Why Endress+Hauser Flowphant T DTT31 displays error E022?
Error E022 on the Endress+Hauser Switch means that power is only being supplied to the device through the communication interface, deactivating measurement. Check the operating voltage to ensure it is correctly supplied.
General| Device Type | Flow Switch |
|---|---|
| Process Temperature | -40°C to +150°C |
| Process Pressure | Max. 40 bar |
| Output Signal | PNP/NPN |
| Connection | M12 connector, terminal box |
| Supply Voltage | 10 to 30 V DC |
| Process Connection | G 1/2, G 1, 1/2" NPT, 1" NPT |
| Response Time | < 1 second |
| Protection Rating | IP67 |
| Operating Temperature | -40 to +60 °C |
Explains the document's scope and defines safety, electrical, and information symbols used throughout.
Covers requirements for personnel, intended use, and general workplace safety guidelines.
Addresses functional safety standards and restrictions on use in hazardous areas.
Details product safety, IT security measures, and the procedure for device incoming acceptance.
Explains methods for identifying the device, focusing on nameplate information and online tools.
Covers essential mounting criteria, general installation guidance, precautions, and orientation.
Provides specific instructions for hygienic-compliant installation using various process connection types.
Specifies minimum inlet/outlet runs for accurate measurements and avoiding flow disturbances.
Details connection requirements, including DC voltage versions, M12x1 and valve connectors, and wiring diagrams.
Introduces device operation, menu structure, navigation, and key elements like display and LEDs.
Guides through calibration procedures, including setting learn functions for flow rates (HIF/LOWF) and switch points (SPL).
Presents the operating menu structures for devices with 2 switch outputs and 1 analog/1 switch output.
Details basic device settings and calibration procedures for various output configurations.
Covers specific settings for 2 switch outputs, including switch points, hysteresis, and contact types.
Defines settings for analog output (4-20mA) and switch outputs, including failure current and modes.
Explains how to configure service functions like locking, reset, and simulation modes.
Guides on using PC software (FieldCare) for device configuration, parameter management, and visualization.
Provides methods for diagnosing issues, interpreting status LEDs, and understanding error/warning codes with remedies.
Details device release numbers and a log of software versions, modifications, and documentation updates.
Covers cleaning, device return process for repairs, and guidelines for safe product disposal.
Lists accessories like welding bosses, fittings, and communication cables/couplings.
Describes kits and software for PC-based configuration, including FieldCare.
Defines input variables, output signals, switching capacity, and power supply requirements.
Lists environmental operating parameters, electrical safety standards, and resistance to shock/vibration.
Defines process-related technical data including temperature, pressure, flow limits, and operational ranges.
Provides mechanical design details, dimensions, and process connection specifics for DTT31 and DTT35.
Details device weight, materials used, and lists certifications and approvals like CE mark.
References additional standards, guidelines, hygiene compliance, and materials in contact with food.
Lists related technical information and operating instructions for the device.
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