Description:
The 81ET03 module serves as a substitute for various input modules with sensors. It contains 4 function units, which may optionally be configured for measuring circuits that include thermocouples and/or resistance thermometers designed for 4-wire connections. Each measuring circuit is monitored separately.
Features:
- The module can be plugged into any PROCONTROL station with an external power supply unit and is equipped with a standard interface for the PROCONTROL station bus.
- It sends the converted input signals (in the form of telegrams) to the PROCONTROL bus system via the station bus.
- The telegrams undergo checks before they are sent and are marked with test flags.
- The individual measuring circuits are activated via a relay multiplexer and are therefore individually potential-free.
- Input signals are transmitted to the processing section as potential-isolated signals.
- Up to four limit signals can be generated for every measured value.
Specifications:
- The adaptation to the temperature sensor, the relevant measuring range, and the type of compensation is done separately for each measuring circuit with the programming, diagnosis, and display system (PDDS).
- The module is used for connecting various types of sensors, including thermocouples of various types and resistance thermometers of various types.
- For resistance thermometer input, the module is provided with an automatic calibration function.
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