APS means “Automation Product Software”. APS library provides users a uniform interface to access all of the Tech Square products that support it. It can cover many automation fields, especially machine automation. The most important component in machine automation is motion control. APS library was first born with motion control which co-working components such as system platform management, field bus communication function, general digital input/output, general analog input/output, and various counter/timer supports are all built-in components in APS. The APS library will be an all-in-one solution in the automation field of Tech Square products.