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4-2 Input / Output MN1901
4.2.1 Analog input - X3 (demand)
Location Connector X3, pins 1-3
(Mating connector:
Phoenix MINI-COMBICON MC 1.5/20-ST-3,5)
Name AIN0
Mint keyword ADC.0
Description Single ended or dif ferential input.
Common mode voltage range: ±10VDC.
Resolution: 14-bit with sign (accuracy ±1.2mV)
Common mode rejection: 40dB
Input impedance: >5kΩ
Sampling interval: 500μs - Software (Mint programs)
125μs - High speed demand
reference signal
Analog input X3 can be connected as either a differential or a single ended input as shown in
Figure 25.
10k
LF412
AGND
Mint
ADC.0
MintDrive
II
10k
10k
10k
-15V+15V
-15V+15V
20k
-
+
20k
Low pass filter &
level correction
(inverts signal )
AIN0+
AIN0- 2
1
‘X3’
Figure 24 - AIN0 analog input circuit
1
2
3
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