Toshiba VF-AS1 - Manual (Page 6)

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1.2.1. Switching circuit connection diagram, Time chart,
Parameter settings
ON
Setting
frequency
Speed detection time
Inverter
trip occurs
Frequency after speed is
detected
P24-OUT1(RY1)
for inverter
run
output
P24-OUT2(RY2)
for commercial
power run
output
Run signal
F-CC
Stand-by signal
ST-CC
Reset signal
RES-CC
Inverter-side switching
wait time 
*2
Commercial power
switching wait time  
Inverter run Commercial power run Inverter run
ON
ON
ON
ON
ON
0Hz
Ｙ - Switching timer
F L
FLA FLC
FLX
X
MC3
MC1
F
OFF ON
X
MC2
RY2
(Commercial
power)
MC3 X
X
MCY
MCD
MCD
MCY
MC1
Inverter protective
action signal
MC2
RY1
(Inverter)