Burkert FLOWave S 8098, Руководство по эксплуатации

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115
SAW sensor - Parameter
Type 8098
Special event in the process Meaning Special condition
Low flow cut off
The cut-off value of the flow rate has
been used.
The cut-off function must be
enabled: see chpt. 13.4.9
Enabling the cut-off function .
Change of liquid A different liquid flows in the pipe. The speed of sound in the liquid
has changed by more than 3 m/s
in 1 second.
Backward flow The liquid flows in the opposite
direction as the one set in chpt. 15.4
Setting the direction of the flow .
-
Table 11: Diagnostics: special events in the process
Special event occurring on the sensor:
Special event on the sensor Meaning Special condition
Sound cond. out of range There are gas bubbles or solid
particles in the liquid.
-
Table 12: Diagnostics: special events on the sensor
Special event on the electronics:*)
Special event on the
electronics
Meaning Special condition
Output 1, open loop There is a connection problem on the
related output.
The related analogue output must
not be disabled. See chpt. 16.4
Disabling an analogue output
Output 2, open loop
Output 1, Diag. error There is a connection problem on the
related output or a high resistance is
detected in the loop.
The related analogue output must
not be disabled. See chpt. 16.4
Disabling an analogue output
Output 2, Diag. error
Output 1 overload An overload has been detected on the
related digital output.
The output has switched.
-
Output 2 overload
Table 13: Diagnostics: special events on the electronics
*
)
Only variant with outputs.
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