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Varispeed CIMR-G7A
YASKAWA Varispeed CIMR-G7A 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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............................
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..........
3-4
74
76
Table of Contents
Default Chapter
1
Instruction Manual
1
General Precautions
2
Safety Information
3
Safety Precautions
4
4 Trial Operation
5
8 Maintenance and Inspection
6
Warranty Information
8
Table of Contents
10
1 Handling Inverters
17
Varispeed G7 Introduction
18
Confirmations Upon Delivery
19
Inverter Specifications
20
Component Names
21
Exterior and Mounting Dimensions
23
Enclosed Wall-Mounted Inverters [NEMA1 (Type 1)]
24
Checking and Controlling the Installation Site
26
Installation Orientation and Space
27
Removing and Attaching the Terminal Cover
28
Removing/Attaching the Digital Operator and Front Cover
29
Mounting the Digital Operator
30
Mounting the Front Cover
30
Removing the Front Cover
30
Inverters of 18.5 Kw or more
32
Removing and Attaching the Protection Cover
33
Attaching the Protection Cover
34
Wiring
35
Connections to Peripheral Devices
36
Connection Diagram
37
Terminal Block Configuration
39
Wiring Main Circuit Terminals
40
Main Circuit Terminal Functions
47
Main Circuit Configurations
48
Standard Connection Diagrams
49
Wiring the Main Circuits
50
Ground Wiring
54
Wire Sizes and Closed-Loop Connectors
56
Wiring Control Circuit Terminals
56
Wiring Method
57
Control Circuit Terminal Functions
58
Control Circuit Terminal Connections
62
Control Circuit Wiring Precautions
63
Wiring Check
64
Installing and Wiring Option Boards
65
Option Board Models and Specifications
65
Pg Speed Control Board Terminals and Specifications
66
Wiring Terminal Blocks
72
Selecting the Number of Pg (Encoder) Pulses
73
Digital Operator and Modes
75
Digital Operator
76
Digital Operator Display
76
Digital Operator Keys
76
Inverter Modes
78
Switching Modes
79
Drive Mode
80
Quick Programming Mode
81
Advanced Programming Mode
83
Verify Mode
86
Autotuning Mode
87
Trial Operation Procedure
90
Trial Operation Procedures
91
Power on
91
Checking the Display Status
92
Basic Settings
93
Settings for the Control Methods
95
Application Settings
103
Loaded Operation
103
Connecting the Load
103
No-Load Operation
103
Check and Recording User Constants
104
Adjustment Suggestions
105
5 User Constants
111
User Constant Descriptions
111
Description of User Constant Tables
111
Digital Operation Display Functions and Levels
112
User Constants Settable in Quick Programming Mode
113
User Constant Tables
117
A: Setup Settings
117
Application Constants: B
119
Autotuning Constants: C
130
Reference Constants: D
136
Motor Constant Constants: E
142
Option Constants: F
148
Terminal Function Constants: H
155
Protection Function Constants: L
167
N: Special Adjustments
177
Digital Operator Constants: O
181
T: Motor Autotuning
185
U: Monitor Constants
186
Factory Settings that Change with the Control Method (A)
195
Factory Settings that Change with the Inverter Capacity (O)
198
6 Constant Settings by Function
203
Frequency Reference
203
Selecting the Frequency Reference Source
203
Using Multi-Step Speed Operation
206
Run Command
209
Selecting the Run Command Source
209
Stopping Methods
211
Selecting the Stopping Method When a Stop Command Is Sent
211
Using the DC Injection Brake
215
Using an Emergency Stop
216
Acceleration and Deceleration Characteristics
217
Setting Acceleration and Deceleration Times
217
Accelerating and Decelerating Heavy Loads (Dwell Function)
221
Related Parameters
222
Adjusting Frequency References
227
Adjusting Analog Frequency References
227
Operation Avoiding Resonance (Jump Frequency Function)
230
Adjusting Frequency Reference Using Pulse Train Inputs
232
Limiting Maximum Output Frequency
233
Limiting Minimum Frequency
233
Improved Operating Efficiency
235
Reducing Motor Speed Fluctuation (Slip Compensation Function)
235
Hunting-Prevention Function
239
Stabilizing Speed (Speed Feedback Detection Function)
240
Machine Protection
241
Reducing Noise and Leakage Current
241
Limiting Motor Torque (Torque Limit Function)
245
Preventing Motor Stalling During Operation
248
Changing Stall Prevention Level During Operation Using an Analog Input
249
Using Frequency Detection: L4-01 to L
249
Detecting Motor Torque
252
Motor Overload Protection
256
Setting Motor Protection Operation Time
258
Motor Overheating Protection Using Ptc Thermistor Inputs
259
