Advantech PCI-1240 Manual de usuario descargar pdf (Pagina 12)

PCI-1240/PCI-1240U User Manual 4

Bit Pattern Interpolation

Any 2 or 3 axes can be selected to perform the bit pattern interpolation,

and the interpolation data is calculated by CPU; CPU writes the bit data

into MCX314/MCX314AS. Then, MCX314/MCX314AS outputs pulses

continuously at the preset driving speed. So, the user can process any

interpolation curve by this mode.

Continuous Interpolation

Different interpolation methods can be used continuously, for example:

Linear interpolation!Circular interpolation!Linear interpolation.

The maximum driving speed of performing continuous interpolation is 2

MPPS.

Constant Vector Speed Control

This function performs a constant vector speed. During the interpolation

driving, MCX314/MCX314AS can set a 1.414 times pulse cycle for 2-

axis simultaneous pulse output, and a 1.732-time pulse cycle for 3-axis

simultaneous pulse output that keep the constant speed during driving.

Position Control

Each axis has a 32-bit logic position counter and a 32-bits real position

counter. The logic position counter counts the output pulse numbers, and

the real position counter counts the feedback pulse numbers from the

external encoder or linear scale.

Compare Register and Software Limit

Each axis has two 32-bit compare registers for logical position counter

and real position counter. The comparison result can be read from the sta-

tus registers. The comparison result can be notified by an interrupt signal.

These registers can be also functioned as software limits.

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Advantech PCI-1240 Manual de usuario Pagina 12