IFM SUH120 handleiding
Handleiding
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SUH1xx SUH22x SUH3xx SUH42x SUH5xx SUH6xx SUH7xx SUH8xx Ultrasonic flow meter
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Ò Flow direction (Ò/27)
Switching signal with setting [Fdir] = [+]:
• The output switches ON when a flow greater than +LFC is measured (1).
• The output switches OFF as soon as a flow standstill (Q = 0) or a negative flow is measured (2).
• The output switches ON again as soon as the flow is greater than +LFC (3) again.
Switching signal with setting [Fdir] = [-]:
• The output switches ON when a flow less than -LFC is measured (1).
• The output switches OFF as soon as a flow greater than 0 is measured (2).
• The output switches ON again as soon as the flow is less than -LFC (3) again.
[LFC] = Low flow cut-off Ò Low flow cut-off (Ò/27).
+ LFC
+ Q
t
0
- Q
- LFC
[Fdir] = [-]
[Fdir] = [+]
1
0
21 3
Fig.10: Monitoring of the flow direction by switching signals
+Q Volumetric flow in positive flow direction
-Q Volumetric flow in negative flow direction
+LFC Minimum volumetric flow (low flow cut-off) in positive flow direction
-LFC Minimum volumetric flow (low flow cut-off) in negative flow direction
Parameters to be set:
[oux] = [dOU]; [dFUx] = [direction of flow]
9.2.2.2 Switching signal for signal quality
The unit can provide a switching signal when the signal quality deviates from normal operation.
The signal quality of the sensor can be affected by irregularities in the medium (e.g. strong
turbulences, air bubbles, particles or build-up).
The unit detects the signal quality in three stages:
Signal quality Explanation Switching output
Normal The device operates without restrictions (normal operation). On
Low The signal quality is disturbed, but the device is still working within its
specifications.
OFF
No signal No medium is present or no signal can be created. OFF
Parameters to be set:
[oux] = [dOU]; [dFUx] = [signal quality]
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Productinformatie
Merk | IFM |
Model | SUH120 |
Categorie | Niet gecategoriseerd |
Taal | Nederlands |
Grootte | 3147 MB |