Omron SYSDRIVE RX Series User Manual page 193

Examples of connections and timing of commercial switching operation
NFB
Timing example of switching from
Inverter to commercial power
MC1 ON
MC2 ON
MC3
ON
ON
FW
CS ON
Inverter output
Operation
frequency
MC2
ELBC
MC1
R
S
T
Ro
To
FS
FV
FC
FWY
FW
RVY RV
CS
CSY
SC
THRY
MC3
U
Motor
V
W
MA
MB
MC
Timing example of switching from
commercial power to Inverter
MC1 ON
Interlock time of MC2 and MC3
(0.5 to 1 s)
MC2
MC3 ON
FW
CS ON
0.5 to 1 s
Operates after frequency matching.
4-2 Function Mode
OFF
Retry wait time b003
Operation
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