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Varispeed f7
YASKAWA Varispeed f7 User Manual
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Digit
al Operator and Modes
This chapter describes Digital Operator displa
ys and
functions, and provides an overview of
operating modes and switching between m
odes.
Digital Operator
........
............................
..............
..........
3-2
Modes
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..............
............................
..........
3-4
76
78
Table of Contents
Default Chapter
2
General Precautions
2
Safety Information
3
Confirmations Upon Delivery
4
Safety Precautions
4
Maintenance and Inspection
6
Warranty Information
9
Table of Contents
11
1 Handling Inverters
18
Varispeed F7 Introduction
19
Varispeed F7 Applications
19
Varispeed F7 Models
19
Confirmations Upon Delivery
21
Checks
21
Nameplate Information
21
Inverter Specifications
22
Component Names
23
Exterior and Mounting Dimensions
24
Open Chassis Inverters (IP00)
24
Enclosed Wall-Mounted Inverters [NEMA1 (Type 1)]
25
Checking and Controlling the Installation Site
27
Installation Site
27
Controlling the Ambient Temperature
27
Protecting the Inverter from Foreign Matter
27
Installation Orientation and Space
28
Removing and Attaching the Terminal Cover
29
Removing the Terminal Cover
29
Attaching the Terminal Cover
29
Removing/Attaching the Digital Operator and
30
Inverters of 18.5 Kw or Less
30
Mounting the Digital Operator
31
Mounting the Front Cover
31
Removing the Front Cover
31
Inverters of 22 Kw or more
33
Removing and Attaching the Protection Cover
34
Removing the Protection Cover
34
Attaching the Protection Cover
35
2 Wiring
36
Connections to Peripheral Devices
37
Connection Diagram
38
Terminal Block Configuration
40
Wiring Main Circuit Terminals
41
Applicable Wire Sizes and Closed-Loop Connectors
41
Main Circuit Terminal Functions
47
Main Circuit Configurations
48
Standard Connection Diagrams
49
Wiring the Main Circuits
50
Ground Wiring
54
Wiring Control Circuit Terminals
58
Wire Sizes and Closed-Loop Connectors
58
Wiring Method
59
Control Circuit Terminal Functions
60
Control Circuit Terminal Connections
64
Control Circuit Wiring Precautions
65
Wiring Check
66
Checks
66
Installing and Wiring Option Boards
67
Option Board Models and Specifications
67
Installation
68
PG Speed Control Board Terminals and Specifications
69
Wiring
71
Wiring Terminal Blocks
74
Selecting the Number of PG (Encoder) Pulses
75
3 Digital Operator and Modes
77
Digital Operator
78
Digital Operator Display
78
Digital Operator Keys
78
Modes
80
Inverter Modes
80
Switching Modes
81
Drive Mode
82
Quick Programming Mode
83
Advanced Programming Mode
84
Verify Mode
86
Autotuning Mode
87
4 Trial Operation
89
Trial Operation Procedure
90
Trial Operation Procedures
91
Application Confirmation
91
Setting the Power Supply Voltage Jumper (400 V Class Inverters of 75 Kw or Higher)
91
Power on
91
Checking the Display Status
92
Basic Settings
93
Settings for the Control Methods
95
Autotuning
97
Application Settings
104
No-Load Operation
104
Loaded Operation
104
Check and Recording User Constants
105
Adjustment Suggestions
106
5 User Constants
109
User Constant Descriptions
110
Description of User Constant Tables
110
Digital Operation Display Functions and Levels
111
User Constants Settable in Quick Programming Mode
112
User Constant Tables
116
A: Setup Settings
116
Application Constants: B
118
Autotuning Constants: C
128
Reference Constants: D
134
Motor Constant Constants: E
140
Option Constants: F
146
Terminal Function Constants: H
153
Protection Function Constants: L
163
N: Special Adjustments
174
Digital Operator Constants: O
177
T: Motor Autotuning
181
U: Monitor Constants
182
Factory Settings that Change with the Control Method (A1-02)
189
Factory Settings that Change with the Inverter Capacity (O2-04)
191
6 Constant Settings by Function
196
Application and Overload Selections
197
Select the Overload to Suit the Application
197
Carrier Frequency
199
Frequency Reference
201
