Description
Yokogawa ALF111-S50-S1 Ethernet Communication Module based on Yokogawa’s typical design standards and comparable modules:
Overview
- Part Number: ALF111-S50-S1
- Function: Provides Ethernet-based communication between Yokogawa’s CENTUM VP/Vnet/IP control systems and external devices (e.g., PLCs, HMIs, or third-party systems).
- Role: Acts as a network interface module for real-time data exchange in industrial automation.
Key Specifications
- Communication
- Protocols: Likely supports Vnet/IP (Yokogawa’s real-time Ethernet) and standard TCP/IP.
- Speed: Typically 100 Mbps or 1 Gbps (confirm via manual).
- Ports: 1 or more RJ45 ports (may support redundant connections).
- Compatibility
- Parent System: Integrates with Field Control Stations (FCS) like AFV30D, KFCS, or ProSafe-RS safety systems.
- Software: Compatible with CENTUM VP Engineering Windows (EWS) for configuration.
- Physical & Electrical
- Power Supply: 24 VDC (standard for Yokogawa modules).
- Operating Temperature: Industrial range (e.g., -20°C to +70°C).
- Dimensions: Similar to other Yokogawa I/O modules (~30 mm × 130 mm × 150 mm).
- Redundancy & Diagnostics
- Hot-Swapping: Likely supported for maintenance.
- LED Indicators: Status lights for power, link activity, and faults.
Suffix Code Breakdown (ALF111-S50-S1)
| Suffix | Description |
|---|---|
| -S50 | May indicate standard Ethernet (non-redundant) or regional variant. |
| -S1 | Style 1, denoting hardware revision (critical for firmware compatibility). |
Applications
- Process Control: Integration of CENTUM VP with ERP/MES systems.
- Remote I/O Access: Connects field devices via Ethernet/IP.
- Safety Systems: ProSafe-RS communication where Ethernet is required.
Installation & Configuration
- Slot Compatibility:
- Typically installs in communication module slots of FCS or I/O nodes.
- Verify slot numbering (e.g., Slot 7/8 for redundancy).
- Engineering Tools:
- Configure via CENTUM VP Engineering Studio or PRM (Plant Resource Manager).
- Networking:
- Assign IP addresses via Yokogawa’s Vnet/IP settings.
Comparison to Similar Modules
| Feature | ALF111-S50-S1 | ALR111-S1 (Redundant) |
|---|---|---|
| Redundancy | Single port | Dual-port for failover |
| Protocols | Vnet/IP, TCP/IP | Same + additional redundancy |
| Use Case | Standard networks | Mission-critical systems |
SKU: YOKO-ALF111S50S1









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