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Product Introduction
The Yokogawa ADM11-S3 Contact Input Module is a high-performance digital input module designed for use with the CENTUM CS 3000 and CENTUM VP distributed control systems (DCS). Engineered for reliability and long-term operation in industrial environments, the ADM11-S3 allows for precise monitoring of contact signal statuses from field devices, ensuring accurate process automation and safety control. It plays a critical role in capturing digital signals from push buttons, limit switches, relays, and other contact-type sensors.
Built on Yokogawa’s longstanding reputation for robust industrial automation components, the ADM11-S3 offers 16 channels of contact input and is specifically tailored to meet the demanding standards of process control in industries such as power generation, petrochemicals, oil and gas, and water treatment.
Product Specifications
| Parameter | Specification |
|---|---|
| Model Number | ADM11-S3 |
| Product Type | Contact Input Module |
| Input Channels | 16 channels (non-isolated from each other, isolated from system) |
| Input Signal Type | Dry contact or wetted contact signal input |
| ON State Voltage | 15 V DC or higher |
| OFF State Voltage | 5 V DC or lower |
| Input Impedance | Approx. 4.7 kΩ |
| Scan Interval | 100 ms or faster |
| Power Supply | Supplied from the system (no external power required for input detection) |
| Isolation | Optical isolation between field and system |
| Contact Type | Voltage-free dry contact |
| Diagnostic Function | Built-in self-diagnostics and status indicators |
| Operating Temperature | 0 to 50°C (32 to 122°F) |
| Storage Temperature | -20 to 70°C (-4 to 158°F) |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Installation Method | Mounted on a baseplate within a control cabinet |
| Dimensions (W × H × D) | 125 x 130 x 248 mm |
| Weight | 0.14 kg |
| Certifications | CE, CSA, UL, RoHS compliant |
Product Applications
The ADM11-S3 module is widely used in process industries that require dependable digital signal acquisition. Key application scenarios include:
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Power Plants: Monitoring of switch statuses, interlock contacts, and alarm systems.
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Oil and Gas Facilities: Contact signal acquisition from field instruments and safety systems.
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Petrochemical Refineries: Logic interlocks and control signal monitoring in hazardous zones.
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Water Treatment Plants: Monitoring of float switches, pump contactors, and valve positions.
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Manufacturing Automation: Integrating machine safety switches and manual override signals into the DCS.
Product Advantages
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High Reliability: Designed for industrial environments with robust construction and optical isolation.
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Real-Time Monitoring: Fast scan cycle ensures timely and accurate input data delivery to the control system.
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Built-in Diagnostics: LEDs and self-check functions enhance troubleshooting and reduce downtime.
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Space-Efficient: Compact size allows for high-density input signal monitoring within small enclosures.
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Easy Integration: Seamless compatibility with Yokogawa CENTUM systems ensures effortless configuration.
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Low Maintenance: Stable operation with minimal drift or degradation over time.
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Standards Compliant: Meets international safety and environmental standards (CE, RoHS, UL).
Frequently Asked Questions (FAQ)
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What type of signals can the ADM11-S3 accept?
The ADM11-S3 is designed to accept dry or wetted contact input signals, typically from switches, relays, or other voltage-free contact devices. -
Is the module isolated from the system?
Yes, it features optical isolation between the field inputs and the internal system to ensure safety and prevent signal interference. -
How many input channels are available on the ADM11-S3?
It provides 16 input channels for digital contact signal acquisition. -
What is the required ON and OFF voltage for the input signal?
The ON state requires ≥15V DC, while the OFF state must be ≤5V DC. -
Can the module be used in high humidity environments?
Yes, it supports 5% to 95% relative humidity (non-condensing), suitable for most industrial conditions. -
What is the main difference between ADM11-S3 and ADM11-S2?
The ADM11-S3 typically features improved diagnostics and component revisions for higher reliability compared to older models like ADM11-S2. -
What kind of diagnostic features are included?
The module includes LED indicators and internal self-check routines to detect and notify about internal faults. -
Does it require external power for inputs?
No, the power for detecting input signals is provided internally by the system. -
Can I hot-swap this module during operation?
No, it is not designed for hot-swapping. The system should be powered down before replacing the module. -
Is this module compatible with CENTUM VP?
Yes, it is fully compatible with Yokogawa’s CENTUM VP and CS 3000 systems.
Related Models from the Same Series
| Model | Description | Input Type | Channels | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| ADM11-S2 | Previous version of ADM11-S3 | Contact Input | 16 | 27.2×130×176 | 0.2 kg |
| ADM12-S3 | High-speed digital input module | Contact Input | 16 | 27.2×130×176 | 0.2 kg |
| ADM51 | Dual-redundant input module | Contact Input | 16 | 27.2×130×176 | 0.2 kg |
| ADV151 | Mixed input/output module | Analog/Digital | 8/8 | 27.2×130×176 | 0.25 kg |
| AAI141-S1 | Analog input module | Analog Input | 16 | 27.2×130×176 | 0.2 kg |
| ADV111 | Digital output module | Contact Output | 16 | 27.2×130×176 | 0.2 kg |
Popular Yokogawa Models
| Model | Description | Function | System Compatibility | Weight |
|---|---|---|---|---|
| AAI143-H50 | High-speed analog input module | Analog Input | CENTUM VP/CS 3000 | 0.2 kg |
| AAI543-H00 | HART analog input module | Analog Input (HART) | CENTUM VP/CS 3000 | 0.2 kg |
| AAI835-H00 | Isolated universal input module | Universal Input | CENTUM VP | 0.3 kg |
| AAR181-S00 | Pulse input module | Pulse Signal | CENTUM VP/ProSafe-RS | 0.2 kg |
| ADV551 | Digital output module (relay) | Relay Output | CENTUM VP/CS 3000 | 0.25 kg |
| ACG10S | Control network gateway module | Network Gateway | CENTUM VP | 0.3 kg |
