Figure 3-2. Base I/O Address Switch Settings - National Instruments AT-GPIB Getting Started

Hardware Configuration and Installation
you press down. Figure 3-2 also shows how each base I/O address was
calculated from the switch positions.
Key
ADDRESS
1
Switch Set to Match Hardware
Default Setting and Software
Default Setting for gpib0
(Base I/O Address 2C0 hex)
ADDRESS
1
Switch Set to Match Software
Default Setting for gpib1
(Base I/O Address 2A0 hex)

Figure 3-2. Base I/O Address Switch Settings

AT-GPIB/NI-488M/INTERACTIVE UNIX
= side you must press down; Off=1; On=0
Push this side down (OFF) for logic 1
Push this side down (ON) for logic 0
9
8
7
6
5
0
9
8
7
6
5
0
Binary
1
0
1
1
0
0
0
0
0
0
Binary
1
0
1
0
1
0
0
0
0
0
3- 4
Chapter 3
Hex
2
C
0
Hex
2
A
0
© National Instruments Corp.