B&R 8LS 3 Series, Руководство пользователя

Страница: 291 / 300

Commissioning and operation
8LS...-3 user's manual V2.50 291
Danger!
Personal injury and damage to property due to non-intended use of the holding brake!
If the holding brake is used differently than intended, functional failures and accidents involving per-
sonal injury or damage to property are possible.
•
Do not use the holding brake for braking under normal operating conditions! It is not intended
for normal braking.
•
Do not use the holding brake to protect personnel! The holding brake does not provide protec-
tion for personnel!
•
Do not use the holding brake to hold loads! They do not ensure a securing function (e.g. against
lowering in the case of lifted loads).
•
Do not load motors with holding brakes axially either during assembly or during operation. It is
especially important to prevent axial forces in the direction of the B flange since these forces
can cause the brake to fail!
Note:
Loaded braking during an emergency stop is permitted but reduces its service life.
For additional information about the holding brake, see chapter "Technical data".
6.3 Verification
6.3.1 To verify before commissioning
Before commissioning, ensure the following:
• The drive is not damaged and the motor is not in the danger zone for other devices.
• The motor is properly set up and mounted.
•
The screw connections are tightened correctly.
• Any unused connection threads on the flanged end shield are sealed.
•
All components attached to the output shaft are secured against unintentional release.
• Shaft keys and other mounting elements have been removed from freely rotating motors. They can be
ejected due to centrifugal force.
• All the necessary protective equipment (mechanical, thermal, electrical) is installed.
•
The motor connections are properly installed.
• The protective ground conductor is installed properly and verified.
• The wires are not touching the motor surface.
•
The drive is free (release brake).
• The emergency switch-off functions have been checked.
•
The fan, if present, has been properly connected and checked to ensure that it is operational.
Warning!
Personal injury and damage to property due to damaged or unsuitable machine components!
Operating a machine with damaged or unsuitable components is a safety risk and can lead to failures.
Severe damage to property and injuries cannot be excluded.
•
Never operate a machine with a damaged motor or gearbox or any other damaged component.
•
Never install a damaged component in a machine.
•
Do not use motors or gearboxes that have already been overloaded during operation.
•
Before installation, ensure that the motor or gearbox is suitable for the machine.
•
It is better not to carry out short-term test and trial operations with damaged or inappropriate
machine components.
•
Label damaged or non-operational components in a readily visible location and clearly.