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Toshiba VF-AS1 manual

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Table of contents for the manual

  • Page 1

    E6581364 ② T OSVER T VF-AS1/PS1 Commercial Power Supply Backup and Commercial Power Supply/Inverter Switching Instruction Manual T echnical information described in this document is used to e xplain typical operations and applications of products, and this is not intended to grant warranty or licensing right on its use regarding T OSHIBA group or[...]

  • Page 2

    E6581364 1 - Contents - 1. Commercial Power Supply Ba ckup ..................................................................................... 2 1.1. S t andard connection diagram............................................................................................... ....... 2 1.1.1. Switching circuit connection diagram, T ime chart, Param[...]

  • Page 3

    E6581364 2 1. Commercial Power Supply Backup When the inverter ’s protective function is activated, switching power to commercial power supply makes the motor run immediately . 1.1. S t andard connection diagram *1: The control power supply backup option (Mod el: CPS002Z) is needed. *2: Observe the Item 1 in 1.3, “P recautions.” *3: See Item [...]

  • Page 4

    E6581364 3 1.1.1. Switching circuit connection diagram, T i me chart, Parameter settings T itle Function Adjustment range Setting value  Output signal selection of commercia l power/inverter switching 0 to 3 1 (Automatic switching in case of trip)  *3  Inverter side switching w ait ing time 0.1 to 10.0 seconds Differen[...]

  • Page 5

    E6581364 4 1.2. S t andard connection diagram (S tar-delt a switching st art) This is the circuit to switch the motor to commercial power supply S tar Delt a (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 [...]

  • Page 6

    E6581364 5 1.2.1. Switching circuit connection diagram, T i me chart, Parameter settings ON Setting frequency S p eed detection time Inverte r trip occurs Frequency after speed is detected P24-OUT1(RY1) for inverter run output P24-OUT2(RY2) for commercial power run output Run signal F-CC S tand-by signal ST -CC Reset signal RES-CC Inverter-side swi[...]

  • Page 7

    E6581364 6 Ti tl e Function Adjustment range Setting value  Output signal selection of com mercial power/inverter switching 0 to 3 1 (Automatic switchi ng when tripped)  *3  Inverter side switching w ait ing time 0.1 to 10.0 seconds Different for each model  *3  Commercial power side s w it ching waiting[...]

  • Page 8

    E6581364 7 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. S t andard connection diagram *1: The contro[...]

  • Page 9

    E6581364 8 2.1.1. Switching circuit connection diagram, T i me chart, Parameter settings T itle Function Adjustment range Setting value  Output signal selection of com mercial power/inverter switching 0 to 3 2 or 3  Commercial power/in verter switching frequency 0 to  Power supply fr equency  *3  I[...]

  • Page 10

    E6581364 9 2.2. Precautions 1. Make sure to interlock the magne tic cont actor (MC3) on the inverter output side with th e 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 . Exa[...]