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Inverter
Tosvert VF-A3
Instruction manual
Toshiba TOSVERT VF-A3 Instruction Manual
High performance inverter
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Instruction manual
(132 pages)
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Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
Chapter 1 Installation and Operation
Installation
Wiring Connection
Operation Panel
Simplified Operation
Chapter 3 Various Operating Functions
Functions and Adjustments
First Functions
Second Functions
Frequency Setting
Status Monitoring
Monitoring During a Run or When Halted
Monitoring Trip Status
Standard Setting Mode
Setting Voltage/Frequency Characteristics
Maximum Frequency
Torque Boost
Automatic Torgue Boost
Base Frequency
F Patterns
Acceleration/Deceleration Time
Connections for Operating the Inverter by External Signals
External Signal Connections
Terminal Connections
Forward/Reverse Run, Coasting Stop, and Emergency Stop Operations
Operation Via the Inverter's Control
External Signal Operation
Types of Frequency Setting Signals
Frequency Setting Signals
Operaiton Via the VF-A3'S Control Panel
Multispeed Ru~S
Panel Controlled Operation
External Signal Operation
Frequency Jump [FJ/, Bfj/--FJ3. Bfj3 ]
Start-Up Frequency
Operation Starting Frequency
DC Injection Braking [Dbf, Dbu, Dbt]
Regenerative Braking
Data Storage Function [ I.no.]
Output Voltage Regulation [Po Aut]
Simplified Patterned Run Operation [Pt.jt,Pt.I-Pt. 7T
PWM Carrier Frequency Switching [ [F ]
Command Modes [[.Fwd]
Frequency Setting Mode[F.nod]
Paramenter Setting Mode
PI Control [Fb. PI, CP, CI, CR, CF5]
Signals and Connections for Automatic Operation
Connection of Signals
Operation Signals
Terminal Selection
Selection of Input Terminals U
Upper and Lower Limit Frequency Signal Output [ UL. L L ]
Low-Speed and Speed-Reach Signal Output [LF, ,[H, ,,[H, F
Connecting a Frequency Meter [F N ]
Ammeter Connections [ Rn ]
Fault-Detection Signal Terminals
Reset Signal Terminals
Resetting the Inverter Via the Operating Panel
Resetting with an External Signal
Vf-A3 Specircations
Standard Specifications
External Dimensions
Protective Functions
Electronic Thermal Function [I
Stall Prevention Function [51: L ]
Selection of Electronic Thermal Characteristics
Retention of System Status
Restart Try Function [ ,-1:,- ' : :I ]
Power Control Function for Momentary Power Failuer. [Uu
Summary of Settings and Adjustments
Optional Units
Options for External Installation
Writing Precautions
Installation Site and Operating Environment
Main Circuit Connections
Power Supply to the Inverter
Motor to the Inverter to a Ground Terminal
Between the Inverter and the Regenerative Discharge Resistor/Regenerative Discharge Unit
Wiring Specifications
Control Signal Circuit Wiring
Fault Messages
Fault Messages
Symptoms of Common Motor Problems
Inspections and Maintenance
Preventive Maintenance and Periodic Inspection
Storing the Inverter
Terms of Warranty
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TOSHIBA
Instruction Manual
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High Performance Inverter
TOSVERT
VF-A3
200V class
O.4--55kW
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400V class O.75--75kW
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