PCB Piezotronics IMI SENSORS 686 Series Installation And Operating Manual page 18

Using Two Switches in Parallel to Monitor Two Axes Simultaneously on Same Motor
Figures 13 and 14 – Using Two Switches in Parallel to Monitor Two Axes Simultaneously on Same Motor
The Smart Switches are hooked up in parallel and installed on the motor in horizontal and vertical directions.
Pushing the Start pushbutton closes the M contact and starts the motor. If the start-up delay option for the
switches is enabled, then during the specified startup delay time, the switches will not trip regardless of the
vibration level. After this delay, the alarm siren will be activated if either of the switches experiences a vibration
level over the alarm threshold lasting greater than the specified operation delay time.
PAGE 13