ASDA Series Application Note Application Examples
March, 2015 3-85
3.6.2.3 Camshaft (Chain conveyor)
Chain conveyor receives the pulse sent by master axis and synchronizes with master axis. With
ASDA-A2, this axis has the function of pulse tracking and mark correction which will be
elaborated later.
3.6.3 Servo system setting
3.6.3.1 System configuration
While the master axis delivers the film, it sends the pulse to camshaft simultaneously. Since
ASDA-A2 has built-in function of pulse by-pass, when sending pulse to slave axes, the delay
time of each axis is 50 ns and the signal will not be attenuated. Repeater is included in ASDA-A2
servo drive, thus, it will not increase the cost when applying to multi-axis. Apart from pulse, mark
signal also needs to be distributed to two slave axes so that the system can conduct the function
of mark correction, see Figure 3.6.3.
Figure 3.6.3 System configuration
For different color of mark, e.g. black mark with white background or vice versa can be done by
changing the setting of ASDA-A2. No need to change the photoelectric switch to read the mark,
see Figure 3.6.4.
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