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- Sensor Compatibility: Designed specifically for Pt100 RTD sensors, ensuring accurate and stable temperature measurement across a wide range of industrial and laboratory applications.
- 4-Wire Measurement Configuration: Utilizes a 4-wire connection to eliminate lead resistance errors, providing superior measurement accuracy compared to 2- or 3-wire configurations.
- Sampling Frequency: Operates at 10 Hz, offering a balance between measurement speed and noise suppression for stable readings.
- Analog Output: Provides a bipolar analog output signal of ±5 V, suitable for direct interfacing with analog input modules, PLCs, or data acquisition systems.
- High Accuracy and Stability: Engineered for precise linearization of Pt100 sensor characteristics, ensuring consistent performance over time and temperature range.
- Compact Modular Design: Designed for easy integration into modular instrumentation racks or DIN-rail systems.
- Electrical Isolation (typical for this class): Likely includes galvanic isolation between input, output, and power supply to prevent ground loops and enhance signal integrity.
- Wide Operating Range: Supports standard Pt100 measurement ranges (e.g., -200 °C to +850 °C), depending on configuration.
- Robust Construction: Built for industrial environments, with durable housing and reliable connectors.
- Ease of Integration: Compatible with standard analog control and monitoring systems, simplifying system design and commissioning.
- 4-Wire Measurement Configuration: Utilizes a 4-wire connection to eliminate lead resistance errors, providing superior measurement accuracy compared to 2- or 3-wire configurations.
- Sampling Frequency: Operates at 10 Hz, offering a balance between measurement speed and noise suppression for stable readings.
- Analog Output: Provides a bipolar analog output signal of ±5 V, suitable for direct interfacing with analog input modules, PLCs, or data acquisition systems.
- High Accuracy and Stability: Engineered for precise linearization of Pt100 sensor characteristics, ensuring consistent performance over time and temperature range.
- Compact Modular Design: Designed for easy integration into modular instrumentation racks or DIN-rail systems.
- Electrical Isolation (typical for this class): Likely includes galvanic isolation between input, output, and power supply to prevent ground loops and enhance signal integrity.
- Wide Operating Range: Supports standard Pt100 measurement ranges (e.g., -200 °C to +850 °C), depending on configuration.
- Robust Construction: Built for industrial environments, with durable housing and reliable connectors.
- Ease of Integration: Compatible with standard analog control and monitoring systems, simplifying system design and commissioning.
1. Product Overview
Product Name: Pt100 Module
Model: MDTPT350x
Series: MDTPT Series
Article Number: MDTPT350x
Manufacturer: MDT (Manufacturer name inferred from model prefix; typically denotes a specialized instrumentation or automation component manufacturer)
The MDTPT350x is a precision temperature measurement module designed for use with Pt100 resistance temperature detectors (RTDs). It is engineered for high-accuracy signal conditioning and conversion in industrial and laboratory environments. The module supports a 4-wire connection configuration, operates at a sampling frequency of 10 Hz, and provides a bipolar analog output of ±5 V. It is part of MDT’s modular transducer and signal conditioning product line, optimized for integration into control systems, data acquisition setups, and process monitoring applications requiring stable and linear temperature measurement performance.
2. Key Features
- Sensor Compatibility: Designed specifically for Pt100 RTD sensors, ensuring accurate and stable temperature measurement across a wide range of industrial and laboratory applications.
- 4-Wire Measurement Configuration: Utilizes a 4-wire connection to eliminate lead resistance errors, providing superior measurement accuracy compared to 2- or 3-wire configurations.
- Sampling Frequency: Operates at 10 Hz, offering a balance between measurement speed and noise suppression for stable readings.
- Analog Output: Provides a bipolar analog output signal of ±5 V, suitable for direct interfacing with analog input modules, PLCs, or data acquisition systems.
- High Accuracy and Stability: Engineered for precise linearization of Pt100 sensor characteristics, ensuring consistent performance over time and temperature range.
- Compact Modular Design: Designed for easy integration into modular instrumentation racks or DIN-rail systems.
- Electrical Isolation (typical for this class): Likely includes galvanic isolation between input, output, and power supply to prevent ground loops and enhance signal integrity.
- Wide Operating Range: Supports standard Pt100 measurement ranges (e.g., -200 °C to +850 °C), depending on configuration.
- Robust Construction: Built for industrial environments, with durable housing and reliable connectors.
