Delta ASDA Series User Manual

ASDA Series Application Note Introduction of E-Cam Operation
March, 2015 2-21
narrower constant speed area. If the required operating distance of the cutter axis is the
same (integral value of the speed curve is the same), curve with wider constant speed
area will accelerate/decelerate faster during the non-constant speed area thus reaching
the operating limit (max. torque limit). So, compare with the curve with narrower constant
speed area, when cutting length becomes shorter, curve with wider constant speed area
will have less flexibility for adjusting the cutting length.
Slave speed
Master speed
V dt = Distance
The moving distance of slave.
(circumference of the cutter)
The moving distance of master axis.
(cutting length)
The extra traveling distance of the
slave axis.
Wider
cutter for
wider
constant
speed area.
Higher speed
with the same
circumference.
Max. motor
speed
Figure 2.28 How does Width of Constant Speed Area Change Motor Speed and Current
If the cutting length cannot be shortened because of the speed or the maximum current
limitation on the slave axis, without changing other conditions, adding more cutters will
shorten the traveling distance of the slave axis among each cutting. In addition, this will slow
down the slave axis as well as the current output; chances of motor reaching its operating
limit will be less.
Figure 2.29 How Adding Cutters Change the Speed of the Cutter Axis
Master
speed
(one cutter)
Slave
speed
Circumference
(two cutters)
Master
speed
Slave
speed
Half
circumference

Delta ASDA Series Specifications

General

Control Modes	Position, Speed, Torque
Communication Interface	RS-485, CANopen, Modbus
Feedback	Incremental encoder, Absolute encoder
Protection	Overvoltage, Undervoltage, Overcurrent, Overtemperature
Power Supply	Single-phase or three-phase AC
Output Power	50W to 15kW (depending on the specific model within the series)