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LX3VM PLC: Circular/Linear Interpolation Supported

 

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Comparison of WECON 5 Series of PLCs:

 LX3VLX3VPLX5V (Motor and Motion Control)LX5S
Power Supply24VDC or 240VAC24VDC or 240VAC240VAC24VDC
Programming Memory16k64K512KB or 384K(With Ethernet Port)512KB or 384K(With Ethernet Port)
Command Execution Time06.0us06.0us0.01-0.03us0.03-0.08us
Output TypeTransistor or Relay Or MixedTransistor or Relay Or MixedTransistor Transistor or Relay Or Mixed
Serial Ports1 RS422/RS485, 1 RS485 Only, More RS485 via Expansion Card1 RS422/RS485, 1 RS485 Only, More RS485 via Expansion Card1 RS422/RS485, 1 RS485. More RS485 via Expansion.1 RS422/RS485, 1 RS485.
N:N NetworkN/AYESYESYES
CAN BusN/AOptional for some models,
CAN Open DS301 V4.02,
PI8000 HMIs Support CAN Bus
NO
High Speed Counter228
High-speed Pulse Outputs2*200 khz
2*100 khz
Altogether must be less than 400 khz
4*200 khzModel 1412 has 4.
Others 8 * 200 khz
2*200 khz
S-Curve In Accel & DeccelN/AN/AYESYES
Jerk pulseN/AN/AYESYES
E-CamN/AN/AYESYES
Manual Pulse GeneratorN/AN/AYESYES
Circular/Linear InterpolationN/AN/AYESYES
MODBUS Tabular Setting (RSLIST)N/AYESYESYES
Data SheetDownload Data SheetDownload Data SheetDownload Data SheetDownload Data Sheet

In WECON’s PLC world, LX3V is the basic model. LX3VP takes a step higher in terms of specifications, and LX3VE and LX3VM targets customers with more advanced motion control. Based on LX3VE, LX3VM is added with one more feature, Circular Interpolation.

In engineering and science, one often has a number of data points, obtained by sampling or experimentation, which represent the values of a function for a limited number of values of the independent variable. Interpolation is utilized here to calculate other values in between, which all together can be used to draw the perfect shape. Linear interpolation is a method of curve fitting using linear polynomials to construct new data points within the range of a discrete set of known data points. Moving a tool along an arc from X to Y with acceptable accuracy is called Circular interpolation. This moving speed controls the speed for each axis so that they can be the defined speed on the defined arc.

PLC of LX3VP, LX3VE, LX3VM models support N:N Networking:

When it comes to parts cutting, straight lines and curves are most common ones, which means in CNC programming, linear interpolation and circular interpolation are a must.

The application of circular interpolation in other fields.

Here are a few videos to show how WECON PLC works with interpolation:

 

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