製品紹介
The Yokogawa ALF111-S50 is a robust and advanced Fieldbus communication module developed for seamless integration into Yokogawa’s distributed control systems, notably CENTUM VP and STARDOM. As part / the ALF111 series, the S50 variant is engineered to support FOUNDATION™ Fieldbus H1 protocol with enhanced performance features, enabling real-time data communication and control between host systems and field devices in critical industrial environments.
This model provides a high-reliability interface with support for dual H1 Fieldbus segments, which is critical for redundant or high-availability network architectures. It is designed to endure harsh conditions and maintain stable communication under fluctuating temperature and voltage environments. The ALF111-S50 is a cornerstone for modern digital plant architectures seeking efficiency, scalability, and diagnostic insight.
Specifications
| Parameter | Specification |
|---|---|
| モデル | ALF111-S50 |
| Protocol | FOUNDATION™ Fieldbus H1 |
| Compatible Systems | Yokogawa CENTUM VP, STARDOM |
| Communication Speed | 31.25 kbps |
| Segments サポートed | 2 independent H1 Fieldbus segments |
| Power Supply | 24 VDC ±10% |
| Current Consumption | Approx. 100 mA |
| Fieldbus Power | Internal power supply per segment with voltage regulation |
| Built-in Diagnostics | Segment health monitoring, device diagnostics |
| Mounting | DIN rail mounting |
| Dimensions (WxHxD) | 130 x 127.5 x 32.8 mm |
| 重量 | 0.4 kg |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% RH (non-condensing) |
| Certifications | CE, RoHS, optional ATEX, ISA S71.04 (G3 corrosion class) |
| Ingress Protection | IP20 |
Applications
The ALF111-S50 is a critical component across multiple industrial sectors due to its flexibility, reliability, and digital integration capabilities. It plays a pivotal role in the following fields:
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Oil & Gas: Manages digital communication with smart field devices in refineries and upstream platforms, providing efficient diagnostics and high data accuracy.
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Chemical and Petrochemical: Enables real-time monitoring / corrosive or hazardous processes using digital sensors.
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Power Generation: サポートs process control in steam turbine systems, boilers, and auxiliary power plant 台s.
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Pharmaceutical Manufacturing: Facilitates compliance with validation and documentation requirements through intelligent device communication.
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Water and Wastewater Treatment: Ensures uninterrupted control and remote diagnostics for pumps, flow meters, and control valves.
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Food and Beverage: Maintains stringent process control and data traceability for quality assurance and batch production.
Advantages
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Dual Segment Operation
The ALF111-S50 supports two completely independent FOUNDATION™ Fieldbus segments, enabling cost-efficient infrastructure and greater flexibility in system design. -
Enhanced Diagnostics
Integrated advanced diagnostics detect abnormal behavior in both devices and communication networks, helping reduce unplanned downtime and maintenance costs. -
Robust Industrial Design
Built to withstand harsh industrial conditions, including high humidity, extreme temperatures, and potential corrosion environments. -
Compact Form Factor
The small footprint makes it ideal for installations in control cabinets or field enclosures with space constraints. -
Scalable Architecture
Designed to support scalable control systems, from compact STARDOM configurations to large-scale CENTUM VP deployments. -
Cost Savings
By supporting multiple devices per segment and minimizing wiring requirements, the ALF111-S50 contributes to lower installation and operational costs. -
Energy Efficient
Optimized for low-power operation, reducing overall system energy consumption without compromising performance. -
Vendor-Neutral Integration
Works with a wide range / FOUNDATION™ Fieldbus-certified field devices from multiple manufacturers.
FAQ – よくある質問
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What protocol does the ALF111-S50 use for communication?
It uses the FOUNDATION™ Fieldbus H1 protocol for two-way digital communication. -
Can this module be integrated with legacy Yokogawa control systems?
Yes, it supports integration with both CENTUM VP and STARDOM platforms. -
How many Fieldbus segments does it support?
It supports two completely independent H1 segments, suitable for connecting multiple field devices. -
What is the recommended power supply for the module?
The ALF111-S50 requires a 24V DC supply within ±10% tolerance. -
Does it provide any diagnostics for connected devices?
Yes, it supports advanced diagnostics, including segment health and individual device status. -
Is it suitable for hazardous environments?
Select variants are available with ATEX certification for use in hazardous or explosive zones. -
What’s the temperature range for operation?
The operating range is from -20°C to +60°C, ensuring reliability in most industrial environments. -
How is the module installed?
It is designed for DIN rail mounting, making it easy to install in standard enclosures. -
Can it power the connected field devices?
Yes, it provides internal regulated power to connected fieldbus devices per segment. -
Is Yokogawa the only brand compatible with this module?
No, it works with any FOUNDATION™ Fieldbus-compliant devices from other vendors as well.
Related or Same-Series Yokogawa モデルs
| モデル | 説明 | Key Feature |
|---|---|---|
| ALF111-S00 | Basic dual-segment Fieldbus module | Standard performance, baseline diagnostics |
| ALF111-S10 | Enhanced diagnostics variant | Segment load analysis and advanced health check |
| ALF111-S01 | Isolated port version | Improved noise imm台y and galvanic isolation |
| ALF113-S00 | Multi-segment Fieldbus module | サポートs up to four H1 segments |
| ALF112-S00 | High-bandwidth version | Better performance in dense device networks |
| ALF111-D00 | DIN-optimized compact module | Ideal for space-limited industrial applications |
Popular Yokogawa モデルs
| モデル | 説明 | Application |
|---|---|---|
| Yokogawa FCN-500 | Modular, scalable field control node for STARDOM | Advanced automation in large-scale systems |
| Yokogawa EJX110A | High-accuracy differential pressure transmitter | Pressure, level, and flow measurement |
| Yokogawa YS1700 | Programmable single loop controller | Small-scale process control |
| Yokogawa DX2020 | Paperless data recorder with secure storage | Environmental and process data logging |
| Yokogawa YHC5150X | Portable HART/Fieldbus communicator | Device configuration and diagnostics |
| Yokogawa CENTUM VP | Flagship distributed control system | Enterprise-grade process control and reliability |
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