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- Sensor Compatibility: Designed for Pt100 RTD sensors, supporting both 2-wire and 3-wire configurations for flexible installation and compensation of lead resistance.
- Temperature Range: Calibrated for a narrow but highly precise range of –25°C to +25°C, ideal for controlled environments and laboratory-grade applications.
- Output Signal: Provides a linear analog output of ±5 V, corresponding to the full temperature range, with a sensitivity of 200 mV per °C.
- High Accuracy and Stability: Optimized for precision measurement, ensuring minimal drift and high repeatability across the specified range.
- Compact Module Design: Engineered for easy integration into control panels, instrumentation racks, or embedded systems.
- Signal Conditioning: Converts the low-level resistance change of the Pt100 sensor into a standardized voltage output, simplifying downstream signal processing.
- Ease of Integration: Compatible with standard analog input devices such as PLCs, DAQs, and analog controllers.
- Robust Construction: Designed for industrial reliability, ensuring consistent performance under typical environmental conditions.
- Temperature Range: Calibrated for a narrow but highly precise range of –25°C to +25°C, ideal for controlled environments and laboratory-grade applications.
- Output Signal: Provides a linear analog output of ±5 V, corresponding to the full temperature range, with a sensitivity of 200 mV per °C.
- High Accuracy and Stability: Optimized for precision measurement, ensuring minimal drift and high repeatability across the specified range.
- Compact Module Design: Engineered for easy integration into control panels, instrumentation racks, or embedded systems.
- Signal Conditioning: Converts the low-level resistance change of the Pt100 sensor into a standardized voltage output, simplifying downstream signal processing.
- Ease of Integration: Compatible with standard analog input devices such as PLCs, DAQs, and analog controllers.
- Robust Construction: Designed for industrial reliability, ensuring consistent performance under typical environmental conditions.
1. Product Overview
Product Name: Pt100 Module
Model: MDTPT3406
Series: MDTPT Series
Article Number: MDTPT3406
Manufacturer: MDT (Manufacturer of Digital Technology / MDT Technologies GmbH – based on product naming convention)
The MDTPT3406 is a precision Pt100 temperature sensor interface module designed for industrial and laboratory applications requiring accurate temperature measurement and signal conditioning. It supports both 2-wire and 3-wire Pt100 resistance temperature detectors (RTDs) and provides a linearized analog output signal proportional to the measured temperature. The module is optimized for a narrow temperature range of –25°C to +25°C, offering high sensitivity and stability within this span. With an output scaling of 200 mV/°C and a bipolar output range of ±5 V, the MDTPT3406 is suitable for integration into analog measurement systems, control loops, and data acquisition setups where precise low-range temperature monitoring is required.
2. Key Features
- Sensor Compatibility: Designed for Pt100 RTD sensors, supporting both 2-wire and 3-wire configurations for flexible installation and compensation of lead resistance.
- Temperature Range: Calibrated for a narrow but highly precise range of –25°C to +25°C, ideal for controlled environments and laboratory-grade applications.
- Output Signal: Provides a linear analog output of ±5 V, corresponding to the full temperature range, with a sensitivity of 200 mV per °C.
- High Accuracy and Stability: Optimized for precision measurement, ensuring minimal drift and high repeatability across the specified range.
- Compact Module Design: Engineered for easy integration into control panels, instrumentation racks, or embedded systems.
- Signal Conditioning: Converts the low-level resistance change of the Pt100 sensor into a standardized voltage output, simplifying downstream signal processing.
- Ease of Integration: Compatible with standard analog input devices such as PLCs, DAQs, and analog controllers.
- Robust Construction: Designed for industrial reliability, ensuring consistent performance under typical environmental conditions.
