Figure 10–1
Typical digital I/O configuration
STB-20
CMA-20
Ribbon Cable
2060
Digital I/O cable
STB-10
Interfacing to switches and other devices
The STB-20 terminal board provides a convenient way of interfacing switches or
other digital I/O devices to the digital I/O port. I/O lines can be connected to an
STB-20 with a CMA-20 cable. Parallel I/O devices are then connected to the screw
terminals on the STB-20. The illustration above shows an STB-20 terminal board
connected to the I/O. Refer to the STB-20 product sheet for more information.
Table 10–2 STB-20 interface
STB-20 Interface
Terminal #
Port A
Terminal #
Port B
17
Bit 0
9
Bit 0
16
Bit 1
8
Bit 1
15
Bit 2
7
Bit 2
14
Bit 3
6
Bit 3
13
Bit 4
5
Bit 4
12
Bit 5
4
Bit 5
11
Bit 6
3
Bit 6
10
Bit 7
2
Bit 7
18 +5V
1 Gnd
nc/19 nc/20
70
Содержание 2060 PC/104
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