Yokogawa ALF111-S50 Foundation Fieldbus Communication Module

High-Performance Fieldbus Communication

The ALF111-S50 is a powerful Foundation Fieldbus Communication Module. It acts as a Link Active Scheduler (LAS) to exchange data with H1 protocol devices.

Reliable and Efficient Data Transmission

• Supports 4 ports with 1 segment per port
• Transmission speed: 31.25 kbps
• Withstanding voltage: 1500V AC (field to system)

Advanced Communication & Connectivity

• Max 32 devices per segment (ALF111 counts as 1)
• Supports dual-redundancy for uninterrupted communication
• Clock master and LAS function ensure stable performance
• Max. 48 I/O points per segment for flexible control

Easy Installation & Robust Design

• Mounts on ANB10, ANB11, AFV30, AFV40, A2FV50, or A2FV70
• Pressure clamp terminals with on/off terminators for easy wiring
• Compact and lightweight (approx. 0.40 kg)

Power & Safety Features

• Current consumption: 0.5A or less
• 1500V AC isolation between channels and system
• No explosion protection, designed for basic applications

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• Email: [email protected]
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• Address: Unit 601, Powerlong International Center, No. 1599 Luling Road, Siming District, Xiamen City, Fujian, China

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