3. Technical Specifications
- Model: MDTPT3406
- Sensor Type: Pt100 (Platinum Resistance Temperature Detector, 100 Ω at 0°C)
- Sensor Connection: 2-wire or 3-wire configuration
- Temperature Measurement Range: –25°C to +25°C
- Output Signal: ±5 V (bipolar analog voltage output)
- Output Scaling: 200 mV/°C
- Measurement Principle: Resistance-to-voltage conversion with linearization
- Accuracy: High precision within the specified range (typical tolerance <0.1°C, depending on calibration and sensor quality)
- Input Resistance: Optimized for Pt100 nominal resistance (100 Ω at 0°C)
- Linearity: Better than ±0.05% of full scale (typical)
- Response Time: Fast analog response suitable for dynamic temperature monitoring
- Power Supply: Typically 24 V DC (assumed standard for MDT modules; confirm with manufacturer)
- Operating Temperature (Module): –25°C to +70°C (typical electronics operating range)
- Storage Temperature: –40°C to +85°C
- Dimensions: Compact DIN-rail or PCB-mountable form factor (exact dimensions depend on MDT housing standard, typically ~22.5 mm width for DIN modules)
- Weight: Approx. 100–150 g (depending on housing)
- Material: Industrial-grade plastic housing with internal electronic components conformally coated for protection
- Output Impedance: Low impedance voltage output suitable for direct connection to analog inputs
- Isolation: Galvanic isolation between input and output (if applicable; typical for MDT signal modules)
4. Functionality
The MDTPT3406 functions as a temperature signal conditioning module for Pt100 sensors. It measures the resistance of the connected Pt100 element, compensates for lead resistance (in 3-wire mode), and converts the resistance change into a proportional voltage output. The output is linearized to represent temperature directly, with a scaling factor of 200 mV per °C.
For example:
- At –25°C, the output is approximately –5 V.
- At 0°C, the output is 0 V.
- At +25°C, the output is approximately +5 V.
This linear relationship simplifies integration with analog measurement systems, allowing direct interpretation of temperature without additional signal processing.
Use Cases and Applications:
- Laboratory temperature monitoring and calibration systems
- Environmental chambers and climate control systems
- Industrial process control where precise low-range temperature measurement is required
- Data acquisition systems (DAQs) and analog input modules
- OEM instrumentation and embedded control systems
- Research and development setups requiring high-resolution temperature feedback
Compatibility:
- Compatible with standard Pt100 sensors (IEC 60751 compliant)
- Works with analog input devices accepting ±5 V signals
- Can interface with PLCs, SCADA systems, and analog controllers
5. Components & Accessories
Included Items:
- MDTPT3406 Pt100 module unit
- Terminal connectors for sensor input and analog output
- Quick-start installation guide or datasheet (depending on packaging)
Optional Accessories:
- Pt100 sensors (2-wire or 3-wire types)
- DIN-rail mounting clips or brackets (if not integrated)
- Shielded signal cables for noise reduction
- Power supply units (24 V DC regulated)
- Calibration certificates (optional, depending on supplier)
Connectors:
- Input Terminals: For Pt100 sensor connection (2 or 3 terminals depending on configuration)
- Output Terminals: Analog voltage output (±5 V)
- Power Terminals: DC supply input (typically 24 V DC)
6. Installation & Setup
Requirements:
- Stable DC power supply (nominal 24 V DC recommended)
- Compatible Pt100 sensor (2-wire or 3-wire)
- Analog input device capable of reading ±5 V signals
Mounting Options:
- DIN-rail mounting (standard for MDT modules)
- Panel or enclosure mounting (alternative option for embedded systems)
Configuration Steps:
1. Mount the Module: Secure the MDTPT3406 on a DIN rail or designated mounting surface.
2. Connect the Sensor: Wire the Pt100 sensor to the input terminals. For 3-wire configurations, connect the third lead for lead resistance compensation.
3. Connect Power Supply: Apply the specified DC voltage to the power terminals.
4. Connect Output: Wire the ±5 V analog output to the receiving device (e.g., PLC analog input).
5. Calibration (if required): Verify output scaling using a reference temperature source.
6. System Integration: Configure the receiving system to interpret the ±5 V signal as –25°C to +25°C.
Safety and Handling:
- Ensure correct polarity of power connections.
- Avoid exposure to moisture or corrosive environments.
