ABB ACS880 - Page 78

Star configuration with fiber optic cables (1)
R T R T R T R T
RT
RT
RTRT
FDCO
FDCO
RDCO
CH2
Follower 2
Follower 1
Master
(ZCU) Control unit
(ZCU) Control unit
(BCU) Control unit
(ZCU) Control unit
Follower 3
FDCO
MSTR CH0 CH1 CH2
NDBU
Where, T = Transmitter; R = Receiver
78 Program features