Product Overview
- Brand: Yokogawa
- Part Number: ALF111-S50
- Module Type: FOUNDATION Fieldbus Communication
- Built for stable field device networking.
Main Advantages
- Supports multiple fieldbus segments.
- Reliable low-speed voltage mode.
- Dual-redundancy ready.
- Strong electrical isolation.
- Compact and lightweight design.
Communication Performance
- FOUNDATION Fieldbus interface.
- Transmission speed: 31.25 kbps.
- Four ports available.
- One segment per port.
Network Capacity
- Up to 32 devices per segment.
- ALF111 counts as one device.
- Up to 48 I/O points per segment.
- Supports mixed scan speed use.
Control and Timing Functions
- LAS function supported.
- Clock master function built-in.
- Stable bus timing control.
Electrical Protection
- Field to system isolation: 1500 V AC.
- Channel to channel isolation included.
- Isolation time: 1 minute.
Power and Consumption
- Maximum current: 0.5 A.
- Low power load on system bus.
Mechanical Details
- Approximate weight: 0.40 kg.
- Designed for dense installations.
Installation Compatibility
- Mounts on ANB10, ANB11 nodes.
- Also fits AFV30, AFV40 units.
- Supports A2FV50 and A2FV70.
- Works with Yokogawa Centum VP systems.
Bus Connection Design
- Pressure clamp terminals.
- Removable terminal block.
- Built-in terminators.
- Terminator switch ON/OFF.
Suffix Code Structure
- Model
- ALF111 Fieldbus module
- Suffix Codes
- S Standard type
- 5 No explosion protection
- 0 Basic configuration
Typical Applications
- Process automation networks.
- Field device integration.
- Distributed control systems.
- Redundant fieldbus layouts.
Warranty and Shipping
- 12-month warranty included.
- Inspected before delivery.
- Ships via FedEx, UPS, or DHL.
- Global shipping available.
Professional FAQ
- Can ALF111 support redundant setups?
- Yes. Two units can work together.
- How many devices can connect to one segment?
- Up to 32 fieldbus devices.
- Is this module suitable for fast control loops?
- Yes. It supports mixed scan speeds.
- Does the module include bus termination?
- Yes. Terminators are built-in.
- When should I choose ALF111?
- When stable fieldbus control is needed.
Contact Information
- Email: info@oiltechcontrols.com
- WhatsApp: +86 158 8020 0923
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