Product Overview

The Yokogawa ADM52-2 S4 is a high-performance Digital Contact Output Module engineered for the CENTUM VP Distributed Control System (DCS). This module facilitates the transmission of discrete control commands from the system to field devices such as solenoid valves, motor starters, and indicating lamps. Utilizing a Form C (SPDT - Single Pole Double Throw) relay architecture, it provides robust switching capabilities for critical process automation tasks.

Designed for high-density I/O configurations within the FIO (Field Interface Orbus) structure, the ADM52-2 S4 ensures high-speed response times and electrical isolation. Its design prioritizes operational safety and signal integrity, making it a reliable choice for complex industrial environments where precise state management of field equipment is mandatory.

Technical Specifications

• Manufacturer: Yokogawa

• Model Number: ADM52-2 S4

• Output Type: Contact Output (Relay)

• Contact Configuration: Form C (SPDT)

• Number of Channels: 16-channel isolated

• Rated Load Voltage: 24 V DC / 250 V AC

• Maximum Switching Current: Up to 2 A per point (Note: total module current subject to thermal limits)

• Response Time: 10 ms or less (at rated voltage)

• Isolation: 1500 V AC between output and system logic

• Weight: 0.26 kg

• Dimensions: 32.8 mm x 106.3 mm x 130 mm

• Mounting: Compatible with standard FIO Node Units (e.g., ANB10)

• Origin: Japan

Key Technical Characteristics

• Versatile Switching: The Form C relay design provides both normally open (NO) and normally closed (NC) contacts, offering maximum flexibility for fail-safe wiring configurations.

• High-Density Integration: Houses 16 independent relay outputs in a compact single-slot form factor, significantly reducing cabinet footprint and hardware costs.

• Industrial Durability: Built to function reliably within a wide operating temperature range (-20°C to +70°C for industrial standards), ensuring performance in harsh process areas.

• Integrated Diagnostics: Supports system-level status monitoring through the CENTUM VP Human Interface Station (HIS), allowing for real-time tracking of module health and channel status.

• Enhanced Isolation: Protects sensitive DCS internal logic from field-side electrical surges and noise through high-voltage galvanic isolation.

• Seamless Hot-Swapping: Allows for module replacement during active system operation, minimizing downtime and simplifying maintenance procedures in continuous process plants.