7
NTT 240/460
Safety Informations
Installation and user guide
Rev: 4.0
Ch. 1 Safety Informations
Read carefully this manual before using NTT 240/460 drive.
Take care of this handbook and keep it at hand for later reference.
Please make sure that this handbook is delivered to the final customer and user.
Safety symbols used in this guide are described below:
DANGER:
This symbol means the possibility of serious body hazards due to
electrical, thermal or mechanical shock.
!
ATTENTION/WARNING:
This symbol means the possibility of damaging drive or other
equipment.
!
NOTES:
This symbol suggests auxiliary informations to ensure a correct
operation for drive or other equipment.
1.01 Danger
•
Never supply the drive without the cover and never remove the cover while supply is on.
•
Do not manipulate the drive with wet hands. Failure to observe this could lead to electrical shocks.
•
Keep a safety distance from the motor and the machine when the power is on and never touch the rotary parts
of the motor when it is in function.
•
When reset the alarms make sure that the signal of running is enabled in order to avoid unexpected start of the
motor. Fix up a separate emergency stop device. It exists the risk of injury.
•
Do not touch the terminals of the drive, the motor or the external braking resistance, while the power is on.
Failure to observe this could lead to electrical or thermal shocks.
•
Before starting wiring, ensure that all supplies are off and motor is stopped.
•
Always turn the device’s input off before starting any maintenance. Failure to observe this could lead to fires or
electrical shocks.
•
Disconnect all supplies before performing drive maintenance.
•
Always wait at least 8 minutes after turning off the input power before starting inspections. Make sure that LEDs
have been erased.Failure to observe this could lead to electrical shock.
•
The maintenance, the inspection and part replacement must be done by a designated person. Remove all the
metal accessories like watches, bracelets etc before beginning the job. Failure to observe this could lead to
electrical shocks and injuries.
•
Always turn the power off before inspecting the motor or machine. A potential is applied on the motor terminal
even when the motor is stopped. Failure to observe this could lead to electrical shock.
•
Ensure that supply voltage range mathes with drive features.
Содержание NTT 240
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