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Product Introduction
The Yokogawa ALP111-S00 S1 is a high-reliability Vnet/IP Communication Module designed for use in Yokogawa’s CENTUM VP control systems. As a critical interface between the control processor (FCS) and the Vnet/IP control network, this module provides fast, redundant, and deterministic communication that forms the backbone of real-time industrial automation.
This S1 revision of the ALP111 series builds on the original model’s stability and robustness, offering improved diagnostic capabilities and compatibility with newer CENTUM VP versions. Built to meet the strict demands of process industries, the ALP111-S00 S1 ensures seamless system integration, high-speed data transfer, and uninterrupted plant operation.
Whether in power generation, oil & gas, petrochemical refining, or large-scale manufacturing, this module is a trusted communication link in mission-critical infrastructure.
Product Specifications
| Parameter | Specification |
|---|---|
| Model Number | ALP111-S00 S1 |
| Manufacturer | Yokogawa Electric Corporation |
| Product Type | Vnet/IP Communication Module |
| Communication Protocol | Vnet/IP (Yokogawa proprietary Ethernet-based control network) |
| Ports | 2 x RJ-45 Ethernet (100BASE-TX) |
| Redundancy | Supports dual-network redundancy for Vnet/IP |
| Communication Speed | 100 Mbps (Full Duplex) |
| Application Interface | Connects FCS to Vnet/IP bus |
| Status Indicators | LEDs for link, activity, module status |
| Self Diagnostics | Yes (Network status, link error, configuration mismatch) |
| Power Consumption | Approx. 5.5 W |
| Operating Voltage | Supplied through base rack |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -20°C to 70°C |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Shock & Vibration | Conforms to IEC industrial standards |
| Mounting | Rack-mounted (standard Yokogawa baseplate) |
| Dimensions (W x H x D) | 130 x 129.5 x 32.8 mm |
| Weight | 0.3 kg |
| Compliance | CE, CSA, UL, ATEX compliant (depending on system setup) |
Product Applications
The ALP111-S00 S1 module is purpose-built for integration into Yokogawa’s CENTUM VP and similar high-availability systems. Its typical applications include:
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Control Network Communication: Acts as the communication interface between FCS (Field Control Station) and Vnet/IP.
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Distributed Control Systems (DCS): Enables real-time, redundant messaging across network nodes.
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Redundant System Topologies: Facilitates fault-tolerant designs with dual Ethernet connections.
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Process Plant Control Systems: Used in industries such as oil refining, gas processing, and chemical production.
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Energy & Utilities: Provides communication between turbines, boilers, and safety systems.
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Remote Station Integration: Supports field stations and remote I/O over Vnet/IP.
Product Advantages
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Dual-Port Redundancy: Built-in support for dual network ports ensures no single point of failure.
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Fast and Deterministic Communication: Enables real-time response required in continuous processing.
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Compact & Modular: Slim design allows efficient use of rack space with minimal footprint.
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Diagnostic Feedback: Provides in-depth self-diagnostic capabilities to detect errors or faults.
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Robust Industrial Design: Withstands environmental stress including temperature fluctuations and vibrations.
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Seamless CENTUM VP Integration: Fully compatible with Yokogawa DCS architecture, both legacy and current versions.
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Simplified Maintenance: LED indicators and error reporting simplify field servicing and troubleshooting.
Frequently Asked Questions (FAQ)
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Q: What is the primary function of the ALP111-S00 S1?
A: It provides a communication interface between the Field Control Station (FCS) and the Vnet/IP control network in a CENTUM VP system. -
Q: Does this module support network redundancy?
A: Yes, it has two Ethernet ports for redundant Vnet/IP network connections. -
Q: Can the ALP111-S00 S1 be used in safety-critical environments?
A: Yes, it is designed for mission-critical process control and is compliant with industrial standards like ATEX and UL. -
Q: What is the difference between ALP111-S00 and ALP111-S00 S1?
A: The S1 version includes firmware and hardware improvements for enhanced compatibility and diagnostics. -
Q: What is the communication speed supported by this module?
A: It supports 100 Mbps full-duplex Ethernet communication. -
Q: Is it compatible with older CENTUM CS3000 systems?
A: No, it is optimized for CENTUM VP systems and newer generations. -
Q: How is the module powered?
A: It draws power directly from the baseplate it is mounted on. -
Q: Can this module be hot-swapped?
A: No, it must be replaced with the system powered down to prevent communication disruption. -
Q: What are the available diagnostic features?
A: It offers LED indicators for link status, module error, and configuration mismatch alerts. -
Q: In what environments is this module typically used?
A: It’s widely used in oil & gas, chemical, power generation, and other process control industries.
Related or Similar Models (Same Series or Functionality)
| Model | Description | Protocol | Channels/Ports | Application |
|---|---|---|---|---|
| ALP121-S00 | Communication Module with enhanced diagnostics | Vnet/IP | 2 Ethernet | Backup/secondary network communication |
| ALR111-S00 | Remote Communication Module for FCS | Vnet/IP Remote | 2 Ethernet | Remote station interface |
| ALF111-S00 | FOUNDATION Fieldbus Communication Module | FF H1 | 2 FF Ports | Device-level control over FF network |
| AFF50D-S00 | Profibus-DP Communication Interface | Profibus-DP | 1 Profibus Port | Integration with Profibus field devices |
| AAI841-H00 | Analog Input Module (High-speed) | Internal I/O | 16 Channels | High-speed signal acquisition |
| AAI143-S00 | Analog Input Module (Standard) | Internal I/O | 16 Channels | General purpose analog input |
Popular Yokogawa Models (Other High-Demand Products)
| Model | Description | Module Type | Function |
|---|---|---|---|
| CP451-10 | Control Processor Unit for FCS | CPU Module | Executes control strategies |
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| AAR181-S00 | Relay Output Module, 16 Channels | Digital Output Module | Controls relays, indicators, solenoids |
| AAI143-H50 | High-Speed Analog Input Module, 16 Channels | Analog Input Module | Fast response measurement module |
