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Mitsubishi Electric Manuals
Inverter
FR-D720 K Series
Instruction manual
Mitsubishi Electric FR-D720 K Series Instruction Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
1 Outline
Product Checking and Parts Identification
Inverter and Peripheral Devices
Peripheral Devices
Removal and Reinstallation of the Cover
Front Cover
Wiring Cover
Wiring
Installation of the Inverter and Enclosure Design
Inverter Installation Environment
Cooling System Types for Inverter Enclosure
Inverter Placement
2 Wiring
Terminal Connection Diagram
Main Circuit Terminal Specifications
Specification of Main Circuit Terminal
Terminal Arrangement of the Main Circuit Terminal, Power Supply and the Motor Wiring
Cables and Wiring Length
Control Circuit Specifications
Control Circuit Terminal
Changing the Control Logic
Wiring of Control Circuit
Connection of Stand-Alone Option Unit
Safety Stop Function
Connection to the PU Connector
Connection of Stand-Alone Option Unit
Connection of a Dedicated External Brake Resistor (MRS Type, MYS Type, FR-ABR)
Connection of the Brake Unit (FR-BU2)
EMC and Leakage Currents
Connection of the High Power Factor Converter (FR-HC2)
Connection of the Power Regeneration Common Converter (FR-CV)
Connection of a DC Reactor (FR-HEL)
3 Precautions for Use of the Inverter
EMC and Leakage Currents
Leakage Currents and Countermeasures
Installation of Power Factor Improving Reactor
EMC Measures
Precautions for Use of the Inverter
Power Supply Harmonics
Harmonic Suppression Guideline in Japan
Installation of Power Factor Improving Reactor
Power-OFF and Magnetic Contactor (MC)
Inverter-Driven 400V Class Motor
Precautions for Use of the Inverter
Failsafe of the System Which Uses the Inverter
4 Parameters
Operation Panel
Names and Functions of the Operation Panel
Basic Operation (Factory Setting)
Easy Operation Mode Setting (Easy Setting Mode)
Changing the Parameter Setting Value
Displaying the Set Frequency
Parameter List
Adjustment of the Output Torque (Current) of the Motor
Manual Torque Boost (Pr. 0, Pr. 46)
Acquiring Large Starting Torque and Low Speed Torque (General-Purpose Magnetic Flux Vector Control (Pr. 71, Pr. 80, Pr. 83, Pr. 84))
Slip Compensation (Pr. 245 to Pr. 247)
Stall Prevention Operation (Pr. 22, Pr. 23, Pr. 48, Pr. 66, Pr. 154, Pr. 156, Pr. 157)
Limiting the Output Frequency
Maximum/Minimum Frequency (Pr. 1, Pr. 2, Pr. 18)
Avoiding Mechanical Resonance Points (Frequency Jumps) (Pr. 31 to Pr. 36, Pr. 552)
V/F Pattern
Base Frequency, Voltage (Pr. 3, Pr. 19, Pr. 47)
Load Pattern Selection (Pr. 14)
Frequency Setting by External Terminals
Operation by Multi-Speed Operation (Pr. 4 to Pr. 6, Pr. 24 to Pr. 27, Pr. 232 to Pr. 239)
Jog Operation (Pr. 15, Pr. 16)
Remote Setting Function (Pr. 59)
Setting of Acceleration/Deceleration Time and Acceleration/ Deceleration Pattern
Setting of the Acceleration and Deceleration Time (Pr. 7, Pr. 8, Pr. 20, Pr. 44, Pr. 45)
Starting Frequency and Start-Time Hold Function (Pr. 13, Pr. 571)
Acceleration/Deceleration Pattern (Pr. 29)
Selection and Protection of a Motor
Motor Overheat Protection (Electronic Thermal O/L Relay, PTC Thermistor Protection) (Pr. 9, Pr. 51, Pr. 561)
