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Product Introduction
The Yokogawa ADM52-2 S4 is a high-performance contact output module designed for use within distributed control systems (DCS) and programmable logic controller (PLC) applications. As part of Yokogawa’s reputable CENTUM and ProSafe product lines, this module provides reliable and durable output switching functions via dry contact relays. The ADM52-2 S4 is engineered to handle industrial-grade loads and deliver high isolation and fail-safe protection, making it ideal for mission-critical operations in oil and gas, chemical, power, and other process industries.
This module is equipped with 16 independent channels, each capable of switching field devices such as alarms, solenoids, and contactors. With robust electrical isolation and self-diagnostic features, the ADM52-2 S4 ensures safety and system stability across diverse field conditions.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | ADM52-2 S4 |
| Manufacturer | Yokogawa Electric Corporation |
| Type | Contact Output Module (Relay Output) |
| Channels | 16 independent output channels |
| Output Type | Dry Contact (Form A SPST-NO) |
| Rated Load Voltage | 24V DC / 110V AC |
| Maximum Load Current | 2 A per channel |
| Response Time | < 10 ms |
| Isolation Voltage | 1500 V AC (Channel to Channel, Channel to Ground) |
| Diagnostics | Channel status, module status, fail-safe |
| Connector Type | Removable terminal block |
| Power Supply | Supplied via system backplane |
| Power Consumption | Approx. 5 W |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% RH, non-condensing |
| Dimensions (W x H x D) | 130 × 100 × 30 mm |
| Weight | 1.5 kg |
| Mounting | DIN rail or baseplate |
| Certifications | CE, CSA, UL, ATEX, SIL2/3 (depending on system) |
Applications
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Distributed Control Systems (DCS): Ideal for interfacing with field output devices such as solenoids, contactors, and relays.
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Emergency Shutdown Systems (ESD): Used for safety interlocking and contact control within safety systems.
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Oil & Gas Platforms: Contact output to control relays, flares, ESD valves, and signal devices.
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Power Plants: Monitoring and actuating various components in SCADA and plant control systems.
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Chemical Processing Plants: Critical output operations in batch and continuous processing.
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Water & Wastewater Treatment: Used in output signaling for pumps, motors, and alarm systems.
Product Advantages
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High Reliability: Built for industrial applications with robust dry contact relay outputs.
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Electrical Isolation: Strong channel-to-channel and channel-to-ground isolation enhances system safety.
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Fail-Safe Capabilities: Supports output status hold or default fallback during system faults.
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Compact Design: Space-saving form factor suited for dense cabinet installations.
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Diagnostic Features: Real-time status monitoring ensures rapid troubleshooting and minimized downtime.
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Long Lifecycle: Engineered for extended service life with minimal maintenance.
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Plug-and-Play Installation: Easy installation and replacement due to modular architecture.
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Certified Safety Compliance: SIL2/SIL3 suitable when integrated into certified safety systems.
Frequently Asked Questions (FAQ)
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What is the function of the ADM52-2 S4 module?
The ADM52-2 S4 provides 16-channel contact outputs for interfacing with field devices in industrial automation systems. -
Is the ADM52-2 S4 suitable for safety-related applications?
Yes, it supports fail-safe operations and is suitable for SIL2/SIL3 systems when used within a certified environment. -
Can I use this module in a hazardous area?
Yes, with appropriate barriers and compliance with system certifications (e.g., ATEX), it can be deployed in hazardous zones. -
What type of loads can the output contacts switch?
The module is designed for low- to moderate-load switching, such as alarms, relays, and solenoids (up to 2 A per channel). -
Does the module support hot swapping?
Depending on the host system, it may support online replacement without shutting down the entire system. -
How is the module mounted in the system?
It can be mounted on DIN rails or system baseplates according to cabinet design. -
Is there built-in diagnostic support?
Yes, the module supports LED and software-based diagnostics for each channel and the module itself. -
What is the module’s response time?
The typical switching response time is less than 10 milliseconds. -
What happens in case of system power failure?
The module can be configured to retain its output status or fall to a predefined safe state. -
How does it communicate with the control system?
Communication is managed via the backplane bus integrated into the system rack or controller base.
Related Models (Same or Similar Series)
| Model Number | Description | Output Type | Channels | Certifications |
|---|---|---|---|---|
| ADM51-2 S4 | Digital contact output module | Relay | 8 | CE, UL |
| ADM53-2 S4 | High-capacity output module | Relay | 16 | SIL3, CE |
| ADM12-2 S4 | Transistor output module | NPN | 16 | CE, UL |
| ADM92-2 S4 | Contact output with built-in diagnostics | Relay | 8 | SIL2, CSA |
| ADV52-2 S4 | Analog output module | Analog | 8 | CE, UL |
| ADM56-2 S4 | Contact output with enhanced isolation | Relay | 16 | CE, ATEX |
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|---|---|---|---|---|
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