Contec AO-1604CI2-PCI, User Manual

Page: 43 / 85

3. External Connection
36
AO-1604CI2-PCI
Connector Pin Assignment
Pin Assignments of Interface Connector (CN1)
CN1
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Settling Busy Output
Timer Output
Minus Common
N.C.
N.C.
Analog Ground 3
N.C.
N.C.
N.C.
Analog Ground 2
N.C.
N.C.
N.C.
Analog Ground 1
N.C.
N.C.
N.C.
Analog Ground 0
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
Plus Common
External Trigger Input
External Sampling Clock Input
N.C.
N.C.
Current Output 3
Voltage Output 3
N.C.
N.C.
Current Output 2
Voltage Output 2
N.C.
N.C.
Current Output 1
Voltage Output 1
N.C.
N.C.
Current Output 0
Voltage Outpu 0
Voltage Output 0
- Voltage Output3 Analog voltage output signal.
The numbers correspond to channel numbers.
Current Output 0
- Current Output 3 Analog current output signal.
The numbers correspond to channel numbers.
Analog Ground 0
- Analog Ground 3 Analog grounds for identically numbered output signals.
External Trigger Input External trigger input signal
External Sampling Clock
Input External sampling clock input signal.
Timer Output Output signal of programmable timer
Sampling Busy Output Output signal indicating that the board is performing AD conversion.
Plus Common Connect the plus side of external device.
Common for each "External Trigger Input", "External Sampling Clock Input",
"Timer Out", "Sampling Busy Out" signal.
Minus Common Connect the minus side of external device.
Common for each "Timer Out", "Sampling Busy Output" signal.
N.C. No connection to this pin.
Figure 3.2. Pin Assignments of Interface Connector (CN1)
CAUTION
Do not connect any of the outputs and power outputs to the analog or digital ground.
Neither connect outputs to each other. Doing either can result in a fault.