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FR-E720-2.2KNC
Mitsubishi Electric FR-E720-2.2KNC Manuals
Manuals and User Guides for Mitsubishi Electric FR-E720-2.2KNC. We have
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Mitsubishi Electric FR-E720-2.2KNC manual available for free PDF download: Instruction Manual
Mitsubishi Electric FR-E720-2.2KNC Instruction Manual (286 pages)
Brand:
Mitsubishi Electric
| Category:
Inverter
| Size: 13.97 MB
Table of Contents
Table of Contents
4
1 Outline
12
Product Checking and Parts Identification
13
Inverter and Peripheral Devices
14
Peripheral Devices
15
Removal and Reinstallation of the Cover
16
Front Cover
16
Wiring Cover
18
Installation of the Inverter and Enclosure Design
19
Inverter Installation Environment
19
Cooling System Types for Inverter Enclosure
21
Inverter Placement
22
2 Wiring
24
Terminal Connection Diagram
25
Wiring
25
Main Circuit Terminal Specifications
26
Specification of Main Circuit Terminal
26
Terminal Arrangement of the Main Circuit Terminal, Power Supply and the Motor Wiring
26
Cables and Wiring Length
28
Control Circuit Specifications
31
Control Circuit Terminal
31
Wiring of Control Circuit
32
Connecting the 24V External Power Supply
34
Safety Stop Function
35
Connection of Stand-Alone Option Unit
37
Connection of a Dedicated External Brake Resistor (MRS Type, MYS Type, FR-ABR) (0.4K or Higher)
37
Connection of the Brake Unit (FR-BU2)
39
Connection of the DC Reactor (FR-HEL)
40
3 Precautions for Use of the Inverter
42
EMC and Leakage Currents
43
Leakage Currents and Countermeasures
43
Inverter-Driven 400V Class Motor
44
EMC Measures
45
Precautions for Use of the Inverter
45
Power Supply Harmonics
47
Harmonic Suppression Guidelines in Japan
48
Installation of Power Factor Improving Reactor
50
Power-OFF and Magnetic Contactor (MC)
51
Inverter-Driven 400V Class Motor
52
Wiring for CC-Link Communication
52
Precautions for Use of the Inverter
53
Failsafe of the System Which Uses the Inverter
55
4 CC-Link Communication Function
58
CC-Link Communication Specifications
59
CC-Link Version
59
CC-Link Ver. 2
59
Wiring for CC-Link Communication
60
System Configuration Example
60
Connection of Several Inverters
61
Connection Cable and Plug
62
Connection of CC-Link Dedicated Cable
63
Unit Replacement While Online
64
4.4 Function Overview
65
Function Block Diagram
65
Output from the Inverter to the Network
66
Input to the Inverter from the Network
66
I/O Signal List
67
I/O Signals When CC-Link Ver. 1 One Station (FR-E500 Series Compatible) Is Occupied (Pr. 544 = "0")
67
I/O Signals When CC-Link Ver. 1 One Station Is Occupied (Pr. 544 = "1")
68
I/O Signals When CC-Link Ver. 2 Double Setting Is Selected (Pr. 544 = "12")
68
I/O Signals When CC-Link Ver. 2 Quadruple Setting Is Selected (Pr. 544 = "14")
69
I/O Signals When CC-Link Ver. 2 Octuple Setting Is Selected (Pr. 544 = "18")
70
Details of I/O Signals
71
Details of Remote I/O Signals
71
Details of Remote Registers
73
Programming Examples
78
How to Check for Error Using the Leds
78
Programming Example for Reading the Inverter Status
80
Programming Example for Setting the Operation Mode
80
Programming Example for Monitoring the Output Frequency
81
Programming Example for Setting the Operation Commands
81
Programming Example for Parameter Reading
82
Programming Example for Parameter Writing
82
Programming Example for Setting the Running Frequency
83
Programming Example for Fault Record Reading
84
Programming Example for Resetting the Inverter at Inverter Error
84
4.7.10 Instructions
85
How to Check for Error Using the Leds
86