Applied Motor (Pr. 71, Pr. 450)
Exhibiting the Best Performance for the Motor (Offline Auto Tuning) (Pr. 71, Pr. 80, Pr. 82 to Pr. 84, Pr. 90, Pr. 96)
Motor Brake and Stop Operation
DC Injection Brake (Pr. 10 to Pr. 12)
Selection of a Regenerative Brake (Pr. 30, Pr. 70)
Stop Selection (Pr. 250)
Function Assignment of External Terminal and Control
Input Terminal Function Selection (Pr. 178 to Pr. 182)
Inverter Output Shutoff Signal (MRS Signal, Pr. 17)
Condition Selection of Function Validity by Second Function Selection Signal (RT)
Start Signal Operation Selection (STF, STR, STOP Signal, Pr. 250)
Output Terminal Function Selection (Pr. 190, Pr. 192, Pr. 197)
Detection of Output Frequency (SU, FU Signal, Pr. 41 to Pr. 43)
Output Current Detection Function (Y12 Signal, Y13 Signal, Pr. 150 to Pr. 153, Pr. 166, Pr. 167)
Remote Output Selection (REM Signal, Pr. 495, Pr. 496)
Monitor Display and Monitor Output Signal
Speed Display and Speed Setting (Pr. 37)
Monitor Display Selection of DU/PU and Terminal FM (Pr. 52, Pr. 54, Pr. 170, Pr. 171, Pr. 268, Pr. 563, Pr. 564, Pr. 891)
Reference of the Terminal FM (Pulse Train Output) (Pr. 55, Pr. 56)
Terminal FM Calibration (Calibration Parameter C0 (Pr. 900))
Operation Selection at Power Failure and Instantaneous Power Failure
Automatic Restart after Instantaneous Power Failure/Flying Start (Pr. 30, Pr. 57, Pr. 58, Pr. 96, Pr. 162, Pr. 165, Pr. 298, Pr. 299, Pr. 611)
Power-Failure Deceleration Stop Function (Pr. 261)
Operation Setting at Fault Occurrence
Retry Function (Pr. 65, Pr. 67 to Pr. 69)
Input/Output Phase Loss Protection Selection (Pr. 251, Pr. 872)
Earth (Ground) Fault Detection at Start (Pr. 249)
Energy Saving Operation
Optimum Excitation Control (Pr. 60)
PWM Carrier Frequency and Soft-PWM Control (Pr. 72, Pr. 240, Pr. 260)
Motor Noise, EMI Measures, Mechanical Resonance
Speed Smoothing Control (Pr. 653)
Frequency Setting by Analog Input (Terminal 2, 4)
Analog Input Selection (Pr. 73, Pr. 267)
Response Level of Analog Input and Noise Elimination (Pr. 74)
Bias and Gain of Frequency Setting Voltage (Current) (Pr. 125, Pr. 126, Pr. 241, C2 (Pr. 902) to C7 (Pr. 905))
Misoperation Prevention and Parameter Setting Restriction
Reset Selection/Disconnected PU Detection/Pu Stop Selection (Pr. 75)
Parameter Write Disable Selection (Pr. 77)
Reverse Rotation Prevention Selection (Pr. 78)
Extended Parameter Display (Pr. 160)
Password Function (Pr. 296, Pr. 297)
Selection of Operation Mode and Operation Location
Operation Mode Selection (Pr. 79)
Operation Mode at Power-ON (Pr. 79, Pr. 340)
Start Command Source and Frequency Command Source During Communication Operation (Pr. 338, Pr. 339, Pr. 551)
Communication Operation and Setting
Wiring and Configuration of PU Connector
Initial Settings and Specifications of RS-485 Communication (Pr. 117 to Pr. 120, Pr. 123, Pr. 124, Pr. 549)
Operation Selection at Communication Error Occurrence (Pr. 121, Pr. 122, Pr. 502)
Communication EEPROM Write Selection (Pr. 342)
Mitsubishi Inverter Protocol (Computer Link Communication)
MODBUS RTU Communication Specifications (Pr. 117, Pr. 118, Pr. 120, Pr. 122, Pr. 343, Pr. 502, Pr. 549)
MODBUS RTU Communication Specifications
