Turntable control SmartTurn
Structure and function
22
Dok-ID:EXPERT-0003-EN-2011
4.2.4 Brake wear monitor
If the switch off angle reaches the end of the lock movement, then
the warning "End lock angle" is output to the PLC.
CAUTION!
Warning "End lock angle"!
Increased brake wear or abnormal conditions
(e.g. due to overload) could be present that could
damage the turntable.
Therefore:
–
Check the brake on the motor.
–
Check the turntable.
The turntable can still be operated, however the warning indicates
that increased brake wear or abnormal conditions are present that
could compromise safe turntable operation over a longer period of
time.
NOTE!
Addition fault rectification instructions are provided
in the section -> Sequence fault - warning end lock
angle.
Pos : 4. 13 /SmartT urn/4. 2. 2_a zu Über wachung Brems versc hl eiß @ 1\ mod_1219139502062_38. doc @ 7035
If the switch-off angle is more than 5 degrees outside of the lock
movement, the warning "End lock angle" and "System fault" are
output to the PLC.
The fault signals that increased brake wear or abnormal conditions
are present that compromise safe operation of the turntable.
Further operation can cause damage to the drive elements.
CAUTION!
Switch-off over 5 degrees. Warning "End lock
angle"!
Increased brake wear or abnormal conditions
(e.g. due to overload) are present.
Therefore:
–
Do not continue to operate the turntable.
–
Check the motor on the brake and replace if
necessary.
–
Check the turntable.
NOTE!
Additional fault rectification instructions are
provided in the section -> System fault - end of lock
angle reserve reached.