Toshiba VF-PS1, VF-AS1 instruction manual Standard connection diagram Star-delta switching start

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E 6 5 8 1 3 6 4

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.

MC1 *2

 

 

PO

PA/+

PC/-

PB

 

 

 

 

 

 

 

 

 

 

For motor protection

 

MCCB

MC2

*3

 

 

U/T1

MC3 *2

THR *4

MCY

 

 

R/L1

 

 

 

Motor

 

 

 

 

 

 

 

 

 

 

 

S/L2

Main circuit

V/T2

 

I M

 

 

 

 

 

 

 

 

 

T/L3

 

 

W/T3

 

 

 

 

 

 

 

 

 

 

MCD

 

Control power supply

 

 

 

F

 

Run

 

 

 

 

 

 

command

 

backup option *1

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

+SU

 

 

ST

 

Stand-by *7

 

 

 

 

 

 

 

 

 

 

FLA

 

 

RES

 

Reset *6

 

 

 

 

 

 

 

 

 

 

 

FLB

 

Control

S1

 

 

 

 

 

 

FL

circuit

S2

 

Emergency

 

 

 

FLC

 

 

stop *5

 

 

 

 

 

S3

 

 

 

 

 

 

Protective action

 

 

 

 

 

P24/PLC

 

 

 

 

 

 

detection relay

 

 

 

 

 

RY1

OUT1

 

 

CC

 

Common

 

 

 

 

 

 

 

 

 

RY2

OUT2

 

 

G / E

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

CC

 

 

 

 

 

 

 

 

OUT1 FM AM CCA RX VI/II RR/S4 PP

 

 

 

*1: The control power supply backup option (Model: CPS002Z) is needed.

*7: VF-AS1's 'WP1/WN1' model and VF-PS1 don't have 'ST'

*2: Observe the Item 1 in 1.3, “Precautions.”

terminal. Please set next parameter for use 'S3' terminal as

*3: See Item 2 in 1.3, “Precautions.”

'ST' function.

 

*4: Be careful about Items 3 in 1.3, “Precautions.”

 

 

 

*5: Be careful about Items 5 and 7 in 1.3, “Precautions.”

f110

(Always ON function selection 1)

= 0

*6: Be careful about Item 6 in 1.3, “Precautions.

f117

(Input terminal function selection: S3)

= 6

4

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Contents Tosvert VF-AS1/PS1 5 8 1 3 6 Contents Commercial Power Supply Backup  *3 Standard connection diagram Star-delta switching start FLA  PrecautionsStandard connection diagram Commercial Power Supply/Inverter Switching Precautions
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