Turntable control SmartTurn
Structure and function
16
Dok-ID:EXPERT-0003-EN-2011
4.2 Functional description
The
SmartTurn
turntable controller is used to control Expert-
Tünkers fixed indexing turntables with any desired indexing.
The turntable can be operated in reverse mode and continuous
mode.
The drive motors can be actuated directly via contactors or
frequency converters.
The position encoder is mounted on the drive roller determined by
position. This ensures a unique position of the drive roller, as well
as of the turntable.
The sensor analyses the position encoder and transfers the
position value to the control unit.
The control unit monitors the position value and the PLC signals.
With each activation the drive roller is rotated 360 degrees forward
or backward. Thus the turntable is always cycled one index.
In special mode, depending on activation, 1-4 cycles will be rotated
simultaneously per activation.
With each activation the drive roller is rotated 360 degrees forward
or backward. Thus the turntable is always cycled one index.
If the turntable is in the 0 position, this is signaled to the PLC.
In reverse mode the forward and backward positions are output as
a signal to the PLC.
Additional position sensing is necessary for turntables with more
than 2 indexes or for continuous mode. For this possibility position
sensing is supplied for the turntable plate as an option. In this case
inductive sensors with individually-coded actuators are used.
Position sensing, standard:
Up to 15 positions are possible if there are no safety requirements.
Position sensing – safety:
1 to X positions with category 4 safety sensors.
Pos : 4. 4 / Smart Tur n/SmartT urn-N eu- 02.2011/4. 2.- a St andardbetrieb / Durc hlauf betrieb @ 2\ mod_1296730560043_38. doc @ 25839
