I/O Circuit Block Diagram - Omron BU5002R Instruction Manual

1-5 I/O circuit block diagram

200-240
VAC
input
Noise
filter
Input
Input
overcurrent
relay
protection
BU5002R/BU3002R/BU3002RH
Commercial power
direct output
Rectifier
(high power
Inverter
factor
(sine wave)
converter)
Step-up
converter
Charging
circuit
1-5 I/O circuit block diagram
Filter
Output
switching
Control
Power supply switch
circuit
Battery At overload/abnormal
During normal operation
During backup operation
1 Preparation
Power supply
output
100/200/
208/220/
230/240 VAC
29
1