Structured Manufacturing Data (2026)

Programmable Logic Controller (PLC) / Temperature Controller

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Programmable Logic Controller (PLC) / Temperature Controller used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Programmable Logic Controller (PLC) / Temperature Controller is characterized by the integration of CPU Module and I/O Module. In industrial production environments, manufacturers listed on CNFX commonly emphasize Electronic components construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A specialized industrial control device that combines PLC functionality with precise temperature regulation capabilities for automated temperature control systems.

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Product Specifications

Technical details and manufacturing context for Programmable Logic Controller (PLC) / Temperature Controller

Definition
This integrated control unit serves as the central processing and command center within a Temperature Control System. It receives input signals from temperature sensors, executes programmed logic sequences for temperature regulation, and outputs control signals to heating/cooling actuators to maintain precise temperature setpoints in industrial processes.
Working Principle
The device operates by continuously monitoring temperature inputs via connected sensors, comparing actual values against programmed setpoints, and executing control algorithms (typically PID) to calculate and output appropriate control signals to heating or cooling elements, maintaining temperature within specified tolerances.
Common Materials
Electronic components, Printed circuit board, Plastic/polycarbonate housing, Metal connectors
Technical Parameters
  • Temperature control range and accuracy specifications (°C) Customizable
Components / BOM
  • CPU Module
    Processes control algorithms and executes programmed logic
    Material: Semiconductor silicon, electronic components
  • I/O Module
    Handles input from temperature sensors and outputs to control devices
    Material: Electronic components, connectors
  • Power Supply Unit
    Provides regulated power to all internal components
    Material: Transformer, capacitors, electronic components
  • Communication Interface
    Enables data exchange with other control systems and HMI
    Material: Electronic components, connectors
  • Housing/Enclosure Part
    Protects internal components from environmental factors
    Material: Plastic, polycarbonate, or metal

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Programmable Logic Controller (PLC) / Temperature Controller.

programmable logic controller temperature regulation industrial PLC temperature controller for machinery automated temperature control system PLC precision temperature controller with PLC functionality machinery manufacturing temperature control

Applied To / Applications

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

Temperature Control System
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0-10 bar (typical process pressure range)
other spec: Control accuracy: ±0.5°C, Response time: <2 seconds, Input voltage: 24VDC/110-240VAC, Communication: Modbus RTU/TCP, Ethernet/IP
temperature: -20°C to +150°C (process temperature range), -10°C to +55°C (operating ambient)
Media Compatibility
✓ Industrial heating/cooling fluids ✓ Food-grade process media ✓ Chemical process solutions
Unsuitable: Explosive atmospheres (ATEX Zone 0) without proper certification
Sizing Data Required
  • Process temperature setpoint and range
  • Heating/cooling capacity required (kW)
  • Control loop type (on/off, PID, cascade)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Input/Output (I/O) module failure
Cause: Electrical surges, poor grounding, or environmental contaminants causing short circuits or component degradation.
Memory corruption or program loss
Cause: Power supply instability, electromagnetic interference (EMI), or battery backup failure in non-volatile memory systems.
Maintenance Indicators
  • Unresponsive or erratic control behavior (e.g., temperature fluctuations beyond setpoints without cause)
  • Audible alarm or flashing fault indicator on the controller panel
Engineering Tips
  • Implement regular preventive maintenance: clean air filters, check connections, and verify grounding to prevent overheating and electrical issues.
  • Use uninterruptible power supplies (UPS) and surge protectors to ensure stable power and protect against voltage spikes.

Compliance & Manufacturing Standards

Reference Standards
ISO 13849-1: Safety of machinery - Safety-related parts of control systems ANSI/ISA-88.00.01: Batch Control CE Marking (EN 61131-2: Programmable controllers - Equipment requirements and tests)
Manufacturing Precision
  • Temperature measurement accuracy: +/-0.5°C
  • Response time: +/-10ms for control output
Quality Inspection
  • Environmental stress screening (temperature cycling, vibration)
  • Functional safety verification (including emergency stop and fault detection)

Factories Producing Programmable Logic Controller (PLC) / Temperature Controller

Manufacturer profiles with relevant production capability in China

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

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What industries commonly use PLC temperature controllers?

PLC temperature controllers are essential in machinery manufacturing, food processing, pharmaceutical production, chemical processing, and HVAC systems where precise automated temperature control is required.

How does this PLC temperature controller differ from standard PLCs?

This device integrates specialized temperature regulation algorithms and hardware with standard PLC functionality, offering dedicated temperature control features alongside general automation capabilities in a single unit.

What communication interfaces are typically available?

Common interfaces include Ethernet/IP, Modbus TCP/RTU, PROFINET, DeviceNet, and serial communication protocols (RS-232/485) for integration with SCADA systems and industrial networks.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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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