Product Overview
The Yokogawa ALF111-S50 is a dedicated Foundation Fieldbus Communication Module designed for seamless integration into industrial control systems. This module, with suffix codes -S (Standard Type), 5 (No Explosion Protection), and 0 (Basic Type), provides reliable communication for fieldbus networks. As part of the ALF111 series, the ALF111-S50 supports low-speed voltage mode Foundation Fieldbus interfaces across four ports, making it an essential component for upgrading existing systems or building new distributed control architectures.
Key Features & Benefits
- Four independent Foundation Fieldbus ports for flexible segment management
- Standard type with no explosion protection, suitable for safe area installations
- Dual-redundancy capability for enhanced system reliability
- Clock master and LAS functions for precise network synchronization
- Removable terminal block with built-in terminators for easy maintenance
Installation & Setup Guidance
The Yokogawa ALF111-S50 mounts on compatible base units such as ANB10, ANB11, AFV30, AFV40, A2FV50, or A2FV70. The module connects via a dedicated cable to the terminal board. Use the pressure clamp terminals for secure bus connections. Ensure the built-in terminators are properly configured for your segment length. For dual-redundancy setups, install two ALF111 units in adjacent slots within the same node unit.
Compatibility & Integration
This Foundation Fieldbus module is designed for Yokogawa distributed control systems. It supports up to 32 fieldbus devices per segment and a maximum of 48 I/O points per segment. The ALF111-S50 works with high- and medium-speed scanning cycles by configuring up to 6 I/O points as high-speed type on the ER bus. Ensure your host system is compatible with Foundation Fieldbus H1 (31.25 kbps) protocols.
Selection Guide
Before purchasing the Yokogawa ALF111-S50, verify your system requirements: select the correct suffix codes for your environment (5 = no explosion protection). Confirm that your base unit supports this module. For detailed specifications or to confirm compatibility with your existing hardware, contact the sales team at UBEST Automation. We stock genuine Yokogawa automation spares to minimize downtime.