CJ1W-NC214 Omron, CJ1W-NC214 Datasheet - Page 36
CJ1W-NC214
Manufacturer Part Number
CJ1W-NC214
Description
High Speed Pulse Train 2 Axes
Manufacturer
Omron
Datasheet
1.CJ1W-NC214.pdf
(601 pages)
Specifications of CJ1W-NC214
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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1
1-8 Control System Configuration and Principles
1-19
Control System Principles
Open-loop Control
Closed-loop Control
Open-loop control is a control method that operates the motor according to received input
pulses. It does not feedback positions or speeds.
The motor speed is proportional to the number of pulses in the pulse train from the PCU, while
the rotation speed is proportional to the frequency of the pulse train.
Stepping motors are often used under this type of control method.
A stepping motor turns by a specified angle for each received pulse signal.
In this control, the PCU not only issues commands, but also position and speed feedback is
performed.
As with open-loop control, the motor speed is proportional to the number of pulses, while the
rotation speed is proportional to the frequency of the pulse train.
Servomotors are often used under this type of control method.
Position Controller
Position Controller
Pulse train
Feedback pulse
Pulse train
Stepping motor or
pulse train input
Servomotor
CJ Position Control Units OPERATION MANUAL (CJ1W-NC214/234/414/434)
Decelerator
Encoder
Stepping motor or
pulse train input
Servomotor
Decelerator
Table
Ball screw
Table
Ball screw
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