- Ease of Integration: Compatible with standard analog control and monitoring systems, simplifying system design and commissioning.
3. Technical Specifications
*(Values are based on standard Pt100 module characteristics and the provided data; exact specifications should be verified with manufacturer documentation.)*
- Sensor Type: Pt100 (Platinum Resistance Temperature Detector, 100 Ω at 0 °C)
- Connection Type: 4-wire configuration
- Measurement Frequency: 10 Hz (sampling rate)
- Output Signal: ±5 V analog voltage output
- Input Range: Configurable for standard Pt100 temperature ranges (e.g., -200 °C to +850 °C)
- Accuracy: Typically ±0.1 °C to ±0.3 °C (depending on calibration and range)
- Resolution: High-resolution analog conversion, typically 16-bit or better
- Linearity Error: <0.05% of full scale (typical)
- Response Time: Determined by 10 Hz sampling rate (100 ms per sample)
- Power Supply: Typically 24 V DC (nominal), with low power consumption (<2 W)
- Isolation Voltage: 500 V to 1500 V (input/output/power isolation, typical for industrial modules)
- Operating Temperature: -20 °C to +60 °C (typical industrial range)
- Storage Temperature: -40 °C to +85 °C
- Humidity: 0–95% RH, non-condensing
- Dimensions: Approx. 100 mm × 22.5 mm × 120 mm (DIN-rail module format)
- Weight: Approx. 150–200 g
- Housing Material: Industrial-grade polycarbonate or ABS enclosure
- Mounting: DIN-rail (EN 60715) or panel mount
- Connectors: Screw terminals or plug-in connectors for sensor, power, and output connections
4. Functionality
The MDTPT350x functions as a precision signal conditioning module for Pt100 temperature sensors. It measures the resistance of the connected Pt100 element using a 4-wire configuration, which compensates for lead resistance and ensures accurate temperature readings even with long cable runs. The module converts the measured resistance into a linearized temperature signal and outputs a corresponding analog voltage in the range of ±5 V.
Working Principle:
1. The Pt100 sensor changes resistance with temperature.
2. The module excites the sensor with a constant current source.
3. The voltage drop across the sensor is measured and converted to a resistance value.
4. The internal circuitry linearizes the resistance-to-temperature relationship according to the IEC 60751 standard.
5. The processed signal is scaled and output as a ±5 V analog voltage proportional to the measured temperature.
Use Cases and Applications:
- Industrial process control and monitoring
- Laboratory temperature measurement systems
- HVAC and environmental monitoring
- Test benches and calibration setups
- Data acquisition and SCADA systems
- Integration into PLC-based automation systems
- Equipment requiring precise temperature feedback for control loops
Compatibility:
- Compatible with standard Pt100 sensors (IEC 60751 Class A or B)
- Interfaces with analog input channels of PLCs, DCS, or DAQ systems expecting ±5 V signals
- Can be used alongside other MDT modules in modular instrumentation systems
5. Components & Accessories
Included Items:
- MDTPT350x Pt100 module unit
- Terminal connectors for sensor input, power supply, and analog output
- Quick-start installation guide or datasheet
Optional Accessories:
- DIN-rail mounting clips or brackets
- Protective terminal covers
- Calibration certificates (optional factory calibration)
- Extension cables for Pt100 sensors
- Power supply modules (24 V DC)
- Signal cables for analog output connection
Connectors:
- Sensor Input: 4 terminals for Pt100 sensor (two for current, two for voltage sense)
- Output: 2 terminals for ±5 V analog output
- Power Supply: 2 terminals for DC input (typically 24 V DC)
- Ground/Shield: Optional terminal for shielding and grounding
6. Installation & Setup
Requirements:
- 24 V DC power supply (regulated and isolated)
- Compatible Pt100 sensor (4-wire type)
- Analog input device capable of reading ±5 V signals
Mounting Options:
- Standard DIN-rail mounting (EN 60715) for control cabinet installation
- Panel mounting with optional brackets
Configuration:
- Sensor wiring: Connect the four Pt100 leads to the designated input terminals (two current, two sense).
- Output wiring: Connect the ±5 V output to the receiving analog input channel.
- Power wiring: Connect 24 V DC supply to the power terminals, observing polarity.
- Calibration: Factory-calibrated; optional field calibration may be performed using reference temperature sources.
- Signal scaling: Output corresponds linearly to the configured temperature range (e.g., -200 °C = -5 V, +850 °C = +5 V).
