Toshiba VF-AS1, VF-PS1 Commercial Power Supply/Inverter Switching, Standard connection diagram

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E 6 5 8 1 3 6 4

2. Commercial Power Supply/Inverter Switching

The motor runs on commercial power supply under rated operating conditions and when the motor runs in energy saving mode with its input power frequency lowered, this circuit switches the motor to the inverter power without stopping the motor.

2.1. Standard connection diagram

 

 

 

 

 

 

 

MC1 *2

 

 

 

 

 

 

PO

PA/+

PC/-

PB

 

 

 

 

 

 

 

 

 

 

 

For motor protection

MCCB

MC2

*3

 

 

 

MC3

*2

THR *4

R/L1

 

 

U/T1

 

 

 

 

 

 

 

 

Motor

 

 

S/L2

 

 

V/T2

 

 

 

 

Main circuit

 

 

I M

 

 

 

 

 

 

 

 

T/L3

 

 

W/T3

 

 

 

Control power supply

 

 

F

Run

 

 

 

command

backup option *1

 

 

R

 

 

+SU

 

ST

Stand-by *7

 

FLA

 

RES

Reset *6

 

 

 

 

 

FLB

Control

S1

 

 

 

circuit

S2

Emergency

 

FLC

FL

stop *5

 

Protective action

S3

Commercial run

 

 

 

P24/PLC

detection relay

 

switching signal

 

 

 

 

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 2.2, “Precautions.”

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

*3: See Item 2 in 2.2, “Precautions.”

'ST' function.

 

*4: Be careful about Items 3 in 2.2, “Precautions.”

 

 

 

*5: Be careful about Items 5 and 7 in 2.2, “Precautions.”

f110

(Always ON function selection 1)

= 0

*6: Be careful about Item 6 in 2.2, “Precautions.

f115

(Input terminal function selection: S1)

= 6

7

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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 Precautions Commercial Power Supply/Inverter Switching Standard connection diagram Precautions
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