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Toshiba VF-AS1 Instruction Manual

Toshiba commercial power supply backup and commercial power supply/inverter switching instruction manual.

 
TOSVERT VF-AS1/PS1
Commercial Power Supply Backup and
Instruction Manual
Technical information described in this document is used to explain typical operations and
applications of products, and this is not intended to grant warranty or licensing right on its
use regarding TOSHIBA group or a third party intellectual property and other right.
E 6 5 8 1 3 6 4 ②

Summary of Contents

  • Page 1

    Technical information described in this document is used to explain typical operations and applications of products, and this is not intended to grant warranty or licensing right on its use regarding TOSHIBA group or a third party intellectual property and other right. E 6 5 8 1 3 6 4 ②...

  • Page 2: Table Of Contents

    1. Commercial Power Supply Backup... 2 1.1. Standard connection diagram... 2 1.1.1. Switching circuit connection diagram, Time chart, Parameter settings ... 3 1.2. Standard connection diagram (Star-delta switching start) ... 4 1.2.1. Switching circuit connection diagram, Time chart, Parameter settings ... 5 1.3.

  • Page 3: Standard Connection Diagram

    Protective action detection relay P24/PLC OUT1 OUT2 CCA RX VI/II RR/S4 PP OUT1 *7: VF-AS1's 'WP1/WN1' model and VF-PS1 don't have 'ST' E 6 5 8 1 3 6 4 For motor protection U/T1 V/T2 W/T3 command Stand-by Reset...

  • Page 4: Switching Circuit Connection Diagram, Time Chart, Parameter Settings

    1.1.1. Switching circuit connection diagram, Time chart, Parameter settings Inverter protective action signal (Inverter) (Commercial power) Title Output signal selection of commercial  power/inverter switching   Inverter side switching waiting time Commercial power side switching waiting   time ...

  • Page 5: Standard Connection Diagram (star-delta Switching Start), Precautions

    G / E OUT2 OUT1 CCA RX VI/II RR/S4 PP *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...

  • Page 6

    1.2.1. Switching circuit connection diagram, Time chart, Parameter settings Inverter protective action signal (Inverter) (Commercial power) Y-△Switching timer Setting frequency 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 E 6 5 8 1 3 6 4 Inverter trip occurs...

  • Page 7

    Title Output signal selection of commercial  power/inverter switching   Inverter side switching waiting time Commercial power side switching waiting   time   Input terminal selection #6 (S2)  Output terminal selection #1 (OUT1)  Output terminal selection #2 (OUT2) *1:Be careful about Items 5 and 7 in 1.3, “Precautions.”...

  • Page 8: Commercial Power Supply/inverter Switching, Standard Connection Diagram, Precautions

    Protective action detection relay P24/PLC OUT1 OUT2 CCA RX VI/II RR/S4 PP OUT1 *7: VF-AS1's 'WP1/WN1' model and VF-PS1 don't have 'ST' E 6 5 8 1 3 6 4 For motor protection U/T1 V/T2 W/T3 command Stand-by Reset...

  • Page 9

    2.1.1. Switching circuit connection diagram, Time chart, Parameter settings Inverter protective action signal (Commercial (Inverter) power) RY1(Inverter) RY2(Commercial power) Title Output signal selection of commercial  power/inverter switching Commercial power/inverter switching  frequency   Inverter side switching waiting time Commercial power side switching waiting ...

  • Page 10

    2.2. Precautions 1. Make sure to interlock the magnetic contactor (MC3) on the inverter output side with the commercial power supply magnetic contactor (MC1). 2. Magnetic contactor (MC2) can be omitted for normal operation but this is needed to isolate the inverter circuit in case a short-circuit fault occurs inside the inverter.

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