... /stepper motor control; each axis can control independently2-4 axis linear interpolation, arc interpolation, multi-axis continuous ... or S-curve acceleration/decelerationAsymmetric linear acceleration/decelerationAll the 4 axes have position(coder) feedback input; 32-bit ... ,483,648~+2,147,483,64732-channel optical coupling isolation digital input, 32-channel digital output ,every axis contains 2 positive ...