CJ1W-NC434 Omron, CJ1W-NC434 Datasheet - Page 195
CJ1W-NC434
Manufacturer Part Number
CJ1W-NC434
Description
High Speed Pulse Train 4 Axes
Manufacturer
Omron
Datasheet
1.CJ1W-NC214.pdf
(601 pages)
Specifications of CJ1W-NC434
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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CJ Position Control Units OPERATION MANUAL (CJ1W-NC214/234/414/434)
Software Limit Function
This function monitors positioning points via software, separately from hardware limit signals,
in order to prevent damage to external devices that may result from an unexpected positioning
operation due to erroneous operation.
Set the range to be monitored by software limits using 2 values, or namely the reverse direction
limit and the forward direction limit.
Under the normal positioning function, perform positioning within the range of these software
limits.
If the present position goes outside the range because of the command which does not cause
movement, such as present position preset, the software limit is not detected.
If the present position is outside the range of software limits, you can perform positioning only
into the range of software limits.
Also the software limit function does not operate unless the origin is confirmed. Accordingly,
software limits are not detected while Origin Search operation is in progress.
The software limit function is enabled in the LINEAR mode.
Mechanical stopper
The software limit settings (enable/disable, limit values) are always rewritable. If you change the
settings during axis operation, however, the new settings are reflected only when the next axis
operation starts.
Take note, however, that you cannot load changes to the software limit settings during duplicate
starts in direct operation or when the interpolation operation pattern switches from Continuous 1,
Continuous 2 or Continuous 3.
Depending on [Command Position Unit Setting], an overflow or underflow may occur even if the
command value is within the above range of −2147483647 to 2147483646.
Take note that the number of pulses must not exceed the setting range.
Precautions for Correct Use
Reverse direction limit input signal
Reverse direction limit
Mechanical movement range
Electrical movement range
Software movement range
Forward direction limit input signal
Forward direction limit
Mechanical stopper
5-3 Axis Parameters
5-34
5
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