Base Address Switch - Keithley PIO-24 User Manual

Parallel digital interface board
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Figure 2-1
Switch and jumper layout
INTERRUPT LEVEL
2 3 4 5 6 7 X
BASE ADDRESS
9 8 7 6 5 4 3 2
ON
1 2 3 4 5 6 7 8

Base address switch

The Base Address switch is preset at the factory for 300 Hex, as shown in
Figure 2-2.
Figure 2-2
Diagram of the base address switch (S2)
1
2
3
4
ON
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J8
SLOT
Address
Address Line Values:
Line
Decimal
A9
512
A8
256
A7
128
A6
64
A5
32
A4
16
A3
8
A2
4
5
6
7
8
Switch settings indicate a value of
512 + 256 = 768 Decimal
or
200 + 100 = 300 Hex
Installation
2-3
Hex
200
100
80
40
20
10
8
4

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