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3.2.2 Analog Input, Differential - X11
Location Connector X11, pins 4 (+) & 5 (-)
Name AIN3
Mint keyword ADC.3
Description Differential input.
Common mode voltage range: ±10VDC.
Resolution: auto-selecting as follows:
12-bit with sign (<1V DC input)
9-bit with sign (>1V DC input)
Common mode rejection: 40dB
Input impedance: >5kΩ
Sampling interval: 5ms
Optional 4-20mA current mode (contact Baldor).
A typical input circuit is shown below:
AIN3
1kΩ, 0.25W
potentiometer
(ADC.3)
5
4
X11
Input-
Input+
1.5kΩ, 0.25W
0V
+24VDC
Figure 11 - AIN3 analog input
4
5