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Dual PT100 RTD to CAN Bus Converter With Programmable CAN Bus Message Interval

Posted by Industry News on

Dual PT100 RTD to CAN-Bus Converter

RTD (Resistance Temperature Detectors) is a temperature sensor that contains a resistor that changes resistance value as its temperature changes. They have been used for many years to measure temperature in a laboratory and industrial process, and have developed a reputation for accuracy, repeatability, and stability.

Most RTD elements consist of a length of fine coiled wire wrapped around a ceramic or glass core. The element is usually quite fragile, so it is often placed inside a sheathed probe to protect it. The temperature sensor is made from a pure material whose resistance at various temperatures has been documented. The material has a predictable change in resistance as the temperature changes; it is this predictable change that is used to determine temperature.

SK Pang Electronics (UK) has introduced their Dual PT100 RTD to CAN Bus Converter. This is a two channel PT100 RTD to CAN-Bus converter based on the MAX31865 RTD-to-Digital integrated circuit.

Features

  • Two PT100 channels
  • Compatible with 2-, 3-, and 4-Wire Sensor Connections
  • High Accuracy Facilitates Meeting Error Budgets
    • 15-Bit ADC Resolution; Nominal Temperature
    • Resolution 0.03125NC (Varies Due to RTD Nonlinearity)
  • Total Accuracy Over All Operating Conditions:
    • 0.5NC (0.05% of Full Scale) max
  • Programmable CAN Bus message interval
  • 6 to 20v supply voltage range
  • UART serial output
  • Firmware upgradable via UART, CAN Bus or ISP

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Arduino-Due-Based Dual CAN Bus Interface With RTC And Micro SD

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