Hardware Reference
In-Depth Information
Figure 9.41
Using a 'snubber' network with an inductive load
Figure 9.42
Stepper motor interface based on the UCN5804
Driving solenoids and solenoid-operated valves
Solenoids and solenoid-operated valves are generally available with coils rated
for 110 V/240 V AC or 12 V/24 V DC operation. The circuitry for interfacing
solenoids will thus depend on whether the unit is rated for AC or DC operation.
In the case of AC-operated units, a suitably rated SSR should be employed (see
Figure 9.41) while, in the case of DC-operated solenoids, interface circuitry
should be identical to that employed with medium/high current relays (see
Figure 9.33).
