Yokogawa ADM11T Contact Input Module

The Yokogawa ADM11T Contact Input Module is a high-performance digital input module designed to meet the strict demands of mission-critical industrial automation systems. This module is part of the highly reliable Yokogawa CENTUM CS 3000 and CENTUM VP Distributed Control Systems (DCS), and it is engineered to handle discrete signal acquisition from a wide range of field devices such as pushbuttons, relays, proximity switches, and mechanical contacts.

Specifically tailored for turbine control and safety-critical systems, the ADM11T features precise status detection of contact signals with enhanced noise immunity, ensuring highly accurate operation in electrically noisy environments like power plants and refineries. Its design reflects Yokogawa’s dedication to high availability, long lifecycle support, and fail-safe engineering.

Product Specifications

Product Applications

The ADM11T module is engineered for demanding control environments, particularly in industries where safe and accurate contact signal monitoring is crucial. Its main application areas include:

• Turbine Control Systems: Monitoring start/stop switches, overspeed protection contacts, and trip circuits in power turbines.

• Power Generation: Integration with circuit breaker contacts, isolators, and interlocks.

• Oil & Gas Facilities: Capturing discrete signal states from emergency shutdown systems (ESD) and gas detection contact closures.

• Refineries and Chemical Plants: Process interlocks and alarm contacts monitoring in explosion-proof areas.

• Water and Wastewater Treatment: Contact signal acquisition for pump stations, tank level switches, and flow valve statuses.

• Rail and Infrastructure Systems: Signal status capture from field interface equipment for transportation control.

Product Advantages

• Industrial-Grade Reliability: Designed to perform under harsh environmental and electrical conditions for extended periods.

• Compact Form Factor: Minimal footprint allows for easy installation and high-density cabinet layouts.

• Fast and Accurate: Quick response time with precise detection of ON/OFF contact states.

• High Channel Density: 16 independent digital inputs per module, improving cost-efficiency and wiring simplicity.

• Safe and Isolated: Optical isolation ensures system protection from field-level transients and noise.

• Built-In Diagnostics: Quick identification of input status and internal faults via onboard status LEDs.

• Longevity and Support: Designed for long lifecycle in Yokogawa’s DCS with comprehensive global support.

FAQ

1. What devices can I connect to the ADM11T module?

   It accepts signals from dry or wetted contact devices like pushbuttons, relay contacts, and limit switches.

2. Is this module suitable for turbine control systems?

   Yes, the ADM11T is especially designed for critical applications like turbine monitoring and control.

3. Does the ADM11T provide signal isolation?

   Yes, each channel is optically isolated from the system to protect against electrical disturbances.

4. How many channels are available on the ADM11T?

   The module provides 16 independent digital input channels.

5. What is the response time of the module?

   The scanning time is typically under 100 milliseconds, suitable for real-time applications.

6. Can the ADM11T detect contact failures or wiring issues?

   Yes, it includes diagnostic functions and input status LEDs for quick fault identification.

7. Is the module compliant with international standards?

   Yes, it is certified under CE, UL, CSA, and RoHS.

8. What environmental conditions can it operate in?

   It operates within 0–50°C and 5–95% RH, making it suitable for most industrial environments.

9. Does the ADM11T need an external power source for inputs?

   No, the module draws its power from the system for signal detection.

10. Can the ADM11T be used with CENTUM VP?

    Yes, it is fully compatible with both CENTUM VP and CENTUM CS 3000 systems.