Why does the Endress+Hauser NRF81 display show 'Communication error'?
The 'Communication error' message on your Endress+Hauser Measuring Instruments display could be due to electromagnetic interference. Check the grounding of the device. Alternatively, the display cable or plug might be broken, in which case you should exchange the display.
What to do if values on the Endress+Hauser Measuring Instruments display are invisible?
If the values on the Endress+Hauser Measuring Instruments display are invisible, consider the following: 1. Ensure the display cable plug is correctly connected. 2. The display could be defective, requiring a replacement. 3. The display contrast might be too low. Set the contrast display to a value of approximately 60% via Setup ? Advanced setup ? Display ? Contrast display.
General| Accuracy | ±2 mm |
|---|---|
| Housing Material | Aluminum, Stainless Steel |
| Device Type | Radar Level Sensor |
| Application | Level measurement of liquids and solids |
| Process Temperature | -40 to +80 °C (-40 to +176 °F) |
| Process Pressure | -1 to +3 bar (-14.5 to +43.5 psi) |
| Approval | ATEX, IECEx, FM, CSA |
| Communication | HART, PROFIBUS PA, Foundation Fieldbus, 4-20 mA |
| Protection Class | IP66/IP68, NEMA 4X/6P |
Outlines requirements for personnel and the designated application of the device for safe operation.
Covers safety measures for the workplace and operational procedures for safe device use.
Details the conditions and methods for installing the device via wall or pipe mounting.
Lists essential checks to perform after the device has been installed to ensure correct setup.
Details terminal assignments for power supply, HART, Modbus, V1, Analog I/O, and Digital I/O modules.
Outlines requirements for cables, including wire cross-sections and communication line specifications.
Details navigation, editors, keypad lock, access codes, and write protection via the local display.
Guides through configuring inputs, data processing methods, and signal outputs for tank gauging.
Covers general error solutions, local display diagnostic messages, and how to call up remedial measures.
Explains FieldCare diagnostics, status signals, and provides an overview of diagnostic messages.
Guides on configuring Modbus, V1, and HART communication interfaces for data transmission.
Explains how to view diagnostics, device information, and use simulation features.
To Next Page
