National Instruments NI PCI-6510, User Manual

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© National Instruments | 4-7
NI 651x User Manual
Figure 4-9.
NI 6516 GND Connection Example
Figure 4-10. NI 651 8 GND Connection Example
Refer to the NI SH37F-37M Cable section of Chapter 5, Cables and Accessories , for more
information.
Output Signal Connection Example (Sinking Current)
The following figures show examples of driving a load with the photocouplers and Darlington
arrays (sinking current).
Caution
Make sure that P<0..7>.COM (VCC) is connected to the positive pole of
the power supply and that P<0..7>.GND is connected to the negative pole of the
R
L0
. . .
P0.0
P0.1
P0.2
P 3 .7
VCC, Pin 5
VCC, Pin14
VCC, Pin 28
VCC, Pin 3 7
COM
+
–
+5 V ~ + 3 0 V
R
L0
. . .
P0.0
P0.1
P0.2
P 3 .7
VCC, Pin10
VCC, Pin 28
VCC, Pin 29
COM
+
–
+5 V ~ + 3 0 V