Product Details
Product Overview
The Yokogawa ALP111-S01 acts as a high-performance communication interface between the CENTUM VP Field Control Station (FCS) and PROFIBUS-DP field networks. This module enables the DCS to integrate data from slave devices such as motor starters, remote I/O units, and smart analytical instruments. By offloading complex protocol management from the main processor, the ALP111-S01 maintains deterministic control over critical process variables. We supply this unit as 100% Brand New and Original in factory packaging to ensure peak network stability and system longevity.
Part Number Breakdown
The ALP111-S01 follows Yokogawa's specific hardware designation for fieldbus integration:
| Suffix Code | Functional Definition |
| ALP111 | PROFIBUS-DP Communication Module |
| -S | Standard Type Hardware |
| 0 | Standard Environmental Protection |
| 1 | Basic Functional Type (Revision/Variant 1) |
Technical Specifications
The ALP111-S01 meets the rigorous high-speed requirements of the PROFIBUS-DP standard while maintaining industrial-grade electrical isolation.
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Communication Protocol: PROFIBUS-DP (Decentralized Periphery).
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Dimensions: 5 cm x 13 cm x 15 cm.
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Module Weight: 0.6 kg.
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Interface Type: 9-pin D-sub connector (RS-485).
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System Integration: Plugs into the Field Control Station (FCS) module slot.
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Transmission Rate: Supports up to 12 Mbps (Automatic detection).
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Country of Origin: Japan.
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Condition: Guaranteed 100% Brand New in original factory box.
Engineering Advantages
The ALP111-S01 provides technical solutions for complex multi-vendor integration:
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Deterministic Data Exchange: Industrial networks often suffer from jitter or data collisions. The ALP111-S01 utilizes hardware-level scheduling to prioritize cyclic process data, ensuring the DCS receives critical status updates with millisecond precision.
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Wide-Scale Multi-Vendor Support: This module enables CENTUM VP to communicate with any PROFIBUS-DP GSD-certified device. This flexibility allows engineers to choose the best-in-class field hardware from different manufacturers while maintaining a unified control environment.
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Galvanic Isolation Protection: High-voltage transients from field-side RS-485 wiring can damage DCS processors. The ALP111-S01 incorporates high-performance electrical isolation that blocks noise and surges, protecting the backplane from field-level faults.
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Simplified Configuration: The module integrates seamlessly into the CENTUM VP Builder environment. Engineers define slave parameters and I/O mapping within the standard software suite, significantly reducing the time required for network commissioning and troubleshooting.
FAQs
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Does the ALP111-S01 support redundancy?
Yes. You can install two ALP111-S01 modules in a duplexed configuration within the FCS. If the primary module detects a fault, the standby unit assumes control of the PROFIBUS-DP network instantly to prevent process interruption.
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What is the difference between S00 and S01?
The S01 designation signifies a specific functional revision or basic type identifier required for compatibility with certain CENTUM software releases. We recommend checking your system's hardware configuration database to ensure the S01 profile matches your software version.
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Does the module ship with a PROFIBUS connector?
The ALP111-S01 features the standard 9-pin D-sub port. While we provide the module as 100% brand new, the external PROFIBUS cables and specialized terminating connectors are typically sold separately to match your specific cable length requirements.
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Can this module act as a PROFIBUS Slave?
No. The ALP111-S01 functions specifically as a PROFIBUS-DP Master module. It initiates communication and manages the data polling for all connected slave devices on the segment.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Marshalling Cabinets in Industrial Control Systems Architecture
Industrial control system deployments rely on structured signal distribution to bridge field instrumentation with central processing hardware. A marshalling cabinet serves as the vital intermediate connection point between heavy field home-run multi-pair cables and delicate input/output (I/O) modules housed inside Programmable Logic Controller (PLC) or Distributed Control System (DCS) enclosures. By segregating field cable terminations from control hardware, engineers maintain system flexibility, safeguard controller components, and streamline commissioning workflows.
FAT vs SAT in Industrial Control Systems: Key Differences and Execution Guide
Industrial control system deployment relies on strict verification protocols to guarantee operational safety, system stability, and regulatory compliance. Commissioning complex Programmable Logic Controller (PLC) racks, Distributed Control Systems (DCS), and Safety Instrumented Systems (SIS) requires two critical milestones: the Factory Acceptance Test (FAT) and the Site Acceptance Test (SAT). Both procedures validate that system automation meets design specifications, but they occur at different stages of project execution and target distinct operational risks.
Hub vs Switch vs Router in Industrial Automation Architecture
Modern factory automation relies on reliable industrial networking infrastructure to exchange real-time field data across operational technology systems. Engineers often encounter networking hardware like hubs, switches, and routers when integrating Programmable Logic Controllers, Distributed Control Systems, and SCADA monitoring nodes. Although these devices share physical ports, they operate at different layers of the Open Systems Interconnection reference model and deliver distinct traffic management capabilities.