60
L-502
X1 (X2 -X16)
AGND
L-502
Y1 (Y2 -Y16)
AGND
6.1.1.3. Voltage divisor.
Mode "with common ground"
6.1.1.4. Voltage divisor.
"Differential" mode
R1
R2
L-502
AGND
GND32
X1 (X2-X16, Y1-Y16)
X1 (X2 -X16)
Y1 (Y2 -Y16)
R1
R2
L-502
AGND
The voltage transfer ratio is R2/(R1+R2).
It is necessary that R1 or R2 should not be more than 50 ohms if the switching frequency is
maximal.
R2 should be located close to the L-502 entry point.
6.1.1.5. Integrating circuit.
Mode "with common ground"
6.1.1.6. Integrating circuit.
"Differential" mode
R1
R2
L-502
AGND
GND32
X1 (X2-X16, Y1-Y16)
С
R1
R2
L-502
AGND
С
X1 (X2 -X16)
Y1 (Y2 -Y16)
The transmission coefficient of the voltage in the frequency band is R2/(R1+R2).
If multichannel mode, it is necessary that 1/F
ADC
>> R1*R2*(C+10
-10
)/(R1+R2), or if R2 is not
present, then 1/F
ADC
>> R1*(C+10
-10
)/R1, where F
ADC
is the ADC conversion frequency.
It is necessary that R2 should not be more than 50 ohms if the switching frequency is maximal.
R2, C should be located close to the L-502 entry point.
6.1.1.7. Closed entry. Mode "with common
earth"
6.1.1.8. Closed entry. Mode
"differential"
С
R2
L-502
AGND
GND32
X1 (X2-X16, Y1-Y16)
С
R2
L-502
AGND
X1 (X2 -X16)
Y1 (Y2 -Y16)