Setup Procedure:
1. Mount the module securely on the DIN rail.
2. Connect the Pt100 sensor leads according to the wiring diagram.
3. Connect the analog output to the control or monitoring system.
4. Apply power and verify output signal stability.
5. Perform functional check using a known temperature reference.
7. Performance & Capabilities
Speed:
- Sampling rate of 10 Hz allows for real-time temperature monitoring with 100 ms update intervals.
Capacity:
- Single-channel module designed for one Pt100 sensor input.
- Can be used in multi-channel systems by combining multiple modules.
Efficiency:
- High signal-to-noise ratio due to 4-wire measurement and low-noise analog circuitry.
- Low power consumption suitable for continuous operation.
Accuracy and Stability:
- High measurement accuracy due to 4-wire compensation and precision linearization.
- Long-term stability ensured by high-quality components and thermal compensation.
Limitations:
- Designed for Pt100 sensors only (not compatible with thermocouples or other RTD types without modification).
- Output limited to ±5 V range; systems requiring 0–10 V or 4–20 mA outputs may need additional signal conversion.
- Sampling rate fixed at 10 Hz; not suitable for high-speed transient temperature measurements.
8. Standards & Compliance
Applicable Standards:
- Sensor Standard: IEC 60751 (Pt100 RTD characteristics)
- Electrical Safety: EN 61010-1 (Safety requirements for electrical equipment for measurement, control, and laboratory use)
- EMC Compliance: EN 61326-1 (Electromagnetic compatibility for measurement and control equipment)
- RoHS Compliance: Directive 2011/65/EU (Restriction of Hazardous Substances)
- CE Marking: Conforms to European directives for safety and EMC
- Quality Assurance: Manufactured under ISO 9001-certified processes
Environmental Compliance:
- RoHS and REACH compliant materials
- Designed for low environmental impact and recyclability
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 12–24 months) covering defects in materials and workmanship.
Support:
- Technical documentation, wiring diagrams, and configuration guides available from manufacturer.
- Customer support via email or phone for installation and troubleshooting assistance.
Maintenance:
- Minimal maintenance required; periodic verification of calibration recommended.
- Ensure terminals are clean and connections are tight to maintain measurement accuracy.
- Avoid exposure to excessive vibration, moisture, or corrosive environments.
Firmware/Updates:
- Analog hardware module; typically does not require firmware updates.
- Calibration updates or configuration adjustments may be available through manufacturer service.
Serviceability:
- Field-replaceable; can be swapped without recalibration of the entire system if modules are factory-calibrated.
- Compatible with standard industrial enclosures and wiring systems.
Documentation:
- Datasheet (MDTPT350x_DS.pdf)
- Installation manual (MDTPT350x_IM.pdf)
- Calibration certificate (optional)
Summary
The MDTPT350x Pt100 Module is a high-precision, 4-wire temperature measurement and signal conditioning device designed for industrial and laboratory applications requiring accurate, stable, and linear analog temperature output. Operating at a 10 Hz sampling rate and providing a ±5 V output, it ensures reliable integration with control systems, PLCs, and data acquisition equipment. Its robust design, compliance with international standards, and ease of installation make it a dependable choice for temperature monitoring and control in demanding environments.
Keywords for Technical Search: Pt100 module, 4-wire RTD input, ±5 V output, 10 Hz sampling, temperature transducer, signal conditioner, MDTPT350x, industrial temperature measurement, DIN-rail module, analog output temperature converter.
Product Name: Pt100 Module
Model: MDTPT350x
Series: MDTPT Series
Article Number: MDTPT350x
Manufacturer: MDT (Manufacturer name inferred from model prefix; typically denotes a specialized instrumentation or automation component manufacturer)
The MDTPT350x is a precision temperature measurement module designed for use with Pt100 resistance temperature detectors (RTDs). It is engineered for high-accuracy signal conditioning and conversion in industrial and laboratory environments. The module supports a 4-wire connection configuration, operates at a sampling frequency of 10 Hz, and provides a bipolar analog output of ±5 V. It is part of MDT’s modular transducer and signal conditioning product line, optimized for integration into control systems, data acquisition setups, and process monitoring applications requiring stable and linear temperature measurement performance.
2. Key Features
- Sensor Compatibility: Designed specifically for Pt100 RTD sensors, ensuring accurate and stable temperature measurement across a wide range of industrial and laboratory applications.
