ProductPRODUCT
Featured products
Contact Us
- Yokogawa
- ADM11T-S2
- Contact Input Module
- Japan
- 125 x 130 x 248 mm
- 0.14 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 9
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |
Product Overview
The Yokogawa ADM11T-S2 Contact Input Module is a compact and reliable digital contact input module designed for Yokogawa CENTUM Distributed Control Systems (DCS). It is used to collect ON/OFF (dry contact) signals from field devices such as switches, pushbuttons, relays, and safety interlocks.
The ADM11T-S2 is engineered for stable signal acquisition and efficient integration in industrial automation systems, ensuring accurate real-time monitoring of discrete field status signals.
This module is widely used in applications requiring high reliability, fast response, and strong electrical isolation in harsh industrial environments.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model | ADM11T-S2 |
| Product Type | Contact Input Module |
| Function | Digital ON/OFF contact signal input |
| System Compatibility | CENTUM VP / CENTUM CS 3000 |
| Input Type | Dry contact (voltage-free contact) |
| Input Channels | 16 channels |
| Input Signal Level | 24 V DC typical system level |
| Signal Type | Discrete ON/OFF signals |
| Isolation | Channel-to-system isolation |
| Response Time | Millisecond-level response |
| Power Supply | 5 V DC (backplane powered) |
| Power Consumption | Low power industrial design |
| Mounting Type | Rack-mounted / cabinet installation |
| Dimensions (H × W × D) | 125 × 130 × 248 mm |
| Weight | 0.14 kg |
Function and Working Principle
The ADM11T-S2 operates as a field digital signal acquisition module within industrial control systems.
Its working process includes:
- Receiving ON/OFF signals from field contact devices
- Detecting electrical state changes of dry contacts
- Converting physical switch status into digital logic signals
- Transmitting processed data to the DCS system via backplane communication
- Updating real-time system status for monitoring and control
This ensures accurate and reliable collection of discrete industrial signals in real time.
Role in Industrial Control Systems
Within Yokogawa CENTUM architecture, the ADM11T-S2 functions as a digital input interface module.
Its key roles include:
- Monitoring switch and relay status in real time
- Collecting safety interlock signals
- Supporting alarm and event detection systems
- Providing input data for control logic execution
- Ensuring stable field-to-system signal conversion
It plays an important role in maintaining process safety, monitoring accuracy, and system reliability.
Industrial Applications
The ADM11T-S2 is widely used in:
- Oil and gas processing systems
- Petrochemical and refinery plants
- Power generation facilities
- Industrial automation systems
- Water treatment plants
- Safety instrumented systems (SIS)
It is especially suitable for applications requiring reliable ON/OFF signal monitoring and safety-critical control inputs.
Installation and System Integration
Proper installation ensures stable operation:
- Installed in Yokogawa DCS I/O racks or cabinets
- Connected to dry contact field devices via terminal wiring
- Requires correct channel configuration in engineering tools
- Shielded cables recommended to reduce electrical noise
- Integrated using CENTUM system configuration software
Correct setup ensures stable signal acquisition and long-term operational reliability.
Compatible System Components
The ADM11T-S2 typically works with:
- Yokogawa CENTUM controllers
- Field Control Stations (FCS)
- Human Interface Stations (HIS)
- Relay switches and limit switches
- Safety interlock systems
These components form a complete industrial automation and control ecosystem.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| Yokogawa ADM11T | Contact Input Module | Standard version | General monitoring |
| Yokogawa ADM11C-S2 | Contact Input Module | Enhanced configuration | Flexible integration |
| Yokogawa ADM11-S2 | Contact Input Module | Rack-optimized version | System expansion |
| Yokogawa ADM12T | Contact Input Module | Expanded channel version | Larger systems |
| Yokogawa ADV series | Digital I/O Modules | Modular architecture | Complex automation |
Key Advantages
- Reliable dry contact signal acquisition
- Fast ON/OFF response performance
- Strong electrical isolation for safety
- Compact industrial-grade design
- Stable operation in harsh environments
- Easy integration with CENTUM systems
- Suitable for continuous industrial use
Technical FAQs
Q1: What is the main function of the ADM11T-S2?
It collects ON/OFF contact signals from field devices and transmits them to the control system.
Q2: What type of input does it support?
It supports dry contact (voltage-free) digital inputs.
Q3: How many channels does it support?
It supports 16 input channels.
Q4: Where is it commonly used?
It is used in industrial automation, DCS systems, and safety monitoring applications.
Q5: What is the difference between ADM11T and ADM11T-S2?
The S2 version is an enhanced configuration with improved stability and system integration flexibility.
Conclusion
The Yokogawa ADM11T-S2 Contact Input Module is a reliable industrial digital input solution designed for accurate ON/OFF signal acquisition. With its stable performance, fast response, and strong compatibility, it ensures dependable monitoring and control in distributed automation systems.
It is widely used in industries where signal reliability, process safety, and system stability are critical.