INDUSTRY COMPONENT

Network Interface

Network Interface is a hardware component enabling data communication between industrial machines and control systems via Ethernet, PROFINET, or other industrial protocols.

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Component Specifications

Definition
A Network Interface in industrial engineering is a specialized electronic component integrated into communication modules that facilitates bidirectional data exchange between machinery, PLCs, SCADA systems, and enterprise networks. It converts internal machine signals to standardized network protocols (e.g., Ethernet/IP, Modbus TCP) and vice versa, ensuring reliable, real-time communication for monitoring, control, and data acquisition in automated environments. Key features include industrial-grade durability, deterministic performance, and support for time-sensitive networking (TSN) in critical applications.
Working Principle
The Network Interface operates by receiving electrical or optical signals from a machine's internal bus (e.g., fieldbus), processing them through a microcontroller or FPGA, and encapsulating data into network packets according to protocols like TCP/IP or industrial Ethernet standards. It manages physical layer connectivity (via RJ45, M12, or fiber optic ports), handles error correction, and ensures low-latency transmission through buffering and priority queuing, often incorporating hardware acceleration for protocol stacks to meet real-time requirements in industrial automation.
Materials
PCB (FR4 grade with conformal coating for moisture resistance), connectors (M12-D coded for Ethernet, gold-plated contacts), ICs (industrial-grade microcontrollers, Ethernet PHY chips), housing (aluminum alloy or polycarbonate with IP67 rating), and shielding (EMI/RFI protection).
Technical Parameters
ParameterTypical rangeNotes & selection driver
MTBF>500,000 hours
Data Rate10/100/1000 Mbps
ProtocolsEthernet/IP, PROFINET, Modbus TCP, OPC UA
Power Supply24 VDC ±10%
Connector TypeM12, RJ45, LC fiber
Isolation Voltage1500 VAC
Operating Temperature-40°C to 85°C

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

Standards
ISO/IEC 8802-3, IEC 61158, DIN EN 50173

Parent Products

This component is used in the following industrial products

Communication Modules

Hardware components that enable data exchange between control system devices and external networks.

View Product Details

Network Processor

A specialized integrated circuit for high-speed packet processing, forwarding, and management in networking equipment.

View Product Details

Engineering Analysis

Risks & Mitigation
  • Network downtime due to interface failure
  • Cybersecurity vulnerabilities from unsecured interfaces
  • Data loss from protocol mismatches
  • Overheating in high-density installations
FMEA Triads
Trigger: Electrical surge or ESD damage
Failure: Interface chip burnout leading to communication loss
Mitigation: Implement surge protection circuits and grounding; use industrial-grade components with high ESD ratings.
Trigger: Connector corrosion in humid environments
Failure: Intermittent connectivity or signal degradation
Mitigation: Apply conformal coating to PCB; specify IP67-rated connectors with sealed designs.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Signal integrity within ±0.1 dB up to 100m cable length; latency <1 ms for real-time protocols
Test Method
IEC 61000-4 series for EMC; vibration testing per IEC 60068-2-6; protocol conformance testing via vendor-specific tools (e.g., PROFINET certification).

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Network Interface

3 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Advantech Co., Ltd.
Taiwan, CN
Also makes: Human-Machine Interface, Single Board Computer, Automation Controller and 9 more
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Network Interface & Acceleration Cards”
View source page ↗ advantech.com · recorded 2026-09-02
View profile Send enquiry
PCBMay
Shenzhen, Guangdong, CN
Also makes: Programmable Logic Controller, Battery Management System, Human-Machine Interface and 9 more
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Network Interface Boards”
View source page ↗ pcbmay.com · recorded 2026-09-08
View profile Send enquiry
Shenzhen STHL Technology Co., Ltd.
Shenzhen, Guangdong, CN
Also makes: Heavy Copper PCB, Connector / Cable Assembly, PCB Assembly and 9 more
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Network Interface Card PCB ...”
View source page ↗ sthlpcba.com · recorded 2026-08-29
View profile Send enquiry

Explore company information and manufacturing capabilities, then discuss the scope of your project with a relevant supplier.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the difference between a standard Ethernet interface and an industrial Network Interface?

Industrial Network Interfaces are built for harsh environments with extended temperature ranges, higher vibration resistance, IP67 sealing, and support for deterministic protocols like PROFINET, unlike commercial Ethernet interfaces designed for office use.

How do I select a Network Interface for my machine?

Consider protocol compatibility (e.g., match to your PLC system), environmental ratings (IP class, temperature), data rate requirements, connector type (M12 for robustness), and certifications for your industry (e.g., ATEX for hazardous areas).

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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