ABB ACS580MV Commissioning Manual page 98

98 Option
Configuration of drive and bypass for MBU=0001 and MBU=0002 or MBU=0003
DANGER Three isolation switches are forbidden to be operated when MCB is
closed. Illegal operation will result in death or serious injury.The position of the
knives must be checked through the observation window after operation to
make sure they are in the right position.
To harmonize the voltage level of customer interface for MCB status, MCB open and
ready status interface update from 24V to 230V which same as MCB close status. If
customer need set common point for MBU/ABU, please set X210/X310:1,3,5 as common
point. Please double-checking schematics, IO interface and the customer wiring before
commissioning due to customer interface changed. If drive still using old design, please
make sure pin3 or pin4 cannot have common grounding with pin1, pin2, pin5 and pin6.
Customer interface or MBU (Old)