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Chapter 6
PCI-1712/1712L User’s Manual
Advantech Co., Ltd.
www.advantech.com
A/D channel Manual-Calibration
Step 1: Click the Manual A/D Calibration tab to show the A/D
channel manual calibration panel. Before calibrating, acquire
the reference voltage from a precision standard voltage
reference. Go to the Range form, select a channel and the
target voltage range according to the input voltage value from
a precision standard voltage reference(Fig. 6-13).
Note:
✎ The input voltage value you selected from a precision standard
voltage reference needs to correspond with the one that the
PCI-1712/1712L can read.
✎ The input voltage will be analog code so the computer will
convert the voltage data into digitial code; therefore, the input
voltage value you selected from a precision standard voltage
reference needs to correspond with the one that the PCI-1712/
1712L can read. For example, if the input range is 0 ~ 5V, then input
voltage should be 2.9992V not 3V.
Figure 6-13: Selecting Input Rage in Manual A/D Calibration panel