Toshiba Tosvert VF-A3 Manuals

Manuals and User Guides for Toshiba Tosvert VF-A3. We have 2 Toshiba Tosvert VF-A3 manuals available for free PDF download: Instruction Manual

Toshiba Tosvert VF-A3 Instruction Manual (132 pages)

High Performance Inverter

Brand: Toshiba | Category: Inverter | Size: 4.52 MB

Introduction
2
Check Your Equipment
3
Inverter Model Code
3
Remarks
5
Table of Contents
6
Installation and Operation
9
Installation
10
Installation Clearances for the VF-A3
10
Wiring Connections
11
How to Open the Front Cover
11
Terminals for Connecting the VF-A3 to the Power Supply and to a Motor
12
Schematic Diagram
13
Standard Connection
14
Simplified Operation
15
Operating Panel
16
Operating Keys
17
Setting and Monitoring Keys
18
Operation Procedure
20
Various Operating Functions
22
Functions and Adjustments
23
First and Second Functions
24
First Functions
29
Second Functions
30
Frequency Setting
31
Status Monitoring
33
Monitoring During a Run or When Halted
33
Monitoring During a Run or a Satndstill
34
Monitoring Trip Status
38
Monitoring Tripped Status
38
Monitoring Details of Faults
40
Standard Setting Mode
41
Standard Setting Patterns
41
Setting Voltage/Frequency Characteristics
42
Maximum Frequency
43
Setting Maximum Frequency
43
Torque Boost
44
Setting to Increase Start-Up Torque
44
Automatic Torque Boost
45
Base Frequency
46
Setting Base Frequency
46
V/F Patterns
47
Setting V/F Patterns
47
Acceleration/Deceleration Time
48
Acc/Dec Patterns
48
Deceleration Patterns
49
Connections for Operating the Inverter by External Signals
51
External Signal Connections
51
Terminal Connections
54
Forward/Reverse Run, Coasting Stop, and Emergency Stop Operations
56
Operation Via the Inverter's Panel Control
56
External Signal Operation
57
Forwsrd and Reverse Runs Switches
57
Timing Chart for Forward/Reverse Run Operation
58
Terminal Inputs and Actions
59
Frequency Setting Signals (Setting with External Signals)
59
Types of Frequency Setting Signals
59
Terminals for Setting Output Frequency from an External Device
59
Operation Via the VF-A3'S Control Panel
60
Operation the Inverter Via External Signals
60
Connecting a JOG Switch and Associated Switches
61
Example of a Jogging Run Using a JOG Switch
61
Multispeed Runs
62
Panel Controlled Operation
62
External Signal Operation
63
Timing Chart Showing Multispeed Run
64
Terminal Connections with Switches for Multispeed Controls
64
Frequency Jump
65
Frequency Jump Settings
65
Start-Up Frequency
65
Start Frequency
66
Operation Starting Frequency
66
DC Injection Braking
67
Timing Chart Showing an Example of a DC Injection Braking Operation
67
Regenerative Braking
68
Connection and Setting of Regenerative Braking
69
Universal Unit Setting and Display
70
Data Storage Function
71
Output Voltage Reduction and Output Voltage Regulation
71
Simplified Patterned Run Operation
72
Connection of the Patterned Run Switches
73
Timing Chart Showing a Example of a Simplified Patterned Run Operation
74
PWM Carrier Frequency Switching
75
Command Modes
76
Frequency Setting Mode
76
Parameter Setting Mode
77
PI Control
77
Block Diagram
78
Example of Pressure Constant Control
79
Signals and Connections for Automatic Operation
80
Connections of Signals
81
Operation Signals
81
Example of Transistorized Output Connected to the VF-A3 Inverter's Output Terminals
81
Terminal Selection
82
Selection of Input Terminals
82
Input Terminals and Corresponding Operating Frequency
83
Selection of Output Terminals
84
Example Inverter-To-Relay Connections for Reach Signal Detection
84
Example Inverter-To-Programmable Controller Connections for Reach Signal Detection
85
Upper and Lower Limit Frequency Signal Outputs
85
Example Operation with Upper and Lower Limit Frequency Signal Outputs
85
Low-Speed and Speed-Reach Signal Outputs
86
Example Operation with Low-Speed and Speed-Reach Signals
86
Meter Connection
87
Connecting a Frequency Meter
87
Ammeter Connections
88
Terminals for Connecting a Frequency Meter to the Inverter
88
Fault-Detection Signal Terminals
89
Terminals to Use for Connecting an Ammeter to the Niverter
89
Reset Signal Terminals
89
Resetting the Inverter Via the Operating Panel
90
Resetting with an External Signal
90
Conections for the Inverter's Reset Switch
90
VF-A3 Specifications
91
Specifications
92
Standard Specifications
92
External Dimensions
94
External Dimensions of Nine Models of the VF-A3
94
Outline Drawing (A)
95
Outline Drawing (B)
95
Outline Drawing (C)
95
Screw Sizes of the Main Circuit and Control Circuit Are as Follows
95
Protective Functions
96
Electronic Thermal Function
96
Stall Prevention Function
96
Electronic Thermal Function Activation Characteristics
96
Selection of Electronic Thermal Characteristics
97
Electronic Thermal Activation Characteristics for Standard Motors
97
Electronic Thermal Activation Characteristics for VF Motors
98
Retention of System Status
98
Restart Try Function
99
Causes of Faults and Retry Processes
99
Automatic Restart Function (after Instantaneous Power Interruption)
100
Power Control Function for Momentary Power Failure
101
Summary of Settings and Adjustments
102
Functions of Jumpers JP1 and JP2
103
Function of Jumper JP3
104
Leds Used for the Inverter's Monitor Display
106
Alphanumerics Used for the Monitor Display
107
Optional Units
108
Options for External Installation
109
Optional Units for External Installation
109
Built-In Options
110
Built-In Type Options
111
Writing Precautions
113
Installation Site and Operating Environment
114
Main Circuit Connections
114
Power Supply to the Inverter
114
Terminal Connections for the Main Circuit Components (200V Class)
116
Motor to the Inverter to a Ground Terminal
116
Between the Inverter and the Regenerative Discharge Resistor/Regenerative Discharge Unit
117
Wiring Specifications
118
Models and Ratings of the Inverter's Main Circuit Parts
118
Example Selection of Wires for Inverter Connections
119
Control Signal Circuit Wiring
120
Fault Messages
121
Fault Messages and Their Corrective Measures
122
Symptoms of Common Motor Problems
124
Symptoms of Common Motor Problems and Recommended Countermeasures
125
Inspections and Maintenance
126
Preventive Maintenance and Periodic Inspection
127
Recommended Voltmeters
128
Storing the Inverter and Terms of Warranty
129
Storing the Inverter
130

Toshiba Tosvert VF-A3 Instruction Manual (131 pages)

High Performance Inverter

Brand: Toshiba | Category: Inverter | Size: 3.79 MB

Table of Contents
6
Chapter 1 Installation and Operation

10
- Installation
  10
- Wiring Connection
  11
- Operation Panel
  16
- Simplified Operation
  16
Chapter 3 Various Operating Functions

23

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Toshiba Tosvert VF-A3 Manuals

Toshiba Tosvert VF-A3 Instruction Manual (132 pages)

Table of Contents

Toshiba Tosvert VF-A3 Instruction Manual (131 pages)

Table of Contents

Chapter 1 Installation and Operation

Chapter 3 Various Operating Functions

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