DEM401 Multi-Channel I/O Module

Description

The DEM401 functions as a multi-channel I/O module that serves as a translator and processor between field devices and higher-level control systems. It accepts a wide range of analog and digital inputs—from temperature sensors, pressure transducers, and flow meters—converts these signals into standardized formats, and transmits them to PLCs, DCS, or SCADA systems via industry-standard protocols. What sets theDEM401 apart is its ability to handle both analog (4-20mA, 0-10V) and digital (dry contact, pulse) signals simultaneously, eliminating the need for multiple single-function modules. Positioned in the automation stack between field devices and control platforms, it acts as a buffer, filtering noise from raw signals to ensure data accuracy.

DEM401

What sets the DEM401apart is its ability to handle both analog (4-20mA, 0-10V) and digital (dry contact, pulse) signals simultaneously, eliminating the need for multiple single-function modules. Positioned in the automation stack between field devices and control platforms, it acts as a buffer, filtering noise from raw signals to ensure data accuracy. The DEM401 also features built-in surge protection, safeguarding against voltage spikes common in industrial environments, and supports hot-swappable installation, allowing for replacement without shutting down the entire system. This combination of versatility and ruggedness ensures it integrates seamlessly into existing setups while enhancing overall system reliability.

DEM401

Technical specifications:
Model Number DEM401
Brand Industrial Automation Technologies
Type Multi-Channel I/O Module
Input Voltage 12-24V DC
Operating Temp Range -25°C to 70°C
Mounting Style DIN rail
Dimensions 100mm x 80mm x 60mm
Weight 280g
Interface/Bus Ethernet/IP, Modbus TCP
Compliance CE, RoHS, UL 61010
Supported Protocols Modbus RTU, Profinet
Typical Power Draw 6W

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DEM401

Main features and advantages:

Choosing the DEM401 delivers tangible benefits that directly impact operational efficiency. Its ability to handle both analog and digital signals reduces the number of modules needed in a system, cutting down on installation space, wiring complexity, and overall costs. Engineers will appreciate the time saved during setup: the module’s plug-and-play design, combined with auto-detection of input types, minimizes configuration errors and speeds up integration into existing systems. The DEM401’s robust construction—including conformal coating on circuit boards—ensures long-term performance in dusty, humid, or vibration-prone environments, reducing the need for frequent replacements. Perhaps most importantly, its advanced signal filtering ensures that control systems receive accurate, reliable data, enabling precise decision-making and reducing the risk of process errors. In industries where even small deviations can lead to costly downtime, the DEM401 provides the data integrity needed to maintain consistent operations.

Application areas:

The DEM401  excels in a range of industrial applications where reliable I/O processing is critical. In automotive manufacturing, it’s used to aggregate data from robotic arm position sensors, conveyor belt encoders, and quality control cameras, ensuring real-time adjustments to production lines. In municipal water treatment facilities, the module processes signals from level transmitters, flow meters, and chemical dosing sensors, providing the data needed to maintain water quality and regulatory compliance. It also performs reliably in food and beverage processing, where its resistance to washdown environments (IP65 rating) allows it to operate near cleaning zones while monitoring temperature, pressure, and fill levels. In each of these settings, the DEM401  meets the demand for continuous operation, withstanding the rigorous cycles of 24/7 production and ensuring critical system uptime.

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