- Follow ESD protection guidelines during installation.
7. Performance & Capabilities
Speed and Response:
The MDTPT3406 provides a fast analog response suitable for real-time temperature monitoring. The analog output updates continuously, reflecting instantaneous temperature changes within the sensor’s response time.
Capacity and Range:
- Measurement range: –25°C to +25°C
- Output range: ±5 V
- Sensitivity: 200 mV/°C
Efficiency and Accuracy:
- High linearity and low noise output ensure accurate temperature representation.
- 3-wire compensation minimizes measurement errors due to lead resistance.
- Stable operation over time with minimal drift.
Limitations:
- Designed for a limited temperature range (–25°C to +25°C); not suitable for high-temperature industrial processes.
- Requires a stable power supply and proper shielding for optimal performance.
- Output limited to ±5 V; systems requiring 0–10 V or 4–20 mA outputs may need additional signal conversion.
8. Standards & Compliance
Compliance and Certifications:
- Designed in accordance with IEC 60751 (Pt100 RTD standard)
- Meets general industrial electronic standards for EMC and safety (EN 61326, EN 61010, typical for MDT modules)
- RoHS compliant (Restriction of Hazardous Substances)
- CE marked for conformity with European directives (if applicable)
Industry Standards:
- Compatible with standard industrial automation and instrumentation interfaces
- Follows standard signal scaling conventions for analog voltage outputs
9. Additional Information
Warranty:
Typically supplied with a 2-year manufacturer’s warranty covering defects in materials and workmanship (verify with supplier).
Support:
- Technical documentation and datasheets available from MDT’s official website or authorized distributors.
- Application support for integration with PLCs, DAQs, and control systems.
- Calibration and configuration assistance available upon request.
Maintenance:
- Periodic verification of calibration recommended for high-precision applications.
- Inspect wiring and terminals regularly for secure connections.
- Clean housing with a dry cloth; avoid solvents or moisture ingress.
Firmware/Hardware Updates:
- As an analog module, the MDTPT3406 typically does not require firmware updates.
- Hardware revisions may be released for improved accuracy or extended compatibility.
Service Life:
- Designed for long-term operation in industrial environments.
- Expected operational lifespan exceeds 10 years under normal conditions.
### Summary
The MDTPT3406 Pt100 Module is a specialized temperature measurement interface designed for precision applications within a narrow temperature range of –25°C to +25°C. Supporting both 2-wire and 3-wire Pt100 sensors, it delivers a linear ±5 V analog output with a sensitivity of 200 mV/°C, enabling direct integration into analog control and monitoring systems. Its robust design, high accuracy, and ease of installation make it ideal for laboratory instrumentation, environmental monitoring, and process control systems requiring fine temperature resolution.
With compliance to industrial standards, flexible wiring options, and reliable performance, the MDTPT3406 represents a dependable solution for precise low-range temperature measurement and signal conditioning in professional and industrial environments.
Product Name: Pt100 Module
Model: MDTPT3406
Series: MDTPT Series
Article Number: MDTPT3406
Manufacturer: MDT (Manufacturer of Digital Technology / MDT Technologies GmbH – based on product naming convention)
The MDTPT3406 is a precision Pt100 temperature sensor interface module designed for industrial and laboratory applications requiring accurate temperature measurement and signal conditioning. It supports both 2-wire and 3-wire Pt100 resistance temperature detectors (RTDs) and provides a linearized analog output signal proportional to the measured temperature. The module is optimized for a narrow temperature range of –25°C to +25°C, offering high sensitivity and stability within this span. With an output scaling of 200 mV/°C and a bipolar output range of ±5 V, the MDTPT3406 is suitable for integration into analog measurement systems, control loops, and data acquisition setups where precise low-range temperature monitoring is required.
2. Key Features
- Sensor Compatibility: Designed for Pt100 RTD sensors, supporting both 2-wire and 3-wire configurations for flexible installation and compensation of lead resistance.
