Editorial Technical Reference

Sensor Interface Module

This page explains how Sensor Interface Module is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

Electronic interface component that connects sensors to flow control systems for signal processing and communication.

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Product Specifications

Technical details and manufacturing context for Sensor Interface Module

Definition
The Sensor Interface Module is a specialized electronic component used in flow control systems. It acts as an intermediary between various sensors—such as pressure, temperature, and flow rate sensors—and the main control system. The module conditions sensor signals, converts analog inputs to digital data, provides electrical isolation, and facilitates communication protocols to ensure accurate monitoring and control of fluid flow processes. It is designed for integration into industrial machinery and equipment, particularly in applications requiring precise flow measurement and control. The module features a printed circuit board (PCB) with integrated circuits, connectors, and a plastic or composite housing. It supports standard signal interfaces including 4-20 mA and 0-10 V, as well as digital protocols like Modbus, Profibus, and Ethernet/IP. Key parameters include an operating pressure range of 1.0–1.6 MPa, a supply voltage of 24 V DC ±10%, current consumption of ≤120 mA without sensor load, and signal input/output of 4–20 mA (per IEC 60381-1). Accuracy is ±0.1% FS (per IEC 60770). Operating and storage temperatures range from -40 to 85 °C (per IEC 60068-2-1 and IEC 60068-2-2). The module offers ingress protection ratings of IP65–IP67 (per IEC 60529) with an M12 connector version, and housing material is 316L stainless steel (per ASTM A276) with optional PTFE coating. Electrical connection is via a 4-pin, A-coded M12×1 connector (per IEC 61076-2-101). Weight varies from 0.3 to 0.5 kg depending on housing. All values are reference ranges and must be verified with the manufacturer for specific models and applications.
Working Principle
The Sensor Interface Module receives raw electrical signals from connected sensors. It amplifies and filters these signals to remove noise, performs analog-to-digital conversion, and transmits the processed data to the central flow controller via standardized communication interfaces such as 4-20 mA, 0-10 V, Modbus, Profibus, or Ethernet/IP. The module ensures signal integrity and electrical isolation, enabling accurate monitoring and control of fluid flow processes.
Common Materials
Printed Circuit Board (PCB), Integrated Circuits (ICs), Connectors, Plastic/Composite Housing
Technical Parameters
ParameterTypical rangeNotes & selection driver
Supply Voltage24 ±10% V DCReverse polarity protected
Current Consumption≤ 120 mAWithout sensor load
Signal Input4–20 mAHART compatibleIEC 60381-1
Signal Output4–20 mALoad ≤ 500 ΩIEC 60381-1
Accuracy±0.1 % FSIncluding linearity and hysteresisIEC 60770
Operating Temperature-40–85 °CExtended range on requestIEC 60068-2-1
Storage Temperature-40–85 °CIEC 60068-2-2
Ingress ProtectionIP65–IP67M12 connector versionIEC 60529
Housing Material316LOptional PTFE coatingASTM A276
Electrical ConnectionM12×14-pin, A-codedIEC 61076-2-101
Weight0.3–0.5 kgDepending on housing

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

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar
flow rate: 0.1 to 100 L/min
temperature: -40°C to 85°C
slurry concentration: Up to 20% solids by weight
Media Compatibility
✓ Water-based fluids ✓ Hydraulic oils ✓ Industrial gases
Unsuitable: Corrosive acids (e.g., sulfuric acid)
Sizing Data Required
  • Sensor output signal type (e.g., 4-20mA, 0-10V)
  • Required communication protocol (e.g., Modbus, Profibus)
  • Power supply voltage (e.g., 24VDC, 120VAC)

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Signal drift or loss
Cause: Degradation of electrical contacts due to corrosion, thermal cycling, or vibration-induced wear, leading to intermittent or inaccurate data transmission.
Environmental ingress failure
Cause: Compromised seals or housing integrity allowing moisture, dust, or chemical contaminants to penetrate, causing short circuits, corrosion, or sensor malfunction.
Maintenance Indicators
  • Intermittent or erratic readings on the monitoring system despite stable process conditions
  • Visible corrosion, moisture accumulation, or physical damage on the module housing or connector interfaces
Engineering Tips
  • Implement regular calibration and diagnostic testing according to manufacturer specifications to detect early signal degradation and prevent drift-related failures.
  • Ensure proper environmental sealing and use protective enclosures or coatings suitable for the operating environment (e.g., IP-rated housings, corrosion-resistant materials) to prevent ingress-related damage.

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
  • Signal Output Accuracy: +/-0.5% of full scale
Quality Inspection
  • Environmental Stress Screening (Temperature/Humidity Cycling)
  • Signal Integrity and Noise Immunity Testing
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.

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Manufacturers of Sensor Interface Module

Manufacturer profiles associated with Sensor Interface Module.

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Frequently Asked Questions

What communication protocols does the module support?

The module supports standardized interfaces such as 4-20 mA, 0-10 V, Modbus, Profibus, and Ethernet/IP. Confirm protocol compatibility with the manufacturer for your application.

What is the accuracy of the module?

The accuracy is ±0.1% FS, including linearity and hysteresis, per IEC 60770. This is a reference value; verify for the specific configuration.

What are the environmental ratings?

The module has an ingress protection rating of IP65–IP67 (per IEC 60529) with an M12 connector version. Operating and storage temperatures range from -40 to 85 °C (per IEC 60068-2-1 and IEC 60068-2-2).

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

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Applied To / Applications

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

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Industrial Ecosystem & Supply Chain Structure

Data Basis

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

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.

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 · Page last updated 13 October 2026

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