Standard Connection Diagram (Star-Delta Switching Start) - Toshiba TOSVERT VF-AS1 Instruction Manual

1.2. Standard connection diagram (Star-delta switching start)

This is the circuit to switch the motor to commercial power supply Star Delta (star-delta) connection
startup when the inverter's protective function is activated.
MCCB
Control power supply
backup option
*1: The control power supply backup option (Model: CPS002Z) is needed.
*2: Observe the Item 1 in 1.3, "Precautions."
*3: See Item 2 in 1.3, "Precautions."
*4: Be careful about Items 3 in 1.3, "Precautions."
*5: Be careful about Items 5 and 7 in 1.3, "Precautions."
*6: Be careful about Item 6 in 1.3, "Precautions.
PO PA/+
*3
MC2
R/L1
S/L2
Main circuit
T/L3
*1
+SU
FLA
FLB
FL
FLC
Protective action
P24/PLC
detection relay
RY1
OUT1
OUT2
RY2
NO
CC
OUT1 FM AM CCA RX VI/II RR/S4 PP
*2
MC1
PC/- PB
MC3
U/T1
V/T2
W/T3
F
R
ST
RES
S1
Control
circuit
S2
S3
CC
G / E
*7: VF-AS1's 'WP1/WN1' model and VF-PS1 don't have 'ST'
terminal. Please set next parameter for use 'S3' terminal as
'ST' function.
f110 (Always ON function selection 1)
f117 (Input terminal function selection: S3) = 6
4
E 6 5 8 1 3 6 4
For motor protection
*4
THR
*2
Motor
I M
MCD
Run
command
*7
Stand-by
*6
Reset
Emergency
*5
stop
Common
MCY
= 0