Limiting Motor Rotation Direction
261
Continuing Operation
262
Restarting Automatically after Power Is Restored
262
Speed Search
263
Restarting Operation after Transient Fault (Auto Restart Function)
271
Inverter Protection
272
Performing Overheating Protection on Mounted Braking Resistors
272
Reducing Inverter Overheating Pre-Alarm Warning Levels
273
Input Terminal Functions
274
Blocking Inverter Outputs (Baseblock Commands)
275
Control Circuit Terminals
281
Hold Analog Frequency Using User-Set Timing
281
Jog Frequency Operation Without Forward and Reverse Commands
282
Output Terminal Functions
284
Monitor Constants
286
Using the Analog Monitor Constants
286
Using Pulse Train Monitor Contents
288
Individual Functions
290
Communications Specifications
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
Pid Control Applications
303
Pid Control Operation
303
Using Pid Control
303
Monitor Functions
305
Setting Motor Constants
314
Setting the V/F Pattern
317
Torque Control
324
Monitor Function
327
Speed Control (Asr) Structure
332
Fine Adjustments
334
Increasing the Speed Reference Response (Feed Forward Control)
338
Droop Control Function
339
Zero-Servo Function
341
Digital Operator Functions
344
Setting Digital Operator Functions
344
Copying Constants
347
Prohibiting Writing Constants from the Digital Operator
351
Setting a Password
352
Displaying User-Set Constants Only
353
Performing Speed Control with Pg
354
Using Digital Output Boards
358
Using an Analog Reference Board
360
Using a Digital Reference Board
361
Using Inverters for Elevating Machines
366
Brake On/Off Sequence
366
Braking Resistor Overheating Protection
368
Momentary Power Loss Restart
368
Stall Prevention During Deceleration
368
Torque Limit
368
Acceleration/Deceleration Time
369
External Baseblock Signal
369
I/O Open-Phase Protection and Overtorque Detection
369
Magnetic Contactor on the Inverter's Output-Side
369
Control-Related Adjustments
370
Overvoltage Inhibit Function
375
7 Troubleshooting
376
Protective and Diagnostic Functions
377
Fault Detection
377
Alarm Detection
386
Operation Errors
390
Errors During Autotuning
392
Errors When Using the Digital Operator Copy Function
393
If Constant Constants Cannot be Set
394
If the Motor Does Not Operate
395
If the Direction of the Motor Rotation Is Reversed
397
If the Motor Does Not Put out Torque or if Acceleration Is Slow
397
If the Motor Operates Higher than the Reference
397
If the Slip Compensation Function Has Low Speed Precision
398
If Motor Deceleration Is Slow
398
If the Motor Overheats
399
If There Is Noise When the Inverter Is Started or from an am Radio
400
If the Ground Fault Interrupter Operates When the Inverter Is Run
400
If There Is Mechanical Oscillation
400
If the Torque Generated for the Motor Is Insufficient (Insufficient Power)
402
If the Motor Rotates Even When Inverter Output Is Stopped
403
If Output Frequency Does Not Rise to Frequency Reference
403
If Ov Is Detected When the Fan Is Started, or Fan Stalls
403
Daily Inspection
406
Periodic Inspection
406
Outline of Warranty
406
Periodic Maintenance of Parts
407
Procedure for Adjusting Constants after Replacement of Control Board
407
Types and Number of Cooling Fans Used in the Drive
409
Cooling Fan Replacement Outline
410
Circulation Fan Replacement Outline
417
Removing and Mounting the Control Circuit Terminal Board
420
9 Specifications
421
Standard Inverter Specifications
422
Specifications by Model
422
Common Specifications
424
Specifications of Options and Peripheral Devices
426
Varispeed G7 Control Methods
431
10 Appendix Control Methods and Applications
433
Inverter Application Precautions
435
DC Injection Braking
436
Setting the Power Supply Voltage Jumper (400 V Class Inverters of 55 Kw or Higher)
437
Motor Application Precautions
438
Using the Inverter for an Existing Standard Motor
438
Power Transmission Mechanism (Speed Reducers, Belts, and Chains)
439
Using a Braking Resistor Unit
440
Wiring Examples
440
Using the Inverter for Special Motors
439
Using a Braking Unit and Braking Resistor Unit
441
Using Braking Units in Parallel
442
Using a Braking Unit and Three Braking Resistor Units in Parallel
443
Using a Vs Operator
444
Using Contact and Open Collector Outputs
448
User Constants
449
User Constants
454
Revision History
458
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YASKAWA Varispeed CIMR-G7A Specifications
General
Brand
YASKAWA
Model
Varispeed CIMR-G7A
Category
Inverter
Language
English
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