ICP DAS USA 7188XA Series User Manual page 51

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ГК Атлант Инжиниринг – официальный представитель в РФ и СНГ
1.5.7 Using D/I/O of the 7522A (D)
Inductive load or
Conductive load
Current Limit Resistor
Load current <= 125mA
D/I Block Diagram
T O _ C P U
D/O Block Diagram
U1
1
B0
2
B1
3
B2
4
B3
5
B4
1.5.8
6
B5
7
B6
8
E
ULN2003A
SOIC 16
7188XA/B/C & 7521/2/2A/3/4/7 Series Hardware User' s Manual, Ver. 3.0 Sep/2002, 7Mh-001-20 -----
+7(495)109-02-08 sales@bbrc.ru www.bbrc.ru
Dry contact or TTL/CMOS
or (3.5V to 30V D/I)
U A
2
3
1
7 4 H C T 0 8
COM
C0
C1
C2
C3
C4
C5
C6
15 TXD3+
16
17
18
19
20
21
22
23
Ext. GND
24 PWR
Ext. 24V
25 DO0
26 DO1
27 DO2
28 DO3
+ 5 V
R 1
1 0 K
7 5 2 2 A
9
16
15
14
13
12
11
10
51
7522A
GND
+VS
D2-
TXD3 -
D2+
RXD3+
INIT*t
RXD3 -
RXD1
DI0
TXD1
DI1
GND
DI2
RTS1
DI3
CTS1
GND
D1 -
DI+
DI
DO
X507
R 2
1 0 K
D / I
1 9 ~ 2 2
24
PWR
25
DO0
26
DO1
27
DO2
28
DO3
14
13
12
11
10
9
8
7
6
5
4
3
2
1

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