Selecting the Frequency Reference Source
201
Using Multi-Step Speed Operation
205
Varispeed F7 Function Block
208
Run Command
210
Selecting the Run Command Source
210
Stopping Methods
212
Selecting the Stopping Method When a Stop Command Is Sent
212
Using the DC Injection Brake
217
Using an Emergency Stop
219
Acceleration and Deceleration Characteristics
220
Setting Acceleration and Deceleration Times
220
Accelerating and Decelerating Heavy Loads (Dwell Function)
224
Preventing the Motor from Stalling During Acceleration (Stall Prevention During Acceleration Function)
225
Related Parameters
225
Preventing Overvoltage During Deceleration (Stall Prevention During Deceleration Function)
227
Preventing Overvoltage by Automatically Reducing the Regenerative Torque Limit (Overvoltage Inhibit Function, SPEC: E or Later Only)
228
Adjusting Frequency References
230
Adjusting Analog Frequency References
230
Operation Avoiding Resonance (Jump Frequency Function)
233
Adjusting Frequency Reference Using Pulse Train Inputs
235
Speed Limit (Frequency Reference Limit Function)
236
Limiting Maximum Output Frequency
236
Limiting Minimum Frequency
236
Improved Operating Efficiency
238
Reducing Motor Speed Fluctuation (Slip Compensation Function)
238
Compensating for Insufficient Torque at Startup and Low-Speed Operation (Torque Compensation)
240
Hunting-Prevention Function
242
Stabilizing Speed (Speed Feedback Detection Function)
243
Machine Protection
244
Limiting Motor Torque (Torque Limit Function)
244
Preventing Motor Stalling During Operation
247
Changing Stall Prevention Level During Operation Using an Analog Input
248
Using Frequency Detection
248
Detecting Motor Torque
251
Changing Overtorque and Undertorque Detection Levels Using an Analog Input
254
Motor Overload Protection
255
Setting Motor Protection Operation Time
257
Motor Overheating Protection Using PTC Thermistor Inputs
258
Limiting Motor Rotation Direction
260
Continuing Operation
261
Restarting Automatically after Power Is Restored
261
Speed Search
262
Continuing Operation at Constant Speed When Frequency Reference Is Lost
269
Restarting Operation after Transient Fault (Auto Restart Function)
269
Inverter Protection
271
Performing Overheating Protection on Mounted Braking Resistors
271
Reducing Inverter Overheating Pre-Alarm Warning Levels
272
Input Terminal Functions
273
Temporarily Switching Operation between Digital Operator and Control Circuit Terminals
273
Blocking Inverter Outputs (Baseblock Commands)
274
Stopping Acceleration and Deceleration (Acceleration/Deceleration Ramp Hold)
275
Raising and Lowering Frequency References Using Contact Signals (UP/DOWN)
276
Accelerating and Decelerating Constant Frequencies in the Analog References (+/- Speed)
279
Hold Analog Frequency Using User-Set Timing
280
Switching Operations between a Communications Option Board and Control Circuit Terminals
280
Jog Frequency Operation Without Forward and Reverse Commands (FJOG/RJOG)
281
Stopping the Inverter by Notifying Programming Device Errors to the Inverter (External Fault Function)
282
Output Terminal Functions
283
Monitor Constants
285
Using the Analog Monitor Constants
285
Using Pulse Train Monitor Contents
288
Individual Functions
290
Using MEMOBUS Communications
290
Communications Connection Terminal
291
Message Format
293
Monitor Data
297
Enter Command
299
Error Codes
300
Slave Not Responding
300
Using the Timer Function
302
Using PID Control
303
Monitor Functions
305
Energy-Saving
312
Setting Motor Constants
314
Setting the V/F Pattern
316
Torque Control (SPEC: E or Later Only)
323
Speed Control (ASR) Structure
330
Fine Adjustments
332
Increasing the Speed Reference Response (Feed Forward Control) (SPEC: E or Later Only)
336
Droop Control Function (SPEC: E or Later Only)
337
Zero-Servo Function (SPEC: E or Later Only)
339
Digital Operator Functions
342
Setting Digital Operator Functions
342
Copying Constants
345
Prohibiting Writing Constants from the Digital Operator
349
Setting a Password
349
Displaying User-Set Constants Only
