FORM 160.00-O4
ISSUE DATE: 12/19/2017
FIGURE 1 - OPTISPEED™ SYSTEM ARCHITECTURE
(MODEL VSD 351 SHOWN SIMILAR TO 270, 292, 424 MODELS) (CONT'D)
18
COOLING
COOLING
FANS
COIL
GATE
IGBT
DRIVER
BOARD
SCR/DIODE
MODULE
DC BUS
ISOLATOR
BOARD
SCR
TRIGGER
LD13165
BOARD
JOHNSON CONTROLS