Operation Status Indication Leds
86
When One Inverter Is Connected
86
When Two or more Inverters Are Connected
87
Communication Stops During Operation
88
5 Parameters
90
Operation Panel
91
Names and Functions of the Operation Panel
91
Basic Operation (Factory Setting)
92
Changing the Parameter Setting Value
93
Setting Dial Push
94
Parameter List
95
Selection of Operation Mode
103
Operation Mode Selection (Pr. 79)
106
Selection of Operation Mode
106
Operation Via CC-Link Communication and Its Settings
108
CC-Link Communication Setting (Pr.541 to Pr.544)
108
Operation Selection at CC-Link Communication Error Occurrence (Pr. 500 to Pr. 502)
110
CC-Link Communication Reset Selection (Pr.349)
113
Communication EEPROM Write Selection (Pr. 342)
113
Control Mode
114
Changing the Control Method (Pr. 80, Pr. 81, Pr. 800)
115
Adjustment of the Output Torque (Current) of the Motor
116
Manual Torque Boost (Pr. 0, Pr. 46)
116
Advanced Magnetic Flux Vector Control (Pr. 71, Pr. 80, Pr. 81, Pr.89, Pr. 800)
117
General-Purpose Magnetic Flux Vector Control (Pr. 71, Pr. 80, Pr. 81, Pr. 800)
120
Slip Compensation (Pr. 245 to Pr. 247)
122
Stall Prevention Operation (Pr. 22, Pr. 23, Pr. 48, Pr. 66, Pr. 156, Pr. 157, Pr. 277)
123
Limiting the Output Frequency
127
Maximum/Minimum Frequency (Pr. 1, Pr. 2, Pr. 18)
127
Avoiding Mechanical Resonance Points (Frequency Jumps) (Pr. 31 to Pr. 36)
128
V/F Pattern
129
Base Frequency, Voltage (Pr. 3, Pr. 19, Pr. 47)
129
Load Pattern Selection (Pr. 14)
131
Frequency Setting with Input Signals
133
Operation by Multi-Speed Operation (Pr. 4 to Pr. 6, Pr. 24 to Pr. 27, Pr. 232 to Pr. 239)
133
Remote Setting Function (Pr. 59)
135
Setting of Acceleration/Deceleration Time and Acceleration/ Deceleration Pattern
138
Setting of the Acceleration and Deceleration Time (Pr. 7, Pr. 8, Pr. 20, Pr. 21, Pr. 44, Pr. 45, Pr. 147)
138
Starting Frequency and Start-Time Hold Function (Pr. 13, Pr. 571)
141
Acceleration/Deceleration Pattern (Pr. 29)
142
Shortest Acceleration/Deceleration (Automatic Acceleration/Deceleration) (Pr. 61 to Pr. 63, Pr. 292, Pr. 293)
143
5.11 Selection and Protection of a Motor
145
Motor Overheat Protection (Electronic Thermal O/L Relay) (Pr. 9, Pr. 51)
145
Applied Motor (Pr. 71, Pr. 450)
147
Exhibiting the Best Performance for the Motor (Offline Auto Tuning) (Pr. 71, Pr. 80 to Pr. 84, Pr. 90 to Pr. 94, Pr. 96, Pr. 859)
149
5.12 Motor Brake and Stop Operation
157
DC Injection Brake (Pr. 10 to Pr. 12)
157
Selection of a Regenerative Brake (Pr. 30, Pr. 70)
158
Stop Selection (Pr. 250)
160
Stop-On Contact Control Function (Pr. 6, Pr. 48, Pr. 270, Pr. 275, Pr. 276)
161
Brake Sequence Function (Pr. 278 to Pr. 283, Pr. 292)
163
5.13 Function Assignment of External Terminals and
166
CC-Link Communication Virtual Terminals
166
Input Terminal Function Selection (Pr. 180 to Pr. 184)
166
Inverter Output Shutoff Signal (MRS Signal, Pr. 17)
169
Output Terminal Function Selection (Pr. 190 to Pr. 192, Pr. 313 to Pr. 315)
170
Detection of Output Frequency (SU, FU Signal, Pr. 41 to Pr. 43)
174
Output Current Detection Function (Y12 Signal, Y13 Signal, Pr. 150 to Pr. 153)
175
Remote Output Selection (REM Signal, Pr. 495, Pr. 496)
177
5.14 Monitor Display and Monitor Output Signal
178
Speed Display and Speed Setting (Pr. 37)
178
Monitor Display Selection of Operation Panel (Pr. 52, Pr. 170, Pr. 171, Pr. 268, Pr. 563, Pr. 564)
179
Operation Selection at Power Failure and Instantaneous Power Failure
183
Automatic Restart after Instantaneous Power Failure/Flying Start (Pr. 57, Pr. 58, Pr. 96, Pr. 162, Pr. 165, Pr. 298, Pr. 299, Pr. 611)
