There are various vi-s:

GotoField6.vi suitable to drive a magnet without persistent mode.

Subvi-s called by GotoField6.vi:

• edo_MAG_init.vi initialize computer's serial port
• edo_MAG_wrt.vi writes a buffer to serial port
• edo_MAG_rd.vi reads from the serial port.
• edo_magnet_status.vi reads the status of the Magnet Power Supply

GotoField4.vi suitable to drive a magnet with persistent mode.

edo_Magneet1.vi subvi called by GotoField4.vi