Ultrasonic flow meter SU2020 SU8020 SU2021 SU8021 SU2621 SU8621
7
4 Function
• The unit detects the volumetric flow based on the measuring principle of ultrasonic transit time
difference.
• As additional process value the unit detects the medium temperature.
• The unit displays the current process values.
• The unit can be operated in SIO mode (standard input-output ) or in IO-Link mode.
• The unit has many self-diagnostic options.
– Monitoring of the flow direction
– Monitoring of the signal quality
– Indication of warnings and error messages
• The unit indicates all self-diagnostic options through the colour signal of an operating status LED.
In addition, the diagnostic information is provided via the outputs and the IO-Link interface.
• A simulation mode allows simplified set-up of the sensor.
4.1 Options for output OUT1
• Switching signal flow
• Switching signal temperature
• Switching signal diagnosis
– Direction of flow
– Signal quality
• Switching signal totaliser
• Pulse signal totaliser
• Frequency signal flow
• Frequency signal temperature
• IO-Link
• OFF (output switched to high impedance)
4.2 Options for output OUT2
• Switching signal flow
• Switching signal temperature
• Switching signal diagnosis
– Direction of flow
– Signal quality
• Switching signal totaliser
• Pulse signal totaliser
• Analogue signal flow
• Analogue signal temperature
• Input for external totaliser reset
• OFF (output switched to high impedance)
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