By connecting a PC to a V9 via wireless LAN, screen data can be shared and ladder programs transferred to the PLC (Fuji Drive and Automation). There is no need to physically connect the units and it is easy to debug programs on site. Vertical display and edits on the screen are possible (by left or right turning). Images can be laid out four times the screen size in height or width according to your needs. The displayed image can be magnified up to 200% by pinching out the screen, and reduced to the original size by pinching it in. Operation logs can be searched for by specifying an operator or date and time. The log viewer is simply accessed by selecting it from the drop-down menu. There is no need to create a new display area. Error messages are described in a sentence for easy comprehension.