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Product Introduction
The Yokogawa ADM51C is a high-performance contact output module engineered for use within Yokogawa’s CENTUM CS 3000 and CENTUM VP control systems. This module features mechanical relay contacts and is designed to control a variety of field devices such as solenoid valves, relays, alarms, and contactors through dry contact outputs.
With high isolation performance, channel reliability, and system compatibility, the ADM51C is an ideal solution for applications demanding dependable control signal transmission under harsh industrial environments. The module’s simple yet robust relay output design makes it suitable for both AC and DC switching operations.
Product Specifications
| Parameter | Details |
|---|---|
| Model | ADM51C |
| Manufacturer | Yokogawa Electric Corporation |
| Module Type | Contact Output Module |
| Output Type | Dry Contact (Relay Contact Output) |
| Number of Channels | 16 channels |
| Contact Configuration | Form A (Normally Open) |
| Rated Load (per channel) | 2 A @ 250 VAC or 30 VDC |
| Minimum Load | 1 mA @ 5 VDC |
| Isolation | Channel-to-channel and channel-to-ground |
| Contact Resistance | ≤ 50 mΩ (initial) |
| Dielectric Strength | 1500 VAC (1 minute) |
| Insulation Resistance | ≥ 100 MΩ at 500 VDC |
| Status Indication | LED indicator per channel |
| Power Supply | Supplied through I/O baseplate |
| Mounting Method | Plug-in to I/O baseplate |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -20°C to 70°C |
| Humidity | 5%–95% RH, non-condensing |
| Dimensions (W × H × D) | 120 x 30 x 40 mm |
| Weight | 0.14 kg |
| Compliance | CE, UL, CSA, RoHS |
Product Applications
The ADM51C module is used extensively in industrial automation sectors requiring electrical isolation and contact-based control output. Common applications include:
-
Process Plants (Oil, Gas, Chemicals)
For switching alarms, solenoids, shutdown relays, and interlock controls. -
Power Generation Facilities
Switching breakers, signal outputs for protection relays, and turbine control outputs. -
Water & Wastewater Treatment Plants
Activation of valves, blowers, pump motor starters, and warning systems. -
Pharmaceutical & Cleanroom Operations
Controlled switching of HVAC alarms, clean area actuators, and system alerts. -
Automotive and Discrete Manufacturing
Output signals to stack lights, conveyor actuators, and machine interlocks. -
Food and Beverage Industry
For controlling flow valves, mixer motors, and emergency stop relays.
Product Advantages
-
Robust Mechanical Relay Contacts
Ensures physical contact disconnection, suitable for AC/DC switching. -
High Reliability in Industrial Conditions
Designed for continuous operation in temperature and humidity extremes. -
Channel Isolation
Individual electrical isolation improves safety and fault containment. -
Field-Tested Performance
Proven reliability in long-term industrial deployments worldwide. -
Visual Diagnostics via LEDs
Each channel is equipped with an LED for real-time status monitoring. -
Standardized Integration
Plug-and-play design for Yokogawa’s CENTUM VP/CS 3000 systems. -
Compact Footprint
16 outputs in a single-width module save cabinet space. -
Low Maintenance Requirements
Passive design with minimal need for servicing over time.
Frequently Asked Questions (FAQ)
-
What does the ADM51C module do?
It provides 16 dry contact output channels to control field devices in DCS applications. -
Are the outputs electromechanical?
Yes, it uses mechanical relay contacts for switching. -
Can the module switch both AC and DC loads?
Yes, it supports both, within the specified voltage and current ratings. -
Is the module hot-swappable?
No, the module should be installed or replaced while the system is powered down. -
How do I monitor output status?
Each channel includes an LED to indicate whether the output is active. -
What kind of field devices can be connected?
Solenoid valves, relays, alarms, indicator lamps, contactors, etc. -
What is the typical contact life?
It depends on load type, but generally supports millions of operations for small loads. -
Does it offer fault isolation between channels?
Yes, each channel is individually isolated for fault protection. -
Can it be used in hazardous area installations?
It must be used in conjunction with certified barriers or isolation devices. -
Is this module compatible with ProSafe-RS?
The ADM51C is intended for general control; ProSafe-RS requires safety-rated modules.
Recommended Related Models (Same Series or Functionality)
| Model | Description | Output Type | Channels | Key Feature |
|---|---|---|---|---|
| ADM51-2 S4 | Contact Output Module (enhanced) | Relay Contact Output | 16 | Improved durability and diagnostics |
| ADM12-S4 | Contact Output Module | Relay Contact Output | 12 | High-quality output control |
| ADM11C | Compact Contact Output Module | Relay Contact Output | 8 | Space-saving and simple |
| ADM52C | Contact Output Module | Relay Contact Output | 8 | Reliable relay-based output |
| ADM61-S4 | Mixed Input/Output Module | Mixed I/O | 6 In / 6 Out | Versatile for combined signal needs |
| ADV151-P03 | Digital Transistor Output Module | Transistor Output | 32 | Suitable for fast logic switching |
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