NI 6509 User Guide and Specifications
18
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Figure 9.
NI 6509 Sourcing Connection Example,
d
24 mA
Driving a Relay > 24 mA
Figures 10 and 11 are examples of connecting the NI 6509 to a relay that
requires more than 24 mA of current. These examples use an additional
transistor circuit.
Figure 10.
NI 6509 Sinking Connection Example, > 24 mA
Figure 11.
NI 6509 Sourcing Connection Example, > 24 mA
P
X.Y
GND
NI 6509
P
X.Y
GND
NI 6509
Vcc
P
X
.
Y
GND
NI 6509
Vcc