANR10D-423 S1 |
| Module Type | ER Bus Node Unit |
| System Compatibility | Yokogawa CENTUM VP / FIO system |
| Communication Protocol | ER Bus (dual-redundant capable) |
| Installation Type | 19-inch rack mount |
| Power Supply Options | 100–120 VAC / 220–240 VAC / 24 V DC |
| Power Consumption | Approx. 120 W |
| Redundancy Support | Dual-redundant bus architecture |
| Maximum Remote Nodes | Up to 8 per FCU configuration |
| Operating Temperature | 0°C to 50°C |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Grounding Resistance | ≤ 100 Ω |
| Dimensions (H × W × D) | Approx. 48.0 × 18.0 × 45.0 cm |
| Weight | Approx. 10 kg |
Application Scenarios
The ANR10D-423 S1 is widely deployed in large-scale industrial automation systems where distributed I/O architecture and high system availability are essential.
It is commonly used in:
-
Oil and gas processing facilities
-
Petrochemical and refining plants
-
Power generation and utility control systems
-
Large-scale manufacturing and continuous process industries
-
Remote I/O cabinet and marshalling systems
Its role as a node unit makes it a central communication hub, ensuring uninterrupted data exchange between field devices and control stations.
Key Advantages and Engineering Value
One of the most significant strengths of the ANR10D-423 S1 is its dual-redundant ER Bus design, which enhances system resilience by maintaining communication continuity even if one bus path fails.
Its rack-mounted architecture supports standardized industrial cabinet integration, simplifying installation and system expansion. The unit also provides centralized power distribution and communication management, reducing the complexity of field wiring and improving system maintainability.
In addition, its compatibility with multiple power supply configurations (AC and DC) allows flexible deployment across different plant infrastructures, making it highly adaptable for global industrial standards.
Technical FAQs
1. What is the main function of the ANR10D-423 S1?
It acts as an ER Bus Node Unit for communication between FCU and field I/O modules.
2. Does it support redundancy?
Yes, it supports dual-redundant ER Bus communication architecture.
3. What systems is it compatible with?
It is designed for Yokogawa CENTUM VP and FIO systems.
4. What power supply options are available?
100–120 VAC, 220–240 VAC, and 24 V DC configurations.
5. What is its role in the system?
It functions as a communication and power distribution hub for I/O modules.
6. How many nodes can connect to one FCU?
Up to 8 remote nodes per Field Control Unit.
7. What is the mounting type?
Standard 19-inch rack mounting.
8. What ensures communication stability?
ER Bus dual-redundant architecture and system-level isolation.
9. What is the operating temperature range?
0°C to 50°C for stable industrial performance.
10. Is it suitable for continuous operation?
Yes, it is designed for 24/7 industrial environments.
A DCS Q Co., Ltd. - PLC and DCS Industrial Control Equipment Wholesale
