ALF111-S50 Overview

The Yokogawa CP401-10 S1 Modules DCS CPU Module is a 24 VDC CPU Controller module. It forms the central node of the FFCS system, supporting up to eight I/O modules and enabling dual-redundant processor configurations for high system availability.

Features and Benefits

• Four-Port Design: Provides connectivity for up to four independent Foundation fieldbus segments.

• High Capacity: Supports up to 32 fieldbus devices per segment.

• Essential Functions: Integrates Link Active Scheduler (LAS) and clock master functions.

• Robust Installation: Mounts on multiple Yokogawa node units.

• Safety & Reliability: Features 1500V AC electrical isolation and supports dual-redundancy.

• Compact & Efficient: Lightweight (0.4 kg) with low power consumption (<0.5 A).

FAQ

Q1: What is the Yokogawa ALF111-S50?

A1: It is a Foundation fieldbus communication module with four ports, designed for industrial network integration.

Q2: How many devices can connect to each of its segments?

A2: Each of its four segments supports up to 32 fieldbus devices.

Q3: What are its key built-in communication functions?

A3: It features the Link Active Scheduler (LAS) and clock master functions to manage bus communication.

Q4: What is the electrical isolation rating?

A4: It provides 1500 V AC of electrical isolation between the field and system sides.

Q5: Does it support redundancy for critical applications?

A5: Yes, it can be configured for dual-redundancy by installing two units in the same node unit.