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4.6
Interlock circuit for the external fan motor
Interlock circuit for the external fan motor
For machines with external fans, install an interlock circuit that prevents the main machine
being switched on if the external fan is not operational.
See also
Connecting an external fan motor (Page 88)
4.7
Thermal motor protection
The machine is equipped with measuring equipment for direct monitoring of the motor
temperature to protect the machine against overload during operation. Plan a corresponding
circuit for monitoring.
SIMOTICS FD 1LQ1
Operating Instructions 01/2019
Type
1L.....-4A...-....
1L.....-4B...-....
4.6 Interlock circuit for the external fan motor
Space requirement / clearance A
400 mm
450 mm
Preparations for use
31
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