NI 6509 User Guide and Specifications
18
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Driving a Relay >24 mA
Figures 9 and 10 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 9.
NI 6509 Sinking Connection Example, >24 mA
Figure 10.
NI 6509 Sourcing Connection Example, >24 mA
Driving SSRs
Figure 11 shows an example of connecting the NI 6509 to a solid-state
relay (SSR).
Figure 11.
NI 6509 SSR Connection Example
P
X.Y
GND
NI 6509
Vcc
P
X.Y
GND
NI 6509
Vcc
+
–
V
AC
SS
R
P
X.Y
GND
Lo
a
d
Lo
a
d
NI 6509
