HP (Hewlett-Packard) 9112 Series ユーザーズマニュアル
24
• Registers Format
In PCI-9112, the analog input ranges are software programmable and it is
controlled by the gain value. The gain value and its corresponding input
range is shown as below.
controlled by the gain value. The gain value and its corresponding input
range is shown as below.
(
Bi
t1
2)
G
3
(
Bi
t1
1)
G
2
(
Bi
t1
0)
G
1
(
Bi
t9
)
G
0
Bipola
r
or
Unipol
ar
r
or
Unipol
ar
Input Range
1
0
0
0
Bipola
r
r
±
10V
0
0
0
0
Bipola
r
r
±
5V
0
0
0
1
Bipola
r
r
±
2.5V
0
0
1
0
Bipola
r
r
±
1.25V
0
0
1
1
Bipola
r
r
±
0.625V
0
1
0
0
Unipol
ar
ar
0V ~ 10V
0
1
0
1
Unipol
ar
ar
0V ~ 5V
0
1
1
0
Unipol
ar
ar
0V ~ 2.5V
0
1
1
1
Unipol
ar
ar
0V ~ 1.25V