Power On/Off and Check Items
4-2
4.1 Safety Circuit Design
Example of a safety circuit
Installation of the over limit switch
Positioning unit
Motor driver
Motor
Driver upper and
lower limit input
External safety circuit
Input to positioning unit
CCW driving
inhibition switch
Over limit
switich
Over limit
switich
CW driving
inhibition
switch
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.
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
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