Motorola MOSCAD-M RTU Hardware Manual page 120

Analog Output
V_Normal
Q16
CLK_AO
R208
300.
Bat_GND
V_Normal
Q29
DIN_AO
R209
300.
Bat_GND
CS_AO
DVao
DS4
TLP112
6
1
5
3
4
DS5
TLP112
6
1
5
3
4
V_Normal
Q17
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
DVao
C82
100.n
R90
3.K
DGND1
Q3
DIN
Vref1
R68 C105
10.K 51.p
DGND1
DVao
C51
100n
R92
3.K
Q5
U20
DGND1
LDAC
2
C107
R70
51.p
10.K
TC7S14F
DGND1
R142
0 DVao
C35 R141
1u 0
DGND1
8
VDD
4
DIN OUT
7
REF
6
N.C.
LDAC SCLK
GND
R140
1
0
R135 R136
0 0
DVao
Rf_GND DGND1 AN_GND
5
VCC
4
1
NC
GND
3
Two option of loading data to conversion
DGND1
Out
U24
MAX550AEUA
0-to-2.5V (8bits)
2
Out
3
CS
5
SCLK
R137 R138 R139
0 0 0
EGND AGND1
C84
C36
1u 100.n
AGND1 AGND1
AVa