IFM LT3922 handleiding

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Handleiding

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LT39xx Electronic sensor for level and temperature
12
MAW MEW
20,5
20
4
3,8
T [°C]
I [mA]
Fig.7: Maximum measuring range at [ou2] = [I]
I [mA]
T [°C]MEWMAW AEP2ASP2
20.5
20
4
3.8
Fig.8: Scaled measuring range at [ou2] = [I]
MAW: Initial value of the measuring range ASP2: Analogue start point
MEW: Final value of the measuring range AEP2: Analogue end point
Within the measuring range (-20...90°C) the output signal is between 4...20mA at [ou2] = [I] or
20...4mA at [ou2] = [InEG] (without figure).
If the temperature value (T) is outside the measuring range, the output signal reacts as below:
[ou2] = [I] [ou2] = [InEG]
T < MAW (ASP2) 3.8...4 mA 20.5...20 mA
T > MEW (AEP2) 20...20.5 mA 4...3.8 mA
Output function voltage output:
MAW MEW
10.3
10
T [°C]
U [V]
Fig.9: Maximum measuring range at [ou2] = [U]
U [V]
T [°C]MEWMAW AEP2ASP2
10.3
10
Fig.10: Scaled measuring range at [ou2] = [U]
MAW: Initial value of the measuring range ASP2: Analogue start point
MEW: Final value of the measuring range AEP2: Analogue end point
Within the measuring range (-20...90°C) the output signal is between 0...10V at [ou2] = [U] or 10...0V
at [ou2] = [UnEG] (without figure).
If the temperature value (T) is outside the measuring range, the output signal reacts as below:
[ou2] = [U] [ou2] = [UnEG]
T < MAW (ASP2) 0 V 10.3...10 V
T > MEW (AEP2) 10...10.3 V 0 V
4.8 Switching function
The unit signals via the switching output (OUT1) that a set limit value has been reached or that the
level is below the limit value. The output can be configured.
Parameter [SEL1] assigns the process value level / temperature to the output OUT1.
Selectable switching functions:
Hysteresis function / normally open: [ou1] = [Hno].
Hysteresis function / normally closed: [ou1] = [Hnc].

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Productinformatie

MerkIFM
ModelLT3922
CategorieNiet gecategoriseerd
TaalNederlands
Grootte2799 MB