How to take backup from esa vt series hmi.

[parth048]

Hiii, guys I need to take backup from esa vt series hmi like vt 310w n vt 170w . Plz tell me how to get it. Also I have vt 5.17 version and polymath... Tell me is it right software or else plz send me right software with right version... And also procedure to take backup.