Apollo 150 III - Manual (Page 58)

User Manual version 2305
APOLLO 120/150 III 4-48
4.11. DIO (Digital Input & Output)
The APOLLO III provides 2-channel digital input and output
that can be used for the system’s simple automation control
needs. The digital I/O can be configured to control the
opening of a cash drawer or to sense the warning signal of an
uninterrupted power system (UPS) or to do the store security
control.
The DIO port address and pin definition is listed below;
I/O Port address: 208H
Read: SD0, SD1
Write: SD4, SD5
1 2 3 4 5 6
DIO1
RJ11
VCC12
VCC5
VCC5
IN_0
IN_1
OUT_1
OUT_0
MOSFET N
4.7K
DIO1
RJ11
1
2
3
4
5
6
4.7K
SD0 IN_0
SD1 IN_1
-IOR206H
74LS244
2 18
4 16
6 14
8 12
11 9
13 7
15 5
17 3
1
19
20
10
1A1 1Y1
1A2 1Y2
1A3 1Y3
1A4 1Y4
2A1 2Y1
2A2 2Y2
2A3 2Y3
2A4 2Y4
1G
2G
VDD
GND
IO 206H(READ) IO 208H(READ)
SD4 OUT_0
SD5 OUT_1
-IOW206H
74LS273
3
4
7
8
13
14
17
18
11
1
2
5
6
9
12
15
16
19
20
10
D1
D2
D3
D4
D5
D6
D7
D8
CLK
CLR
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
VCC
GND
IO 206H(WRITE)
IO 208H(WRITE)