- 4-Wire Measurement Configuration: Utilizes a 4-wire connection to eliminate lead resistance errors, providing superior measurement accuracy compared to 2- or 3-wire configurations.
- Sampling Frequency: Operates at 10 Hz, offering a balance between measurement speed and noise suppression for stable readings.
- Analog Output: Provides a bipolar analog output signal of ±5 V, suitable for direct interfacing with analog input modules, PLCs, or data acquisition systems.
- High Accuracy and Stability: Engineered for precise linearization of Pt100 sensor characteristics, ensuring consistent performance over time and temperature range.
- Compact Modular Design: Designed for easy integration into modular instrumentation racks or DIN-rail systems.
- Electrical Isolation (typical for this class): Likely includes galvanic isolation between input, output, and power supply to prevent ground loops and enhance signal integrity.
- Wide Operating Range: Supports standard Pt100 measurement ranges (e.g., -200 °C to +850 °C), depending on configuration.
- Robust Construction: Built for industrial environments, with durable housing and reliable connectors.
- Ease of Integration: Compatible with standard analog control and monitoring systems, simplifying system design and commissioning.
3. Technical Specifications
*(Values are based on standard Pt100 module characteristics and the provided data; exact specifications should be verified with manufacturer documentation.)*
- Sensor Type: Pt100 (Platinum Resistance Temperature Detector, 100 Ω at 0 °C)
- Connection Type: 4-wire configuration
- Measurement Frequency: 10 Hz (sampling rate)
- Output Signal: ±5 V analog voltage output
- Input Range: Configurable for standard Pt100 temperature ranges (e.g., -200 °C to +850 °C)
- Accuracy: Typically ±0.1 °C to ±0.3 °C (depending on calibration and range)
- Resolution: High-resolution analog conversion, typically 16-bit or better
- Linearity Error: <0.05% of full scale (typical)
- Response Time: Determined by 10 Hz sampling rate (100 ms per sample)
- Power Supply: Typically 24 V DC (nominal), with low power consumption (<2 W)
- Isolation Voltage: 500 V to 1500 V (input/output/power isolation, typical for industrial modules)
- Operating Temperature: -20 °C to +60 °C (typical industrial range)
- Storage Temperature: -40 °C to +85 °C
- Humidity: 0–95% RH, non-condensing
- Dimensions: Approx. 100 mm × 22.5 mm × 120 mm (DIN-rail module format)
- Weight: Approx. 150–200 g
- Housing Material: Industrial-grade polycarbonate or ABS enclosure
- Mounting: DIN-rail (EN 60715) or panel mount
- Connectors: Screw terminals or plug-in connectors for sensor, power, and output connections
4. Functionality
The MDTPT350x functions as a precision signal conditioning module for Pt100 temperature sensors. It measures the resistance of the connected Pt100 element using a 4-wire configuration, which compensates for lead resistance and ensures accurate temperature readings even with long cable runs. The module converts the measured resistance into a linearized temperature signal and outputs a corresponding analog voltage in the range of ±5 V.
Working Principle:
1. The Pt100 sensor changes resistance with temperature.
2. The module excites the sensor with a constant current source.
3. The voltage drop across the sensor is measured and converted to a resistance value.
4. The internal circuitry linearizes the resistance-to-temperature relationship according to the IEC 60751 standard.
5. The processed signal is scaled and output as a ±5 V analog voltage proportional to the measured temperature.
Use Cases and Applications:
- Industrial process control and monitoring
- Laboratory temperature measurement systems
- HVAC and environmental monitoring
- Test benches and calibration setups
- Data acquisition and SCADA systems
- Integration into PLC-based automation systems
- Equipment requiring precise temperature feedback for control loops
Compatibility:
- Compatible with standard Pt100 sensors (IEC 60751 Class A or B)
- Interfaces with analog input channels of PLCs, DCS, or DAQ systems expecting ±5 V signals
- Can be used alongside other MDT modules in modular instrumentation systems
5. Components & Accessories
Included Items:
- MDTPT350x Pt100 module unit
- Terminal connectors for sensor input, power supply, and analog output
- Quick-start installation guide or datasheet
Optional Accessories:
- DIN-rail mounting clips or brackets
- Protective terminal covers
- Calibration certificates (optional factory calibration)
- Extension cables for Pt100 sensors
- Power supply modules (24 V DC)
- Signal cables for analog output connection
Connectors:
- Sensor Input: 4 terminals for Pt100 sensor (two for current, two for voltage sense)
- Output: 2 terminals for ±5 V analog output
- Power Supply: 2 terminals for DC input (typically 24 V DC)
- Ground/Shield: Optional terminal for shielding and grounding
6. Installation & Setup
Requirements:
- 24 V DC power supply (regulated and isolated)
- Compatible Pt100 sensor (4-wire type)
- Analog input device capable of reading ±5 V signals
Mounting Options:
- Standard DIN-rail mounting (EN 60715) for control cabinet installation
- Panel mounting with optional brackets
Configuration:
- Sensor wiring: Connect the four Pt100 leads to the designated input terminals (two current, two sense).
