Configuration software upgrade

Safety PLC（Safety Programmable Logic Controller) refers to a programmable system that can still respond correctly and cut off the output in a timely manner when it's own or periphera components or actuators fail.

• Double click the tage to quickly generate modules

• Variable copy and paste

• Quick alignment of modules

• Connectable pins are highlighted with snap-to connection

• Dragging the engineering interface to the edge automatically scrolls the interface

• Optimized frame selection, supporting both bottom-up and top-down modes

• Added frame work for module jump help

• Added variable name serialization