72/108 Bosch Rexroth AG CS351 | 3609929B45/2014-09
Product description
Motor OFF protective circuit
1. Cut-out via the internal motor contactors
After a cut-out via the motor contactor, the
motor phases are electromechanically isola-
ted from the power supply.
Fig. 9: Motor OFF circuit 1 (NH1) connection to the Compact System
Motor Off switch directly connected to
the contacts for motor OFF
If the S1 motor breaker switch is actuated,
the motor of the hand-held nutrunner/tighte-
ning spindle will be decelerated by the
servo amplifier and the internal contactor in
the compact system will be opened. This
tightening job abort leads to an error mes-
sage in the controller. The error message is
automatically acknowledges once switch
S1 is closed again. Now you can restart the
system.
XDN1
1
23
4
S1
Einsatz
Motor-Stopp-Schalter
1 mm
2
VEE NH1
NH1
NH1
CS351_zweispaltig - D.book Seite 72 Donnerstag, 2. Oktober 2014 8:36 08
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