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Motorola MOSCAD-M RTU Hardware Manual page 109

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Analog Output
V_Normal
DVao
Q16
CLK_AO
R208
DS4
300.
TLP112
6
1
5
3
4
Bat_GND
V_Normal
Q29
DIN_AO
R209
DS5
300.
TLP112
6
1
5
3
4
Bat_GND
V_Normal
Q17
CS_AO
R210
300.
D1
IL205AT
1
8
ANODE
NC2
2
7
CATODE
BASE
3
6
NC
COLL
4
5
NC1
EMI
Bat_GND
R91
3.K
Q4
SCLK
SCLK
R69
C106
10.K
51.p
DGND1
R142
0
DVao
DVao
C82
C35
R141
100.n
1u
0
R90
3.K
DGND1
DGND1
Q3
8
VDD
DIN
4
DIN
7
Vref1
REF
N.C.
6
LDAC
R68
C105
GND
R140
10.K
51.p
1
0
DGND1
R135
R136
0
0
DVao
DVao
C51
100n
Rf_GND
DGND1
R92
3.K
Q5
5
VCC
U20
DGND1
LDAC
2
4
1
NC
GND
C107
R70
3
51.p
10.K
Two option of loading data to conversion
TC7S14F
DGND1
DGND1
C96
C25
100n
1u
AGND1
AGND1
2
3
Out
R15
15K
R16
C95
100n
AGND1
AGND1
U24
MAX550AEUA
0-to-2.5V (8bits)
2
N.C.
OUT
Out
Out
3
CS
5
R134
SCLK
SCLK
0
DGND1
R137
R138
R139
0
0
0
Vref1
EGND
AGND1
AN_GND
AVao
C84
C36
Reference 2.5V
1u
100.n
DVao
U3
REF192GS
AGND1
AGND1
8
NC1
1
7
TP
NC2
2
6
VPOS
VOUT
3
5
SHUT.
TP1
GND
4
Rf_GND
IPower
IPower
VR12
1.8
R13
R50
C23
15K
100.K
1u
R215
C37
14.7K
100n
R17
AGND1
AGND1
6
8
R14
15K
7
15K
5
C38
4
U5
100n
MC33272
R18
8
15K
Q34
1
4
U5
MC33272
AVss
15K
R12
14K
C24
1u
AN_GND
AVss
AVao
C93
C21
100n
1u
AGND1
AGND1
C39
100n
2
8
1
3
R113
4
10
U4
MC33272
C94
C22
100n
1u
AGND1
AGND1
AVss
R45
R216
1M
14.7K
C41
1n
R217
14.K
AVao
AN_GND
U4
MC33272
6
8
7
Vref1
5
4
C83
R87
100.n
10.K
AVss
Rf_GND
MOSCAD-M Expansion
FCN6110A
R219
124.
D8
Q35
R36
33
P1-3
3
2
E1
C88
VR1
SPARK_GAP
RV2
220.n
30
SMT type
1
AN_GND
AN_GND
AN_GND
AN_GND
3
P1-1
1
L1
220n
2
E2
SPARK_GAP
RV1
C40
VR2
1
220n
10
P1-2
2
AN_GND
P1-5
5
R9
10
R24
R27
10K
4.7K
Q11
RV3
Q36
2
R25
E3
10K
SPARK_GAP
R26
1
VR3
4.7K
27
RV4
P1-4
4
External Ground
IPower
AVao
ExternalP.S.
D25
D26
EGND
Schottky
Schottky
73D02963C06-O
SHEET 4 OF 8

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