Toshiba VF-PS1 User Manual

 

E 6 5 8 1 3 6 4  

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.

 

 
 
 
 
 
 
 
 

FL

G / E

F 

RES

CC

R/L1 

S/L2 

T/L3 

U/T1

V/T2

W/T3

FLC 

FLB 

FLA

S1

ST

R 

S2

S3

OUT2 

P24/PLC 

OUT1 

RY2 

PO 

PB

PC/- 

PA/+

 

Main circuit 

MCCB 

RY1

MC3 

*2

MC2 

*3

 

MC1 

*2

 

MCY

MCD

For motor protection
 THR 

*4

 

Motor

Run  
command 

Stand-by 

*7 

Reset 

*6 

Emergency  
stop 

*5 

Protective action 

detection

 

relay

 

Common 

+SU 

Control 

circuit

CCA RX VI/II RR/S4 PP

AM

FM 

OUT1 

NO 

CC 

*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.

 

Control power supply 

backup option 

*1

 

*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)   

= 0 

  f117 (Input terminal function selection: S3)    = 6