8 VB230/400-6/25/30LT
8. Control inputs and outputs
8.1 Control input
Braking interrupt:
With the input X3, X4, a braking interrupt can be effected. For this purpose, another normally
closed contact has to be connected in series before the normally closed contact of the motor
contactor. Opening of this contact for at least 150ms will cause a braking interrupt.
After closing of this contact - however after 1200ms at the earliest - the motor can be restarted.
Caution: Danger to life through electric shock!
The terminals X3, X4 carry mains potential; when laying the connecting
lines, be sure to provide protection against accidental contact.
Control terminals Designation Description
X3, X4 Starting contact Connection of a normally closed contact of the motor
contactor.
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