Special Operation and Frequency Control
PID Control (Pr. 127 to Pr. 134, Pr. 575 to Pr. 577)
Dancer Control (Pr. 44, Pr. 45, Pr. 128 to Pr. 134)
Regeneration Avoidance Function (Pr. 665, Pr. 882, Pr. 883, Pr. 885, Pr. 886)
Useful Functions
Cooling Fan Operation Selection (Pr. 244)
Display of the Lives of the Inverter Parts (Pr. 255 to Pr. 259)
Maintenance Timer Alarm (Pr. 503, Pr. 504)
Current Average Value Monitor Signal (Pr. 555 to Pr. 557)
Free Parameter (Pr. 888, Pr. 889)
Setting the Parameter Unit and Operation Panel
RUN Key Rotation Direction Selection (Pr. 40)
PU Display Language Selection (Pr. 145)
Operation Panel Frequency Setting/Key Lock Selection (Pr. 161)
Magnitude of Frequency Change Setting (Pr. 295)
Buzzer Control (Pr. 990)
PU Contrast Adjustment (Pr. 991)
E500 Series Operation Panel (PA02) Setting
Built-In Potentiometer Switching (Pr. 146)
Bias and Gain of the Built-In Frequency Setting Potentiometer (C22 (Pr. 922) to C25 (Pr. 923))
Parameter Clear/ All Parameter Clear
Initial Value Change List
Check and Clear of the Fault History
5 Troubleshooting
Reset Method of Protective Function
List of Fault or Alarm Indications
Causes and Corrective Actions
Correspondences between Digital and Actual Characters
Check First When You Have a Trouble
Motor Does Not Start
Motor or Machine Is Making Abnormal Acoustic Noise
Inverter Generates Abnormal Noise
Motor Generates Heat Abnormally
Motor Rotates in the Opposite Direction
Speed Greatly Differs from the Setting
Acceleration/Deceleration Is Not Smooth
Speed Varies During Operation
Operation Mode Is Not Changed Properly
Operation Panel Display Is Not Operating
Motor Current Is too Large
Speed Does Not Accelerate
Unable to Write Parameter Setting
6 Precautions for Maintenance and Inspection
Inspection Items
Daily Inspection
Periodic Inspection
Daily and Periodic Inspection
Display of the Life of the Inverter Parts
Checking the Inverter and Converter Modules
Cleaning
Replacement of Parts
Measurement of Main Circuit Voltages, Currents and Powers
Measurement of Powers
Measurement of Voltages and Use of PT
Measurement of Currents
Use of CT and Transducer
Measurement of Inverter Input Power Factor
Measurement of Converter Output Voltage (Across Terminals P/+ and N/-)
Measurement of Inverter Output Frequency
Insulation Resistance Test Using Megger
Pressure Test
7 Specifications
Rating
Common Specifications
Outline Dimension Drawings
Appendix
Appendix 1 for Customers Replacing the Conventional Model with this Inverter
Appendix 1-1 Replacement of the FR-S500 Series
Appendix 2 Specification Change Check
Appendix 2-1 Changed Function
Appendix 3 Index
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Quick Links
1
Parameters
2
Operation Panel
3
List of Fault or Alarm Indications
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INVERTER
FR-D700
INSTRUCTION MANUAL (Applied)
FR-D720-0.1K to 15K
FR-D740-0.4K to 15K
FR-D720S-0.1K to 2.2K
FR-D710W-0.1K to 0.75K
OUTLINE
WIRING
PRECAUTIONS FOR USE
OF THE INVERTER
PARAMETERS
TROUBLESHOOTING
PRECAUTIONS FOR
MAINTENANCE AND INSPECTION
SPECIFICATIONS
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This manual is also suitable for:
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