ABB ACS580MV - SBU Phase Order Check Procedure

108 Option
 SBU phase order check procedure
Phase order check for main circuit
NOTICE! Main circuit order check is important and it’s more of engineering practice how
it’s conducted, which is common to all other products with SBU function, instead of
something specially for ACS580MV; Meanwhile, SBU commissioning needs to count on
expertise of FSE to judge on site which method is safe/applicable and easy to carry out,
most of the time, a common method will not work out.
one network
two network