Editorial Technical Reference

Data Interface Module

This page explains how Data Interface Module is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A hardware component that facilitates data exchange between sensors, devices, and the central control system.

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Product Specifications

Technical details and manufacturing context for Data Interface Module

Definition
The Data Interface Module is a critical sub-component of the Central Control and Data Acquisition Unit (CCDAU). It serves as the intermediary hardware responsible for receiving analog or digital signals from various field sensors and industrial devices, converting them into a standardized format, and transmitting the processed data to the central processor for monitoring, analysis, and control actions. It ensures reliable, real-time data communication within the industrial automation system. The module is designed for cabinet installation and supports a supply voltage of 24 V DC (±10%) with reverse polarity protection, per IEC 61131-2. It consumes no more than 200 mA at 24 V DC with no load. It offers 8 to 16 configurable input/output channels, and supports data rates of 10 to 100 Mbit/s with auto-negotiation, per IEEE 802.3. The module supports Modbus TCP and EtherNet/IP protocols, per IEC 61158. It operates over a temperature range of -40 to 85 °C and can be stored in the same range, per IEC 60068-2-1/2. Humidity tolerance is 5 to 95% RH (non-condensing), per IEC 60068-2-78. The housing is rated IP20 for cabinet installation, per IEC 60529, and is made of flame-retardant PC/ABS, per UL 94 V-0. The module features shielded RJ45 connectors, per IEC 60603-7, and is DIN rail mountable with dimensions of 45 × 100 × 115 mm. It weighs no more than 200 g without packaging. The mean time between failures (MTBF) is at least 100,000 hours at 40 °C, per IEC 61709. The module is constructed with a printed circuit board, electronic components (ICs, resistors, capacitors), and connector housings. All listed values are reference ranges; verify model-specific specifications and standards with the legal manufacturer or supplier before procurement or installation.
Working Principle
The module operates by receiving input signals (e.g., 4-20mA, 0-10V, digital I/O, serial data) from connected devices via its input ports. Internal circuitry, including analog-to-digital converters (ADCs), digital isolators, and signal conditioners, processes these signals to filter noise, scale values, and convert them to a protocol (e.g., Modbus, Profibus, Ethernet/IP) compatible with the central controller. It then transmits the formatted data packets through a communication bus (e.g., backplane, Ethernet) to the CCDAU's main processing unit.
Common Materials
Printed Circuit Board (PCB), Electronic Components (ICs, resistors, capacitors), Connector Housings
Technical Parameters
ParameterTypical rangeNotes & selection driver
Supply Voltage24 ±10% V DCReverse polarity protectedIEC 61131-2
Current Consumption≤ 200 mAAt 24 V DC, no load
Number of Channels8–16Configurable input/output
Data Rate10–100 Mbit/sAuto-negotiationIEEE 802.3
ProtocolModbus TCPAlso supports EtherNet/IPIEC 61158
Operating Temperature-40–85 °CExtended temperature rangeIEC 60068-2-1/2
Storage Temperature-40–85 °CNon-condensingIEC 60068-2-1/2
Humidity5–95 % RHNon-condensingIEC 60068-2-78
Ingress ProtectionIP20For cabinet installationIEC 60529
Housing MaterialPC/ABSFlame retardantUL 94 V-0
Connector TypeRJ45ShieldedIEC 60603-7
Dimensions45 × 100 × 115 mmDIN rail mountable
Weight≤ 200 gWithout packaging
MTBF≥ 100000 hAt 40 °CIEC 61709

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Signal Conditioning Circuit
    Amplifies, filters, and isolates incoming sensor signals to ensure accuracy and protect the main system.
    Material: Electronic components on PCB
  • ADC/DAC Converter
    Converts analog signals to digital data (ADC) for processing and digital commands to analog signals (DAC) for output control.
    Material: Integrated Circuit (IC)
  • Communication Controller
    Manages data packetization, protocol handling, and transmission/reception over the network or backplane.
    Material: Microcontroller or ASIC
  • Terminal Block/Connector
    Provides physical interface for wiring field devices (sensors, actuators) to the module.
    Material: Plastic or metal housing with metal contacts
  • Digital Isolator
    Breaks the galvanic path between field wiring and the controller so surges do not reach the CPU.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Central Control and Data Acquisition Unit
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Inspection Control Console
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Analytical Sensor Array
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Tile Data Aggregator
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Context Assembler
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Position Reference System
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar
other spec: Data rate: 10 Mbps max, Power supply: 12-24 VDC, IP rating: IP67
temperature: -40°C to +85°C
Media Compatibility
✓ Water-based fluids ✓ Industrial gases (non-corrosive) ✓ Hydraulic oils
Unsuitable: Highly corrosive chemical environments (e.g., concentrated acids, strong oxidizers)
Sizing Data Required
  • Number of sensor/device channels required
  • Communication protocol (e.g., Modbus, Profinet, Ethernet/IP)
  • Environmental protection rating needed (e.g., NEMA, IP classification)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Signal degradation or loss
Cause: Corrosion or contamination of electrical contacts due to moisture ingress, dust accumulation, or chemical exposure, leading to increased resistance, intermittent connections, or complete failure.
Physical connector damage
Cause: Mechanical stress from improper mating/unmating cycles, vibration, or impact, resulting in bent pins, cracked housings, or loosened fasteners that compromise electrical integrity and alignment.
Maintenance Indicators
  • Intermittent or fluctuating data readings from connected sensors/equipment, indicating unstable electrical connections.
  • Visible corrosion, discoloration, or debris accumulation on connector pins or housing, often accompanied by audible crackling or popping from the module during operation.
Engineering Tips
  • Implement regular inspection and cleaning of electrical contacts using appropriate contact cleaners and anti-corrosion sprays, ensuring seals and gaskets are intact to prevent environmental ingress.
  • Use proper mating/unmating techniques with aligned connectors, avoid excessive force, and secure the module against vibration with mounting brackets or dampeners to reduce mechanical stress.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
IEC 61000-6-2 Electromagnetic Compatibility CE Marking (EU Machinery Directive 2006/42/EC)

Quoted from the published standard.

Manufacturing Precision
  • Connector Pin Alignment: +/-0.05mm
  • Surface Flatness: 0.08mm across mating surface
Quality Inspection
  • Signal Integrity Test (Eye Diagram Analysis)
  • Environmental Stress Screening (Thermal Cycling & Vibration)

Manufacturers of Data Interface Module

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Frequently Asked Questions

What is the primary function of the Data Interface Module?

It receives analog or digital signals from field sensors and devices, converts them to a standardized format, and transmits the data to the central processor for monitoring and control.

What communication protocols does the module support?

It supports Modbus TCP and EtherNet/IP, as listed in the parameters. Verify protocol support for the specific model with the manufacturer.

What are the environmental limits for operation?

The module operates in -40 to 85 °C, with 5-95% RH non-condensing humidity. It is rated IP20 for cabinet installation. Confirm these values for your model.

How is the module powered and what is its power consumption?

It requires 24 V DC (±10%) with reverse polarity protection, and consumes ≤200 mA at 24 V DC with no load. Always verify with the datasheet.
Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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