How can industrial servo systems be designed from the outset to avoid the need for later modifications?

Integrating EMC (Design for EMC) design into the early stages of servo system development can significantly reduce the cost and time required for later modifications. Yinte Electronics' early design principles are:

1) Architecture Design: Clearly define EMC objectives (certification standards, levels) and plan the overall scheme for filtering, shielding, and grounding.

2) Schematic Design: Pre-install filtering circuits and protection devices (such as CMZ, PBZ, TVS) at key locations such as power input, motor output, and communication interfaces, with parameters allowing for adjustment.

3) PCB Layout: Follow rules such as minimizing power loops, separating strong and weak currents, maintaining a complete ground plane, and protecting sensitive circuits.

4) Structural Design: Consider the integrity of shielding in the chassis (treatment of gaps and ventilation openings), and reserve installation positions for filters and shielding pads.

5) Component Selection: Select power devices with good EMC characteristics and low-noise driver ICs.

6) Simulation Assistance: Perform SI/PI/EMC simulations on key filtering circuits and PCB layouts.

Through systematic early design, the probability of the prototype passing EMC testing on the first attempt can be increased by more than 70%, achieving "doing it right the first time."