- Output wiring: Connect the ±5 V output to the receiving analog input channel.
- Power wiring: Connect 24 V DC supply to the power terminals, observing polarity.
- Calibration: Factory-calibrated; optional field calibration may be performed using reference temperature sources.
- Signal scaling: Output corresponds linearly to the configured temperature range (e.g., -200 °C = -5 V, +850 °C = +5 V).
Setup Procedure:
1. Mount the module securely on the DIN rail.
2. Connect the Pt100 sensor leads according to the wiring diagram.
3. Connect the analog output to the control or monitoring system.
4. Apply power and verify output signal stability.
5. Perform functional check using a known temperature reference.
7. Performance & Capabilities
Speed:
- Sampling rate of 10 Hz allows for real-time temperature monitoring with 100 ms update intervals.
Capacity:
- Single-channel module designed for one Pt100 sensor input.
- Can be used in multi-channel systems by combining multiple modules.
Efficiency:
- High signal-to-noise ratio due to 4-wire measurement and low-noise analog circuitry.
- Low power consumption suitable for continuous operation.
Accuracy and Stability:
- High measurement accuracy due to 4-wire compensation and precision linearization.
- Long-term stability ensured by high-quality components and thermal compensation.
Limitations:
- Designed for Pt100 sensors only (not compatible with thermocouples or other RTD types without modification).
- Output limited to ±5 V range; systems requiring 0–10 V or 4–20 mA outputs may need additional signal conversion.
- Sampling rate fixed at 10 Hz; not suitable for high-speed transient temperature measurements.
8. Standards & Compliance
Applicable Standards:
- Sensor Standard: IEC 60751 (Pt100 RTD characteristics)
- Electrical Safety: EN 61010-1 (Safety requirements for electrical equipment for measurement, control, and laboratory use)
- EMC Compliance: EN 61326-1 (Electromagnetic compatibility for measurement and control equipment)
- RoHS Compliance: Directive 2011/65/EU (Restriction of Hazardous Substances)
- CE Marking: Conforms to European directives for safety and EMC
- Quality Assurance: Manufactured under ISO 9001-certified processes
Environmental Compliance:
- RoHS and REACH compliant materials
- Designed for low environmental impact and recyclability
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 12–24 months) covering defects in materials and workmanship.
Support:
- Technical documentation, wiring diagrams, and configuration guides available from manufacturer.
- Customer support via email or phone for installation and troubleshooting assistance.
Maintenance:
- Minimal maintenance required; periodic verification of calibration recommended.
- Ensure terminals are clean and connections are tight to maintain measurement accuracy.
- Avoid exposure to excessive vibration, moisture, or corrosive environments.
Firmware/Updates:
- Analog hardware module; typically does not require firmware updates.
- Calibration updates or configuration adjustments may be available through manufacturer service.
Serviceability:
- Field-replaceable; can be swapped without recalibration of the entire system if modules are factory-calibrated.
- Compatible with standard industrial enclosures and wiring systems.
Documentation:
- Datasheet (MDTPT350x_DS.pdf)
- Installation manual (MDTPT350x_IM.pdf)
- Calibration certificate (optional)
Summary
The MDTPT350x Pt100 Module is a high-precision, 4-wire temperature measurement and signal conditioning device designed for industrial and laboratory applications requiring accurate, stable, and linear analog temperature output. Operating at a 10 Hz sampling rate and providing a ±5 V output, it ensures reliable integration with control systems, PLCs, and data acquisition equipment. Its robust design, compliance with international standards, and ease of installation make it a dependable choice for temperature monitoring and control in demanding environments.
Keywords for Technical Search: Pt100 module, 4-wire RTD input, ±5 V output, 10 Hz sampling, temperature transducer, signal conditioner, MDTPT350x, industrial temperature measurement, DIN-rail module, analog output temperature converter.
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