Network Interface: Power Supply 24 VDC ±10%

Q: 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.

Q: 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).

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

Parameter	Typical range	Notes & selection driver
MTBF	>500,000 hours
Data Rate	10/100/1000 Mbps
Protocols	Ethernet/IP, PROFINET, Modbus TCP, OPC UA
Power Supply	24 VDC ±10%
Connector Type	M12, RJ45, LC fiber
Isolation Voltage	1500 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.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Network Interface

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

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

View profile Send enquiry

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

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