Motorola MOSCAD-M RTU Hardware Manual page 117

MOSCAD-M Expansion Board
FCN6110A
U6
MC33272
7
AI
R67
10K
(2V)
R117
0
VRF
C80
C34
100n
1u
AGND AGND
127
R121 R122 R123 R124 R125 R126
0 0 0 0 0 0
ANZ_GND AN2_GND AN4_GND
ND AN1_GND AN3_GND
AVai
C48
C31
100n
1u
AGND AGND
8 6
5
4
C32 C49
1u 100n
AI=IN*0.8193
AGND AGND
AVee
C78
C33
100.n 1u
AGND AGND
Not placed in the case of using internal reference
AVai
U6
MC33272
8 2
1
IN
3
4
R218
7.5K
R214 C113
34K 1.n
AVee
AGND AGND
AN_VREF
AN_ZERO
AVai
Reference 2.5V
U2
REF192GS
8
DVai NC1
1 7
TP NC2
2 6
VPOS VOUT
3 5
SHUT. TP1
GND
4
Ref_GND
Analog Inputs
2.1
AI_Input_Stage
Selected_input
AN_1 AN_1
AN_2 AN_2
AN_3 AN_3
AN_4 AN_4
AN_VREF
AN_ZERO
VRF
C79 R81
100.n 10.K
Ref_GND
P2-9
IN_1
9
P2-8
Com1
8
P2-7
IN_2
7
P2-6
Com2
6
P2-5
IN_3
5
P2-4
Com3
4
P2-3
IN_4
3
P2-2
Com4
2
P2-1
1
P2-10
10
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