Emergency Stop Devices - ABB ACS 300 Series User Manual

Safety Instructions
Emergency Stop
Devices
vi
The motor rotational direction can be locked to forward only by
using the DIR parameter. See page 67 for more details.
Mechanical faults on the motor, power failure or other faults may
cause stoppages. Correcting the fault may cause the motor to
restart. Take all necessary precautions to ensure personnel
safety and to avoid damage to equipment and property before
motor restart.
A supply disconnecting device shall be installed in each supply,
by which the electric parts of ACS 300 can be separated from the
mains network during installation and maintenance work. Isolator
must be load switch type according to EN 60947-3 class B to
meet the European Union Directives or the type which switches
off the loaded circuit by means of auxiliary contact opening main
contacts of switch. The supply disconnecting device shall be
locked to open position while installation and maintenance work
is going on.
Emergency stop devices shall be installed at each operator
control station and at other operating stations where emergency
stop may be required. Pressing the Stop key on the Control Panel
of ACS 300 does not generate an emergency stop of the motor
and does not separate the drive from dangerous potential.
ACS 300 User's Manual