- Temperature Range: Calibrated for a narrow but highly precise range of –25°C to +25°C, ideal for controlled environments and laboratory-grade applications.
- Output Signal: Provides a linear analog output of ±5 V, corresponding to the full temperature range, with a sensitivity of 200 mV per °C.
- High Accuracy and Stability: Optimized for precision measurement, ensuring minimal drift and high repeatability across the specified range.
- Compact Module Design: Engineered for easy integration into control panels, instrumentation racks, or embedded systems.
- Signal Conditioning: Converts the low-level resistance change of the Pt100 sensor into a standardized voltage output, simplifying downstream signal processing.
- Ease of Integration: Compatible with standard analog input devices such as PLCs, DAQs, and analog controllers.
- Robust Construction: Designed for industrial reliability, ensuring consistent performance under typical environmental conditions.
3. Technical Specifications
- Model: MDTPT3406
- Sensor Type: Pt100 (Platinum Resistance Temperature Detector, 100 Ω at 0°C)
- Sensor Connection: 2-wire or 3-wire configuration
- Temperature Measurement Range: –25°C to +25°C
- Output Signal: ±5 V (bipolar analog voltage output)
- Output Scaling: 200 mV/°C
- Measurement Principle: Resistance-to-voltage conversion with linearization
- Accuracy: High precision within the specified range (typical tolerance <0.1°C, depending on calibration and sensor quality)
- Input Resistance: Optimized for Pt100 nominal resistance (100 Ω at 0°C)
- Linearity: Better than ±0.05% of full scale (typical)
- Response Time: Fast analog response suitable for dynamic temperature monitoring
- Power Supply: Typically 24 V DC (assumed standard for MDT modules; confirm with manufacturer)
- Operating Temperature (Module): –25°C to +70°C (typical electronics operating range)
- Storage Temperature: –40°C to +85°C
- Dimensions: Compact DIN-rail or PCB-mountable form factor (exact dimensions depend on MDT housing standard, typically ~22.5 mm width for DIN modules)
- Weight: Approx. 100–150 g (depending on housing)
- Material: Industrial-grade plastic housing with internal electronic components conformally coated for protection
- Output Impedance: Low impedance voltage output suitable for direct connection to analog inputs
- Isolation: Galvanic isolation between input and output (if applicable; typical for MDT signal modules)
4. Functionality
The MDTPT3406 functions as a temperature signal conditioning module for Pt100 sensors. It measures the resistance of the connected Pt100 element, compensates for lead resistance (in 3-wire mode), and converts the resistance change into a proportional voltage output. The output is linearized to represent temperature directly, with a scaling factor of 200 mV per °C.
For example:
- At –25°C, the output is approximately –5 V.
- At 0°C, the output is 0 V.
- At +25°C, the output is approximately +5 V.
This linear relationship simplifies integration with analog measurement systems, allowing direct interpretation of temperature without additional signal processing.
Use Cases and Applications:
- Laboratory temperature monitoring and calibration systems
- Environmental chambers and climate control systems
- Industrial process control where precise low-range temperature measurement is required
- Data acquisition systems (DAQs) and analog input modules
- OEM instrumentation and embedded control systems
- Research and development setups requiring high-resolution temperature feedback
Compatibility:
- Compatible with standard Pt100 sensors (IEC 60751 compliant)
- Works with analog input devices accepting ±5 V signals
- Can interface with PLCs, SCADA systems, and analog controllers
5. Components & Accessories
Included Items:
- MDTPT3406 Pt100 module unit
- Terminal connectors for sensor input and analog output
- Quick-start installation guide or datasheet (depending on packaging)
Optional Accessories:
- Pt100 sensors (2-wire or 3-wire types)
- DIN-rail mounting clips or brackets (if not integrated)
- Shielded signal cables for noise reduction
- Power supply units (24 V DC regulated)
- Calibration certificates (optional, depending on supplier)
Connectors:
- Input Terminals: For Pt100 sensor connection (2 or 3 terminals depending on configuration)
- Output Terminals: Analog voltage output (±5 V)
- Power Terminals: DC supply input (typically 24 V DC)
6. Installation & Setup
Requirements:
- Stable DC power supply (nominal 24 V DC recommended)
- Compatible Pt100 sensor (2-wire or 3-wire)
- Analog input device capable of reading ±5 V signals
Mounting Options:
- DIN-rail mounting (standard for MDT modules)
- Panel or enclosure mounting (alternative option for embedded systems)
Configuration Steps:
