CJ1W-NC414 Omron, CJ1W-NC414 Datasheet - Page 342
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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7
7-4 Linear Interpolation
7-41
Stepping Motor Usage Precautions
When you perform continuous linear interpolation operation with stepping motors, use [1:
Automatic] for [End Pattern] of the sequence data.
During interpolation, the axes start at the target speed and acceleration/deceleration time upon
a start command. Accordingly, high pulses may be output suddenly or pulse output may stop
abruptly if you select [Continuous 1 to 3] for [End Pattern]. The motor may not be able to
accommodate such changes in pulses and step out as a result.
For example, you started axis 1 to execute the linear interpolation operation that involves 2
axes, namely axes 1 and 2 as follows.
The movement of axis 2 from point A to point B is 0.
Axis 2
(pulses)
The interpolation speed until point A is given by a, while the interpolation speed until point B
and thereafter is given by b. If you select [Continuous 1 to 3] for [End Pattern], the interpolation
speed and speeds of axes 1 and 2 are calculated as follows, and accordingly abrupt output or
stopping of pulses occurs.
Interpolation speed
Axis 1 speed
Axis 2 speed
acos
bcos
asin
bsin
θ
(pps)
(pps)
(pps)
a
a
b
b
θ
θ
θ
θ
A
Position path
b
CJ Position Control Units OPERATION MANUAL (CJ1W-NC214/234/414/434)
B
θ
b
Point A
Sudden pulse output
End pattern: Continuous
Axis 1
(pulses)
Point B
Pulse output stops
Pulse output stops
Sudden pulse output
Time
Time
Time
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