Excellent PLC
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| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The Yokogawa ADV142 Digital Input Module is a reliable and robust device designed to interface discrete signals into Yokogawa’s CENTUM and ProSafe-RS control systems. It converts field digital input signals into the process control system, enabling monitoring and control of digital events such as switch status, push buttons, or relay contacts. Known for its high stability and precise signal processing, the ADV142 is widely used in industries where dependable digital input detection is critical.
Engineered to meet stringent industrial standards, this module supports various signal types, offers excellent noise immunity, and integrates seamlessly into Yokogawa’s distributed control system architecture. The module’s design emphasizes long-term reliability and easy maintenance, making it a preferred choice for process automation in sectors such as power generation, petrochemicals, and manufacturing plants.
Product Specifications
| Parameter | Description |
|---|---|
| Model Number | ADV142 |
| Input Channels | 16 channels |
| Input Type | Digital contact input (Dry Contact) |
| Input Voltage | 24 V DC (nominal) |
| Input Current | 5 mA per channel |
| Response Time | ≤ 100 ms |
| Isolation | Optically isolated input circuits |
| Operating Temperature | -5°C to +55°C |
| Storage Temperature | -25°C to +70°C |
| Humidity | 5% to 95% RH (non-condensing) |
| Power Supply | Supplied via backplane of control system |
| Mounting | DIN rail or rack mount |
| Dimensions (WxHxD) | 107.5 × 130 × 32.8 mm |
| Weight | 0.3 kg |
| Communication Interface | System bus compatible with CENTUM, ProSafe-RS |
Product Applications
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Monitoring discrete status signals in process control environments
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Detecting switch contacts and relay outputs for safety and alarm systems
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Integration with Yokogawa CENTUM and ProSafe-RS Distributed Control Systems (DCS)
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Control of emergency shutdown systems through reliable digital input detection
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Used in power plants for turbine and generator status monitoring
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Petrochemical plants for valve position indication and equipment monitoring
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Manufacturing lines to detect operational states and trigger automated responses
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Water treatment plants for pump and valve control feedback
Product Advantages
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High Reliability: Designed to operate reliably under harsh industrial conditions with optical isolation to prevent noise interference.
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Seamless Integration: Fully compatible with Yokogawa control systems for straightforward plug-and-play installation.
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Compact Design: Small footprint allows efficient use of rack space in control cabinets.
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Fast Response Time: Ensures timely detection and processing of input signals to enhance system responsiveness.
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Maintenance Friendly: Easy replacement and modular design reduce downtime during maintenance.
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Safety Compliance: Supports safety instrumented functions with robust input isolation and fail-safe design.
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Wide Operating Range: Suitable for varied industrial environments with a broad temperature and humidity tolerance.
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Energy Efficient: Low power consumption reduces operational costs and heat generation within control panels.
Frequently Asked Questions (FAQ)
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What types of input signals does the ADV142 accept?
The ADV142 accepts dry contact digital inputs, such as mechanical switch contacts or relay outputs. -
Is the input electrically isolated?
Yes, each input channel is optically isolated to protect against electrical noise and ground loops. -
Can the ADV142 module be used in hazardous environments?
While the module is robust, hazardous area suitability depends on the entire system and proper certification. Consult Yokogawa for specific hazardous area certifications. -
How many input channels are available on the ADV142?
The module provides 16 discrete digital input channels. -
What is the response time for digital input detection?
The response time is typically less than or equal to 100 milliseconds. -
How is the module powered?
It receives power from the backplane of the Yokogawa control system rack. -
What are the module dimensions?
The module measures 107.5 × 130 × 32.8 mm. -
Is the module compatible with Yokogawa ProSafe-RS safety systems?
Yes, the ADV142 is designed to integrate with both CENTUM and ProSafe-RS platforms. -
What maintenance is required for the ADV142?
Regular inspection is recommended; the module is designed for easy replacement if failure occurs. -
Can the module handle wet contact inputs?
No, the ADV142 is designed for dry contact inputs only.
Related and Recommended Models
| Model Number | Description | Input Channels | Application |
|---|---|---|---|
| ADV141 | Digital Input Module, 8 channels | 8 | Smaller scale digital input applications |
| ADV143 | Digital Input Module, 32 channels | 32 | High-density digital input requirements |
| ADV144 | Digital Output Module, 16 channels | – | Complementary digital output control |
| ADV152 | Analog Input Module, 16 channels | – | For analog signal measurement |
| ADV162 | Analog Output Module, 8 channels | – | Analog output control |
| ADV242 | Digital Input Module for Safety Systems | 16 | Safety-related digital inputs |
Popular Yokogawa Models
| Model Number | Description | Type | Notes |
|---|---|---|---|
| CENTUM VP | Distributed Control System | DCS | Flagship control platform |
| ProSafe-RS | Safety Instrumented System | SIS | Safety automation |
| YS170 | Field Transmitter | Transmitter | Pressure/flow measurement |
| YTA810 | Temperature Transmitter | Transmitter | Temperature measurement |
| YR8000 | Controller | Controller | Process control |
| ADV300 | High-speed Analog Input Module | Analog I/O | High-performance analog input |