183
Power-Failure Deceleration Stop Function (Pr. 261)
189
5.16 Operation Setting at Fault Occurrence
191
Retry Function (Pr. 65, Pr. 67 to Pr. 69)
191
Input/Output Phase Loss Protection Selection (Pr. 251, Pr. 872)
193
Earth (Ground) Fault Detection at Start (Pr. 249)
193
5.17 Energy Saving Operation
194
Optimum Excitation Control (Pr. 60)
194
5.18 Motor Noise, EMI Measures, Mechanical Resonance
195
PWM Carrier Frequency and Soft-PWM Control (Pr. 72, Pr. 240)
195
Speed Smoothing Control (Pr. 653)
196
5.19 Misoperation Prevention and Parameter Setting Restriction
197
Reset Selection/Pu Stop Selection (Pr. 75)
197
Parameter Write Disable Selection (Pr. 77)
197
Parameter Write Disable Selection (Pr. 77)
199
Reverse Rotation Prevention Selection (Pr. 78)
200
Extended Parameter Display and User Group Function (Pr. 160, Pr. 172 to Pr. 174)
200
Password Function (Pr. 296, Pr. 297)
202
5.20 Special Operation and Frequency Control
204
JOG Operation (Pr. 15, Pr. 16)
204
PID Control (Pr. 125, Pr. 127 to Pr. 132, Pr. 134, C2)
206
Droop Control (Pr. 286, Pr. 287)
213
Regeneration Avoidance Function (Pr. 665, Pr. 882, Pr. 883, Pr. 885, Pr. 886)
214
5.21 Useful Functions
216
Cooling Fan Operation Selection (Pr. 244)
216
Display of the Life of the Inverter Parts (Pr. 255 to Pr. 259)
217
Maintenance Timer Alarm (Pr. 503, Pr. 504)
220
Average Current Monitor Signal (Pr. 555 to Pr. 557)
221
USB Communication (Pr. 547, Pr. 548, Pr. 551)
223
Free Parameter (Pr. 888, Pr. 889)
225
5.22 Setting from the Operation Panel
226
RUN Key Rotation Direction Selection (Pr. 40)
226
Operation Panel Frequency Setting/Key Lock Operation Selection (Pr. 161)
227
Magnitude of Frequency Change Setting (Pr. 295)
229
5.23 Parameter Clear/ All Parameter Clear
230
5.24 Initial Value Change List
231
5.25 Check and Clear of the Faults History
232
6 Troubleshooting
234
Reset Method of Protective Function
235
List of Fault or Alarm Indications
236
Causes and Corrective Actions
237
Correspondences between Digital and Actual Characters
246
Check First When You Have a Trouble
247
Motor Does Not Start
247
Motor or Machine Is Making Abnormal Acoustic Noise
249
Inverter Generates Abnormal Noise
249
Motor Generates Heat Abnormally
249
Motor Rotates in the Opposite Direction
250
Speed Greatly Differs from the Setting
250
Acceleration/Deceleration Is Not Smooth
250
Speed Varies During Operation
251
Operation Mode Is Not Changed Properly
251
6.5.10 Operation Panel Display Is Not Operating
252
6.5.11 Motor Current Is too Large
252
6.5.12 Speed Does Not Accelerate
253
6.5.13 Unable to Write Parameter Setting
253
7 Precautions for Maintenance and Inspection
255
Inspection Items
255
Daily Inspection
255
Periodic Inspection
255
Daily and Periodic Inspection
256
Display of the Life of the Inverter Parts
257
Checking the Inverter and Converter Modules
257
Cleaning
258
Replacement of Parts
258
Measurement of Main Circuit Voltages, Currents and Powers
262
Measurement of Powers
264
Measurement of Voltages and Use of PT
264
Measurement of Currents
265
Use of CT and Transducer
265
Measurement of Inverter Input Power Factor
265
Measurement of Converter Output Voltage (Across Terminals P/+ and N/-)
265
Insulation Resistance Test Using Megger
266
Pressure Test
266
8 Specifications
268
Rating
269
Common Specifications
271
Outline Dimension Drawings
272
Appendix
276
Appendix 1 Main Differences with the FR-E500(N) CC-Link Model
277
Appendix 2 Specification Change
278
Appendix 2-1 SERIAL Number Check
278
Appendix 2-2 Changed Functions
278
Appendix 3 Index
279
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