PPC-6101
All-in-One CPU Board Series User’s Manual
Jumpers and Connectors
26
3.4.6 Digital I/O Port (DIO1): CN8
The board is equipped with an 8-channel digital I/O connector
CN8
that meets a system customary automation control needs. The digital
I/O can be configured to control the cash drawer, or to sense the
warning signal of an Uninterrupted Power System (UPS), or to perform
the store security control. The digital I/O is controlled via software
programming.
Digital I/O Connector: CN8
Pin Signal Pin Signal
1
DIO Out 0
2
DIO In 0
3
DIO Out 1
4
DIO In 1
5
DIO Out 2
6
DIO In 2
7
DIO Out 3
8
DIO In 3
9
DIO Out 4
10
DIO In 4
11
DIO Out 5
12
DIO In 5
13
DIO Out 6
14
DIO In 6
15
DIO Out 7
16
DIO In 7
17
GND
18
GND
19
NC
20
NC
1
2
19
20
3.4.6.1 Digital I/O Software Programming
The Digital I/O on the board is not an isolated type.
Output Address Bit Output Address Bit
Out-0
123h
0
In-0
123h
0
Out-1 123h 1 In-1
123h 1
Out-2 123h 2 In-2
123h 2
Out-3 123h 3 In-3
123h 3
Out-4 123h 4 In-4 123h 4
Out-5 123h 5 In-5
123h 5
Out-6 123h 6 In-6
123h 6
Out-7 123h 7 In-7
123h 7