PCI 703 User Manual
Eagle Technology - Data Acquisition
Eagle Technology © Copyright 2001-2004 – www.eagledaq.com
15
Counters Output (GPCTR0 -1)
These are the outputs of the two user counters.
Counters External Clock (CPCTR0-1)
These are the external clock inputs of the two user counters.
+5V Power Pin (+5V)
This is a +5 volt fused power pin.
Digital Ground (DGND)
All digital ground signals should be connected to this pin.
Analog Input Connections
WARNING!!
All unused analog inputs must be
connected to analog ground. The
analog input system of the PCI703 can
be damaged or become unstable when
scanning channels that is left floating.
Analog Input Connections - SAMPLE-AND-HOLD
WARNING!!
Don’t feed any voltage into the
PCI703S while the computer is
switched off. This will damage the
analog input cicuitry. The sample -and-
hold devices will be damaged
parmanently and result in
multfunctioning of the board.
Differential Input Pairing
The table below shows the differential channel pairing. This is for the PCI703-16/32/64
boards. Please note that if any channel is assigned as a differential input, the paired channel
will automatically become unavailable. The positive channel is the channel that needs to be
configured.
Channel
Number
Positive
Channel
Negative
Channel
Channel
Number
Positive
Channel
Negative
Channel
0
0
8
16
32
40
1
1
9
17
33
41
2
2
10
18
34
42
3
3
11
19
35
43
4
4
12
20
36
44
5
5
13
21
37
45
6
6
14
22
38
46
7
7
15
23
39
47
8
16
24
24
48
56
9
17
25
25
49
57
