Servo controller electronics package. The control signal may be applied locally from a
hand-held signal generator or remotely from a process controller.
In the case of an over torque fault, the electronics are configured to limit max current,
which will effectively lock the rotor.
Fig. 4: Model A266.530 Wiring
A-Series 530 lb-in 24V On/Off Servo Controller
Whether supplying AC or DC power, the 24V On/Off Servo Controller provides a
reference direction signal and DC power to an H-bridge to power and control motor
direction. The controller will handle instantaneous switching of the direction and
enforce a short timing delay. In the case of a control fault where both directions are
commanded at once, the controller will stop actuator movement. In the case of an
over-torque fault, the H-bridge is also configured to limit maximum current which will
effectively lock the rotor.
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