IFM SUH251 handleiding
Handleiding
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SUHxxx Ultrasonic flow meter without display
22 © ifm electronic gmbh 11661449 / 01 07 / 2025
10.2 Output configuration
This chapter describes the options for the output signals at OUT1 and OUT2.
10.2.1 Switching signal for limit value monitoring
A switching signal can be output for process value monitoring. OUTx changes its switching state when the
set switching limits are exceeded or not reached. You can choose between hysteresis and window
function.
Hysteresis function:
SP
t
Hno
HY
Hnc
rP
1
0
1
0
1
Fig.8: Hysteresis function
1: Process value
t: Time
SP: Set point
rP: Reset point
HY: Hysteresis
Hno: Hysteresis function NO (normally open)
Hnc: Hysteresis function NC (normally closed)
When the hysteresis function is set, the set point SP and the reset point rP are set. The rP
value must be lower than the SP value. The difference between SP and rP is at least 0.5 % of
the final value of the measuring range (= hysteresis). If only the set point is changed, the reset
point is changed automatically; the difference remains constant.
Window function:
FE FE
FH
HY
HY
t
Fno
Fnc
FL
1
0
1
0
1
Fig.9: Window function
1: Process value
t: Time
FH: Upper limit value
FL: Lower limit value
HY: Hysteresis
FE: Window area
Fno: Window function NO (normally open)
Fnc: Window function NC (normally closed)
When set to the window function, the window high FH and the window low FL are set. The
difference between FH and FL is at least 0.5% of the final value of the measuring range. FH and
FL have a fixed hysteresis of 0.25% of the final value of the measuring range. This helps keep
the switching status of the output stable if the flow rate varies slightly.
Parameters to be set:
oux= Hno, Hnc, Fno, Fnc; SPx; rPx; FHx; FLx
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Productinformatie
| Merk | IFM |
| Model | SUH251 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 3640 MB |
