Safety Circuit Design - Panasonic FP7 User Manual

Power On/Off and Check Items

4.1 Safety Circuit Design

Example of a safety circuit
Installation of the over limit switch
Motor driver
Driver upper and
lower limit input
Safety Circuit with Positioning Unit
Install over limit switches as shown above.
Connect the switch to the limit (+) input and limit (-) input of the positioning unit.
External safety circuit
Install the safety circuit recommended by the manufacturer of the motor being used.
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Positioning unit
Motor
CCW driving
inhibition switch
External safety circuit
Over limit Over limit
switich switich
Input to positioning unit
CW driving
inhibition
switch