CJ1W-NC414 Omron, CJ1W-NC414 Datasheet - Page 37
CJ1W-NC414
Manufacturer Part Number
CJ1W-NC414
Description
High Speed Pulse Train 4 Axes
Manufacturer
Omron
Datasheet
1.CJ1W-NC214.pdf
(601 pages)
Specifications of CJ1W-NC414
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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CJ Position Control Units OPERATION MANUAL (CJ1W-NC214/234/414/434)
Simplified Positioning System Design
The figure below shows the positioning which uses a stepping motor.
Stepping motor Reduction gear ratio Moving object
The formula below describes the travel distance per pulse relative to the motor driver which is
called pulse rate.
Pulse rate =
You can calculate the number of pulses required to move the load by L (mm) as follows from
the pulse rate:
Number of pulses =
The pulse speed required to move the load at the feed speed of V mm/second is as follows:
Pulse speed =
The PCU gives the above number of pulses and pulse speed as a position command and a
speed command, respectively, to perform positioning control.
N
=
=
360 × M
P × θs
(Number of pulses per rotation) × (Reduction gear ratio)
Feed speed
360 × M × V
Pulse rate
P × θs
Travel distance
Pulse rate
(mm/pulse)
M
Feed screw pitch
=
(pulses/s)
1-8 Control System Configuration and Principles
V
=
Pulse rate (mm/pulse)
360 × M
P × θs(mm/pulse)
Feed screw pitch
V (mm/s)
L(mm)
P
M : Reduction gear ratio
V : Feed speed of moving object (mm/s)
P : Feed screw pitch (mm/rotation)
θs : Step angle per pulse (degrees/pulse)
=
(
360
=
θs
=
360 × M × L
P (mm/rotation)
)
(pulses/rotation) × M
360 × M
θs × P
P × θs
V
(pulses)
1-20
1
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