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  • General DDC Controller Temperature Control Valve Temperature Humidity Controller RWD82
  • General DDC Controller Temperature Control Valve Temperature Humidity Controller RWD82
  • General DDC Controller Temperature Control Valve Temperature Humidity Controller RWD82
  • General DDC Controller Temperature Control Valve Temperature Humidity Controller RWD82
  • General DDC Controller Temperature Control Valve Temperature Humidity Controller RWD82
  • General DDC Controller Temperature Control Valve Temperature Humidity Controller RWD82
General DDC Controller Temperature Control Valve Temperature Humidity Controller RWD82

General DDC Controller Temperature Control Valve Temperature Humidity Controller RWD82

  • 1 - 9 Pieces
    $1,500
  • 10 - 49 Pieces
    $1,300
  • >= 50 Pieces
    $1,000

Customization:

Customized logo（Min.Order: 10000 pieces）
Customized packaging（Min.Order: 10000 pieces）
Graphic customization（Min.Order: 10000 pieces）
View product details

General DDC Controller Temperature Control Valve Temperature Humidity Controller RWD82

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Temperature & Humidity Control: The Siemens RWD82 is a digital direct digital control (DDC) controller designed for precise temperature and humidity regulation in diverse environments.
  • Modbus Communication Interface: Enables seamless integration with industrial networks and remote monitoring systems for real-time data logging, alarms, and system diagnostics.

Key features

  • 1. Durable Industrial Construction

    • With a robust plastic and metal body, you can ensure reliable operation in harsh industrial environments.

  • 2. Intuitive User Interface

    • With a clear digital display and button-based controls, you can easily monitor and adjust settings for seamless operation.

  • 3. Seamless System Integration

    • With Modbus communication capabilities, you can integrate the controller into existing networks for efficient data exchange and remote monitoring.

  • 4. 24/7 Commercial-Grade Performance

    • Designed for continuous operation, you can achieve uninterrupted temperature and humidity control in commercial or industrial settings.

  • 5. Siemens Quality Assurance

    • Backed by a 1-year warranty*, you can trust the controller’s reliability and durability for critical applications.

Product details

General DDC Controller Temperature Control Valve Temperature Humidity Controller RWD82

The Siemens RWD82 is a versatile digital DDC (Direct Digital Control) controller designed for precise temperature and humidity regulation in industrial and commercial environments. Equipped with Modbus communication capabilities, it integrates seamlessly into automation systems, offering real-time monitoring and control of HVAC systems, process equipment, and smart building infrastructure.

Technical specifications

FeatureSpecificationBenefit
CommunicationModbus RTU/ASCII over RS-485Ensures compatibility with legacy systems
DisplayBacklit LCD with multilingual supportClear visibility in low-light conditions
MaterialDurable plastic/metal composite housingResists corrosion and mechanical stress
Connectivity8-channel I/O terminalsSupports sensors, actuators, and valves
Warranty1-year standard warrantyCovers manufacturing defects
Accuracy±0.5°C temperature, ±3% RH humidityMeets industrial-grade precision standards

Customization guide

Adjustable parameters include:

  • Measurement ranges (e.g., temperature -20°C to 120°C) to suit extreme environments.
  • Communication protocols (e.g., optional Ethernet or wireless modules) for system-specific needs.
  • Mounting options (wall, DIN rail, or panel) for space-constrained installations.

Get inspired

The RWD82 empowers engineers to optimize energy efficiency in commercial buildings, industrial processes, and HVAC systems. With its modular design, it’s ideal for retrofitting legacy systems or deploying in new smart infrastructure projects.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
CommunicationModbus RS-485Modbus + EthernetModbus + Ethernet + Wireless (Wi-Fi/Bluetooth)
Data Logging10,000 entries50,000 entries100,000 entries + cloud sync
Alarm Outputs2 dry contacts4 dry contacts6 dry contacts + SMS/email alerts
Power Supply24V DC24V/110V/220V ACUniversal 10–30V DC/AC auto-detect

Supplier's note

  1. Technical Breakthroughs:

    • Modbus Universal Compatibility: The RWD82’s dual Modbus protocol support (RTU/ASCII) ensures seamless integration with 90% of industrial PLC systems.
    • Auto-Calibration: With ±0.5°C accuracy, it reduces manual adjustments by 40% compared to traditional controllers.
    • Rugged Design: The IP65-rated housing withstands harsh environments, outperforming standard controllers in dust/water-prone settings.

  2. Version Selection Guide:

    • Base Model: Ideal for small-scale HVAC systems or retrofits where basic connectivity suffices.
    • Advanced Model: Suitable for medium-sized facilities requiring Ethernet for centralized monitoring (e.g., hospitals, data centers).
    • Pro Model: Tailored for industrial plants or smart buildings needing wireless connectivity and remote diagnostics. Its triple-redundant alarms ensure zero downtime in critical processes.

With Modbus RS-485, you can connect the Base Model to legacy systems without costly upgrades. The Pro Model’s wireless capability enables remote troubleshooting, cutting maintenance costs by 25%. Choose based on your system’s scalability needs and environmental constraints.

Frequently asked questions

  • Which Siemens DDC controller is best for HVAC systems requiring Modbus communication?

  • How do I maintain the Siemens RWD82 temperature control valve?

  • Can the RWD82 integrate with legacy building automation systems?

  • Is the Siemens RWD82 certified for industrial environments?

  • Does the RWD82 support data logging for energy monitoring?

  • What warranty and support options are available for the RWD82?

  • Is the RWD82 suitable for large commercial buildings?

  • What installation requirements does the RWD82 have?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Communication ProtocolsIndustrial Automation NetworksModbus RTU/ASCII (supports legacy systems)▲
BACnet (Advanced)▲▲
(Industry: Modbus only)		Seamless integration with existing systems
Advanced: Cross-platform compatibility		Base: Limited to Modbus
Advanced: Requires additional setup costs
Warranty PeriodHigh-Reliability Applications1 year (Industry Standard)
2 years (Advanced)▲▲		Standard coverage for most use cases
Advanced: Extended support for critical systems		Base: No upgrade option
Advanced: Higher upfront cost
Measurement AccuracyPrecision Manufacturing±0.5% of reading (IEC 60068-2-1)▲
±0.3% (Advanced)▲▲
(Industry: ±1%)		Reduces calibration needs
Advanced: Meets ISO 17025 standards		Base: Slightly higher error margin for extreme precision tasks
Environmental ResistanceHarsh Industrial EnvironmentsIP65 (dust/waterproof▲)
IP67 (Advanced)▲▲
(Industry: IP54)		Protected against splashes
Advanced: Submersion resistance for outdoor use		Base: Not rated for fully sealed applications
Advanced: Heavier/more complex design
Data Logging CapacityLong-Term Monitoring in Research50,000 entries▲
100,000 (Advanced)▲▲
(Industry: 10,000)		Tracks trends over weeks
Advanced: Months of continuous logging capability		Base: Requires frequent data offloading
Advanced: Larger storage footprint
Temperature/Humidity ControlData Centers & Climate-Sensitive Labs±1°C/±3%RH▲
±0.5°C/±2%RH (Advanced)▲▲
(Industry: ±2°C/±5%RH)		Maintains stable environments for servers
Advanced: Lab-grade precision		Base: Not ideal for pharmaceutical storage
Advanced: Requires calibration tools

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