ICP DAS USA 7188XA Series User Manual page 50

ГК Атлант Инжиниринг – официальный представитель в РФ и СНГ
1.5.6 Using D/I/O of the 7188XC & 7521 Series
7188XC/7188XCD
1
Data+
2 TXD
RXD
3
4 N/C
5
GND
N/C
6
7 CTS
RTS
8
9 Data-
COM1
D/I Block Diagram
TO_CPU
D/O Block Diagram
DIO24
DIO29
DIO30
7188XA/B/C & 7521/2/2A/3/4/7 Series Hardware User' s Manual, Ver. 2.0 Sep/2002, 7Mh-001-20 -----
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Ext. GND
GND 13
+VS 12
Ext. 24V
D2- 11
D2+ 10
9
DI1/Init
DI2 8
7
DI3
Dry contact or TTL/CMOS
6
DO1
or (3.5V to 30V D/I)
DO2 5
4
DO3
X1
3
X2
2
X3
1
UA
2
3
1
74HCT08
7188XC/7521
series
U?
1
B0
2
B1
3
B2
4
B3
5
B4
6
B5
7
B6
8
E
2003A
7188XC/7521
Current Limit Resistor
Load current <= 125mA
+5V
R2
10K
R1
10K
9
COM
16
C0
15
C1
14
C2
13
C3
12
C4
11
C5
10
C6
50
Inductive load or
Conductive load
D/I
+VS
12
6 DO1
DO2
5
DO3
4
13 GND