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Product Introduction
The Yokogawa ADV142-P12 is a high-performance digital input module designed for use within the Yokogawa CENTUM VP and ProSafe-RS distributed control systems. Engineered with precision and reliability in mind, this module is specifically tailored to monitor multiple field signals, providing robust signal processing and fault detection capabilities.
The ADV142-P12 supports 32 channels of digital input and offers compatibility with positive logic signals. It is built to endure the rigorous demands of industrial environments, including temperature fluctuations, vibration, and electrical noise. This module is frequently employed in critical applications such as power plants, oil & gas refineries, chemical processing facilities, and pharmaceutical manufacturing.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | ADV142-P12 |
| Manufacturer | Yokogawa Electric Corporation |
| Product Type | Digital Input Module |
| Number of Channels | 32 channels |
| Input Type | Digital (24 V DC, Positive Logic) |
| Input Voltage Range | 0 to 30 V DC |
| Rated Input Voltage | 24 V DC |
| Input Impedance | Approx. 4.7 kΩ |
| Input Signal Type | Voltage input |
| Isolation | Optical isolation between field and logic |
| Response Time | < 5 ms |
| Channel Status Indicators | Yes (LED for each channel) |
| Power Consumption | Approx. 4.5 W |
| Redundancy Support | Yes (when used with appropriate base and processor) |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +70°C |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Dimensions (W x H x D) | 107.5 × 130 × 32.8 mm |
| Weight | 0.3 kg |
| Mounting Method | Rack-mounted via I/O base plate |
| Certifications | CE, CSA, UL, ATEX (depending on system configuration) |
Product Applications
The ADV142-P12 module is used in various mission-critical industrial systems for real-time digital signal monitoring. Its key application areas include:
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Distributed Control Systems (DCS) – Providing high-speed digital input signal processing.
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Emergency Shutdown Systems (ESD) – For reliable detection of binary states in safety applications.
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Boiler Management Systems – Monitoring limit switches, relay contacts, and safety interlocks.
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Pipeline Monitoring – Detecting valve positions and flow switch statuses.
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Substation Automation – Monitoring breaker and relay states.
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Building Management Systems (BMS) – Integrating binary sensor data.
Product Advantages
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High Channel Density: With 32 channels, this module provides compact yet efficient signal acquisition.
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Signal Integrity: Equipped with optical isolation for superior noise immunity and protection.
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Industrial Durability: Designed to withstand harsh industrial environments.
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Quick Diagnostics: Each channel has a dedicated LED for easy troubleshooting.
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Flexible Integration: Easily integrates into Yokogawa’s CENTUM and ProSafe-RS systems.
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Redundancy Compatibility: Enhances system availability through redundant configurations.
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Standard Compliance: Adheres to international industrial standards (CE, UL, ATEX).
Frequently Asked Questions (FAQ)
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Q: How many digital input channels does the ADV142-P12 support?
A: It supports 32 digital input channels. -
Q: What type of input signal is accepted?
A: The module accepts 24V DC positive logic signals. -
Q: Can the ADV142-P12 be used in redundant system setups?
A: Yes, it supports redundancy when used with the appropriate I/O base and system processor. -
Q: What kind of isolation is provided?
A: Optical isolation is used between the field inputs and internal logic. -
Q: Is the ADV142-P12 suitable for safety-critical applications?
A: Yes, especially when integrated with Yokogawa’s ProSafe-RS safety system. -
Q: What is the power consumption of the module?
A: It consumes 4.5 watts. -
Q: Does it have onboard diagnostic indicators?
A: Yes, each input channel has an individual LED for status indication. -
Q: Can it operate in extreme environments?
A: Yes, it is designed for -20°C to +60°C operational temperature. -
Q: How is the module installed?
A: It is installed via a rack-mounted base plate. -
Q: What industries typically use the ADV142-P12?
A: Commonly used in power generation, petrochemicals, refining, and other process industries.
Related or Similar Yokogawa Models
| Model | Description | Input Type | Channels | Use Case |
|---|---|---|---|---|
| ADV151-P00 | Digital Input Module, 16 channels | Positive Logic | 16 | Low channel-count input systems |
| ADV141-P00 | 32-Channel Digital Input Module | Positive Logic | 32 | General-purpose DCS input |
| ADV161-P00 | Digital Input, Negative Logic, 16 channels | Negative Logic | 16 | Reverse logic applications |
| ADV561-P00 | Pulse Input Module | Pulse Input | 8 | Speed or frequency monitoring |
| ADV159-P03 | Isolated Digital Input, 32 channels | Isolated | 32 | Noisy environments |
| ADV152-P00 | Digital Input Module with sequence-of-events | SOE Inputs | 32 | Event capture & diagnostics |
Popular Yokogawa Models
| Model | Description | Module Type | Application |
|---|---|---|---|
| AAI141-H50 | Analog Input Module, High-speed, 16ch | Analog Input Module | Process measurement (e.g., temp, flow) |
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| ADV151-P03 | Digital Input Module, with Sequence Detection | Digital Input Module | Emergency shutdown systems |
| AAR181-S00 | Relay Output Module, 16ch | Digital Output Module | Solenoid or lamp control |
| CP451-10 | Control Processor Unit | CPU Module | Main processor for control |
| PW402 | Power Supply Module | Power Module | Provides DC power for rack system |
