製品紹介
The Honeywell 2MLI-D28A-CC is a high-performance digital input module designed to integrate seamlessly into the Honeywell TDC 3000 Distributed Control System (DCS). It serves as a vital component in converting discrete field signals into data that the control system can process for automation and monitoring tasks.
This module provides 32 digital input channels, allowing extensive monitoring / on//f status signals from various field devices such as switches, sensors, and relays. Built to withstand the challenging conditions / industrial environments, the 2MLI-D28A-CC /fers robust electrical isolation and noise imm台y to ensure signal integrity.
Thanks to its modular design, the 2MLI-D28A-CC fits efficiently into Honeywell system racks and supports hot-swapping, enabling maintenance or replacement without disrupting system operation. It is widely employed in sectors where reliable digital signal acquisition is crucial for process control, safety, and operational efficiency.
製品仕様
| Parameter | Specification |
|---|---|
| Number / Input Channels | 32 digital inputs |
| Input Signal Type | Dry contact, Voltage-free contact, or 24 V DC input |
| Input Voltage Range | 0 – 30 V DC |
| Input Current | Typically 3 to 5 mA |
| Response Time | Less than 10 ms |
| Input Isolation | Optical isolation per channel |
| Operating Voltage | 5 V DC (supplied by system backplane) |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95% (non-condensing) |
| Dimensions (L × W × H) | 22 x 124 x 126 mm |
| 重量 | 0.15 kg |
| Certification | CE certified, UL recognized |
Applications
The 2MLI-D28A-CC Digital Input Module is used across a variety / industrial automation and control environments, including:
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Distributed Control Systems (DCS): Integral for digital signal monitoring within Honeywell TDC 3000 and similar systems.
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Oil & Gas Industry: Monitoring safety interlocks, valve positions, emergency shutdown signals, and equipment statuses.
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Chemical and Petrochemical Plants: Continuous monitoring / discrete events such as pump on//f states and alarm statuses.
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Power Plants: Monitoring breaker statuses, protective relay signals, and other critical digital inputs.
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Water and Wastewater Treatment: Control and monitoring / pump operation, valve actuation, and level detection switches.
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Manufacturing and Automation: Capturing machine status, emergency stops, and discrete sensor outputs for automated production lines.
Advantages and Key Features
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High Channel Count: Provides 32 digital input points per module, maximizing system input capacity while minimizing rack space usage.
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Optical Isolation: Each input channel is optically isolated, protecting the system from electrical interference and transient spikes.
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Versatile Input Compatibility: サポートs a wide range / discrete signals including dry contacts and 24 V DC voltage inputs.
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Fast Signal Response: Ensures less than 10 milliseconds delay for rapid detection and response to field status changes.
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Hot-Swappable Modular Design: Enables easy replacement or upgrade without shutting down the entire control system.
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Robust Industrial Grade Construction: Designed for reliable operation in harsh environments with varying temperatures and humidity.
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Comprehensive Diagnostics: Integrated diagnostics support quick fault detection and maintenance, improving system uptime.
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Compliance and Safety: Meets CE and UL certifications, ensuring safety, quality, and regulatory compliance.
よくある質問 (FAQ)
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How many digital inputs does the 2MLI-D28A-CC support?
It supports 32 digital input channels. -
What types / input signals are compatible with this module?
It accepts dry contacts, voltage-free contacts, and 24 V DC signals. -
Is the 2MLI-D28A-CC module hot-swappable?
Yes, it can be removed or installed without powering down the system. -
What is the typical response time for input signals?
The response time is less than 10 milliseconds. -
Does each input have electrical isolation?
Yes, every channel is optically isolated. -
What environmental conditions can this module operate under?
It operates between 0°C and 60°C with relative humidity up to 95%, non-condensing. -
Is this module certified for industrial use?
Yes, it carries CE certification and UL recognition. -
What are the physical dimensions and weight / this module?
Dimensions are 22 x 124 x 126 mm, weighing 0.15 kg. -
Can the module be used in other Honeywell systems beyond TDC 3000?
It is designed primarily for TDC 3000 but may be compatible with other Honeywell architectures. -
What diagnostic features does this digital input module /fer?
It supports channel-level diagnostics and fault detection for maintenance purposes.
Recommended Similar or Related Honeywell モデルs
| モデル | 説明 | Notes |
|---|---|---|
| 2MLI-D22A-CC | 16-channel Digital Input Module | Lower channel count, similar design |
| 2MLI-D22B-CC | 16-channel Digital Input Module with noise filtering | Enhanced electrical noise imm台y |
| 2MLI-DI24-CC | 24-channel Digital Input Module | Medium channel count |
| 2MLI-DO22A-CC | 16-channel Digital Output Module | Controls discrete outputs |
| 2MLI-AI22A-CC | Analog Input Module | For continuous signal monitoring |
| 2MLI-AO22A-CC | Analog Output Module | Analog output control |
Popular Honeywell Input and Output Modules
| モデル | 説明 | Typical Use |
|---|---|---|
| 2MLI-D28A-CC | 32-channel Digital Input Module | High-density digital input |
| 2MLI-D22A-CC | 16-channel Digital Input Module | Standard digital input module |
| 2MLI-DO22A-CC | 16-channel Digital Output Module | Discrete output control |
| 2MLI-DI24-CC | 24-channel Digital Input Module | Expanded input capacity |
| 2MLI-AI22A-CC | Analog Input Module | Analog process variables |
| 2MLI-AO22A-CC | Analog Output Module | Control / analog devices |
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