350
Options
351
Performing Speed Control with PG
351
Using Digital Output Boards
355
Using an Analog Reference Board (SPEC: E or Later Only)
357
Using a Digital Reference Board (SPEC: E or Later Only)
358
Using Inverters for Elevating Machines
363
Brake ON/OFF Sequence
363
Autotuning
365
Braking Resistor Overheating Protection
365
Momentary Power Loss Restart
365
Stall Prevention During Deceleration
365
Torque Limit
365
Acceleration/Deceleration Time
366
External Baseblock Signal
366
I/O Open-Phase Protection and Overtorque Detection
366
Magnetic Contactor on the Inverter's Output-Side
366
Control-Related Adjustments
367
Reducing Shock During Elevating Machine Start, Stop, Acceleration, and Deceleration
369
Confirming Startup Current and Reducing Carrier Frequency
372
Overvoltage Inhibit Function (SPEC: E or Later Only)
372
7 Troubleshooting
373
Protective and Diagnostic Functions
374
Fault Detection
374
Alarm Detection
381
Operation Errors
385
Errors During Autotuning
387
Errors When Using the Digital Operator Copy Function
388
Troubleshooting
390
If Constant Constants Cannot be Set
390
If the Motor Does Not Operate
391
If the Direction of the Motor Rotation Is Reversed
393
If the Motor Does Not Put out Torque or if Acceleration Is Slow
393
If the Motor Operates Higher than the Reference
393
If the Slip Compensation Function Has Low Speed Precision
394
If There Is Low Speed Control Accuracy at High-Speed Rotation in Open-Loop Vector Control Method
394
If Motor Deceleration Is Slow
394
If the Motor Overheats
395
If There Is Noise When the Inverter Is Started or from an am Radio
396
If the Ground Fault Interrupter Operates When the Inverter Is Run
396
If There Is Mechanical Oscillation
396
If the Torque Generated for the Motor Is Insufficient (Insufficient Power)
397
If the Motor Rotates Even When Inverter Output Is Stopped
398
If OV Is Detected When the Fan Is Started, or Fan Stalls
398
If Output Frequency Does Not Rise to Frequency Reference
398
8 Maintenance and Inspection
399
Maintenance and Inspection
400
Outline of Free Warranty
400
Daily Inspection
400
Periodic Inspection
400
Periodic Maintenance of Parts
401
Procedure for Adjusting Constants after Replacement of Control Board
401
Types and Number of Cooling Fans Used in the Drive
402
Cooling Fan Replacement Outline
404
Circulation Fan Replacement Outline
411
Removing and Mounting the Control Circuit Terminal Board
414
9 Specifications
415
Standard Inverter Specifications
416
Specifications by Model
416
Common Specifications
418
Specifications of Options and Peripheral Devices
419
10 Appendix
423
Varispeed F7 Control Methods
424
Control Methods and Features
424
Varispeed F7 Control Methods
425
Control Methods and Applications
426
Inverter Application Precautions
428
Selection
428
Installation
429
Settings
429
Handling
429
Motor Application Precautions
431
Using the Inverter for an Existing Standard Motor
431
Using the Inverter for Special Motors
432
Power Transmission Mechanism (Speed Reducers, Belts, and Chains)
432
Conformance to UL Standard
433
Conformance to CE Markings
435
CE Markings
435
Requirements for Conformance to CE Markings
435
Emc Directive
439
Wiring Examples
444
Using a Braking Resistor Unit
444
Using a Braking Unit and Braking Resistor Unit
445
Using Braking Units in Parallel
446
Using a Braking Unit and Three Braking Resistor Units in Parallel
447
Using a VS Operator
448
Using Transistors for Input Signals and a 0-V Common in Sinking Mode with an Internal Power Supply
449
Using Transistors for Input Signals and a +24-V Common in Sourcing Mode
450
Using Transistors for Input Signals and a 0-V Common in Sinking Mode with an External Power Supply
451
Using Contact and Open Collector Outputs
452
User Constants
453
Revision History
462
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5
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YASKAWA Varispeed f7 Specifications
General
Brand
YASKAWA
Model
Varispeed f7
Category
Inverter
Language
English
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