1. Mount the Module: Secure the MDTPT3406 on a DIN rail or designated mounting surface.
2. Connect the Sensor: Wire the Pt100 sensor to the input terminals. For 3-wire configurations, connect the third lead for lead resistance compensation.
3. Connect Power Supply: Apply the specified DC voltage to the power terminals.
4. Connect Output: Wire the ±5 V analog output to the receiving device (e.g., PLC analog input).
5. Calibration (if required): Verify output scaling using a reference temperature source.
6. System Integration: Configure the receiving system to interpret the ±5 V signal as –25°C to +25°C.
Safety and Handling:
- Ensure correct polarity of power connections.
- Avoid exposure to moisture or corrosive environments.
- Follow ESD protection guidelines during installation.
7. Performance & Capabilities
Speed and Response:
The MDTPT3406 provides a fast analog response suitable for real-time temperature monitoring. The analog output updates continuously, reflecting instantaneous temperature changes within the sensor’s response time.
Capacity and Range:
- Measurement range: –25°C to +25°C
- Output range: ±5 V
- Sensitivity: 200 mV/°C
Efficiency and Accuracy:
- High linearity and low noise output ensure accurate temperature representation.
- 3-wire compensation minimizes measurement errors due to lead resistance.
- Stable operation over time with minimal drift.
Limitations:
- Designed for a limited temperature range (–25°C to +25°C); not suitable for high-temperature industrial processes.
- Requires a stable power supply and proper shielding for optimal performance.
- Output limited to ±5 V; systems requiring 0–10 V or 4–20 mA outputs may need additional signal conversion.
8. Standards & Compliance
Compliance and Certifications:
- Designed in accordance with IEC 60751 (Pt100 RTD standard)
- Meets general industrial electronic standards for EMC and safety (EN 61326, EN 61010, typical for MDT modules)
- RoHS compliant (Restriction of Hazardous Substances)
- CE marked for conformity with European directives (if applicable)
Industry Standards:
- Compatible with standard industrial automation and instrumentation interfaces
- Follows standard signal scaling conventions for analog voltage outputs
9. Additional Information
Warranty:
Typically supplied with a 2-year manufacturer’s warranty covering defects in materials and workmanship (verify with supplier).
Support:
- Technical documentation and datasheets available from MDT’s official website or authorized distributors.
- Application support for integration with PLCs, DAQs, and control systems.
- Calibration and configuration assistance available upon request.
Maintenance:
- Periodic verification of calibration recommended for high-precision applications.
- Inspect wiring and terminals regularly for secure connections.
- Clean housing with a dry cloth; avoid solvents or moisture ingress.
Firmware/Hardware Updates:
- As an analog module, the MDTPT3406 typically does not require firmware updates.
- Hardware revisions may be released for improved accuracy or extended compatibility.
Service Life:
- Designed for long-term operation in industrial environments.
- Expected operational lifespan exceeds 10 years under normal conditions.
### Summary
The MDTPT3406 Pt100 Module is a specialized temperature measurement interface designed for precision applications within a narrow temperature range of –25°C to +25°C. Supporting both 2-wire and 3-wire Pt100 sensors, it delivers a linear ±5 V analog output with a sensitivity of 200 mV/°C, enabling direct integration into analog control and monitoring systems. Its robust design, high accuracy, and ease of installation make it ideal for laboratory instrumentation, environmental monitoring, and process control systems requiring fine temperature resolution.
With compliance to industrial standards, flexible wiring options, and reliable performance, the MDTPT3406 represents a dependable solution for precise low-range temperature measurement and signal conditioning in professional and industrial environments.
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