Honeywell 2MLI-D24A Digital Input Module
Product Overview
The Honeywell 2MLI-D24A Digital Input Module is a high-performance input module designed for use with the Honeywell MasterLogic-200 PLC system. It provides 24 digital input channels capable of detecting the ON/OFF status of external devices such as switches, sensors, and other field instruments. Engineered for industrial environments, this module supports reliable signal acquisition with fast response times and robust diagnostics, making it ideal for a wide range of discrete automation applications.
Key Features
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24 Digital Inputs: Allows connection to up to 24 field input signals for status monitoring and control.
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Fast Signal Processing: Ensures quick response in time-sensitive control applications.
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Flexible Input Voltage: Supports input voltage in the 24 V DC range, compatible with most standard industrial sensors.
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Noise Immunity: Built-in protection circuits help prevent signal interference in harsh industrial environments.
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LED Indicators: Channel-wise LED indicators provide real-time input status for easy troubleshooting.
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Compact Design: Saves space in the control panel and is easy to install in tight spaces.
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Seamless Integration: Fully compatible with MasterLogic-200 PLC architecture for smooth system integration.
Technical Specifications
3.1 Dimensions and Weight
| Item | Specification |
|---|---|
| Dimensions | 120 x 80 x 60 mm |
| Weight | 0.1kg |
3.2 Module Information
| Item | Specification |
|---|---|
| Model Number | 2MLI-D24A |
| Input Channels | 24 digital inputs |
| Input Type | Sink/Source, DC input |
| Input Voltage | 24 V DC |
3.3 Electrical and Physical Characteristics
| Item | Specification |
|---|---|
| Input Voltage Range | 18–30 V DC |
| Current Consumption | 200 mA (5 V DC) |
| Operating Temp | 0°C to 55°C |
| Storage Temp | -25°C to +70°C |
| Operating Humidity | 5% to 95% RH, non-condensing |
| Storage Humidity | 5% to 95% RH, non-condensing |
| Protection Class | IP20 |
3.4 System Compatibility
| Item | Specification |
|---|---|
| Compatible System | Honeywell MasterLogic-200 PLC series |
| Communication Protocol | MasterLogic-200 internal bus |
| Software Configuration | Via MasterLogic-200 programming tools |
Industry Applications
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Discrete Manufacturing: Captures ON/OFF signals from sensors, push buttons, and switches in assembly lines and production systems.
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Building Automation: Monitors digital signals from HVAC systems, lighting, and security systems.
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Machine Control: Interfaces with limit switches, emergency stop buttons, and operator panels.
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Material Handling Systems: Used for monitoring position and motion signals in conveyors, sorters, and stackers.
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Utilities and Infrastructure: Ideal for monitoring digital field inputs in power plants, substations, and water treatment systems.
The Honeywell 2MLI-D24A Digital Input Module delivers robust and reliable digital signal acquisition for a broad range of automation systems. With its high channel count, fast processing capabilities, and industrial-grade design, it ensures dependable performance in mission-critical control applications.
