Fig 6.27 Example Of Electronic Gear Setting (Turn Table); Fig 6.28 Block Diagram Of Electronic Gear - OE Max Controls CSDJ Plus User Manual

Setting value of SEt-36 and SEt-37 should at least satisfy the following
formula.
[Number of pulse per 1 motor rotation] x [Machine gear ratio of load and motor shaft]
In case of which the formula above is not satisfied, it can be used as a pulse
command
but resolution cannot be guaranteed.
Maximum resolution =
If the setting value does not satisfy the relationship above, take care of the
following:
First, increase the minimum unit desired to move with 1 command
pulse.(Reduces the resolution.)
Second, use an encoder which outputs more than SEt-37 setting value x 4
pulses per 1 motor rotation.
Third, increase the machine gear ratio or use small pitch of ball screw.
6-32

Fig 6.27 Example of Electronic Gear Setting (Turn Table)

Fig 6.28 Block Diagram of Electronic Gear

x4 ≥ [Setting value of SEt-37
[Number of pulse per 1 motor rotation] x [Machine
gearratio of load and motor shaft]x4
The position control resolution of CSDJ Plus Servo Drive
is ± 1 pulse.In fig 6.23, SEt-36=2048 and the maximum
value that can be obtained of SEt-37 is 2048x4=8192. Thus,
minimum unit which moves by 1 command pulse can be
calculated as shown below.
Minimum distance moved by 1
When actually applying, design with sufficient amount
more than minimum unit.
]
1
pulse of position command =
10mm
=1.22㎛
8192