Contents

FR-B, B3 INSTRUCTION MANUAL (Applied)
This section is specifically about safety matters
CONTENTS
1 OUTLINE
- 1.1 Product checking and parts identification
- 1.2 Inverter and peripheral devices
  - 1.2.1 Peripheral devices
- 1.3 Method of removal and reinstallation of the front cover
- 1.4 Installation of the inverter and enclosure design
  - 1.4.1 Inverter installation environment
  - 1.4.2 Cooling system types for inverter enclosure
  - 1.4.3 Inverter placement
2 WIRING
- 2.1 Wiring
  - 2.1.1 Terminal connection diagram
  - 2.1.2 EMC filter
- 2.2 Main circuit terminal specifications
  - 2.2.1 Specification of main circuit terminal
  - 2.2.2 Terminal arrangement of the main circuit terminal, power supply and the motor wiring.
  - 2.2.3 Cables and wiring length
  - 2.2.4 When connecting the control circuit and the main circuit separately to the power supply (separate power)
- 2.3 Control circuit specifications
  - 2.3.1 Control circuit terminals
  - 2.3.2 Changing the control logic
  - 2.3.3 Control circuit terminal layout
  - 2.3.4 Wiring instructions
  - 2.3.5 When connecting the operation panel using a connection cable
  - 2.3.6 RS-485 terminal block
  - 2.3.7 Communication operation
- 2.4 Connection of stand-alone option units
  - 2.4.1 Connection of the brake unit (FR-BU/MT-BU5)(FR-B-75K or more)
  - 2.4.2 Connection of the high power factor converter (MT-HC)(FR-B-75K or more)
  - 2.4.3 Connection of power regeneration converter (MT-RC) (75K or more)
  - 2.4.4 Connection of the power factor improving DC reactor (FR-HEL)
3 PRECAUTIONS FOR USE OF THE INVERTER
- 3.1 Noise and leakage currents
  - 3.1.1 Leakage currents and countermeasures
  - 3.1.2 Inverter-generated noises and their reduction techniques
  - 3.1.3 Power supply harmonics
  - 3.1.4 Harmonic suppression guideline
- 3.2 Installation of a reactor
- 3.3 Power-off and magnetic contactor (MC)
- 3.4 Precautions for use of the inverter
4 PARAMETERS
- 4.1 Operation panel (FR-DU07)
  - 4.1.1 Parts of the operation panel (FR-DU07)
  - 4.1.2 Basic operation (factory setting)
  - 4.1.3 Change the parameter setting value
  - 4.1.4 Setting dial push
- 4.2 Parameter List
  - 4.2.1 Parameter list
- Parameters according to purposes
- 4.3 Control mode
- 4.4 Before operating the FR-B3 series
  - 4.4.1 Setting the FR-B3 series (advanced magnetic flux vector control) (Pr. 80, Pr. 81, Pr. 89 )
  - 4.4.2 Offline auto tuning (Pr. 80 to Pr. 84, Pr. 90 to Pr. 94, Pr. 96, Pr. 684, Pr. 859)
- 4.5 Adjust the output torque of the motor (current)
  - 4.5.1 Stall prevention operation (Pr. 22, Pr. 23, Pr. 48, Pr. 49, Pr. 66, Pr. 114, Pr. 115, Pr. 148, Pr. 149, Pr. 154, Pr. 156, Pr. 157, Pr. 858, Pr. 868)
- 4.6 Limit the output frequency
  - 4.6.1 Maximum/minimum frequency (Pr. 1, Pr. 2)
  - 4.6.2 Avoid mechanical resonance points (Frequency jump) (Pr. 31 to Pr. 36)
- 4.7 Frequency setting by external terminals
  - 4.7.1 Multi-speed setting operation (Pr. 4 to Pr. 6, Pr. 24 to Pr. 27, Pr. 232 to Pr. 239)
  - 4.7.2 Jog operation (Pr. 15, Pr. 16)
  - 4.7.3 Input compensation of multi-speed and remote setting (Pr. 28)
  - 4.7.4 Remote setting function (Pr. 59)
- 4.8 Setting of acceleration/deceleration time and acceleration/deceleration pattern
  - 4.8.1 Setting of the acceleration and deceleration time (Pr. 7, Pr. 8, Pr. 20, Pr. 21, Pr. 44, Pr. 45, Pr. 110, Pr. 111)
  - 4.8.2 Starting frequency and start-time hold function (Pr. 13, Pr. 571)
  - 4.8.3 Acceleration/deceleration pattern (Pr. 29, Pr. 140 to Pr. 143, Pr. 380 to Pr. 383, Pr. 516 to Pr. 519)
  - 4.8.4 Shortest acceleraiton/deceleration and optimum acceleration/deceleration (automatic acceleration/deceleration) (Pr. 61 to Pr. 63, Pr. 292, Pr. 293)
- 4.9 Selection and protection of a motor
  - 4.9.1 Motor protection from overheat (Electronic thermal relay function) (Pr. 9)
  - 4.9.2 Applied motor (Pr. 71)
- 4.10 Motor brake and stop operation
  - 4.10.1 DC injection brake and zero speed control, servo lock (X13 signal, Pr. 10 to Pr. 12)
  - 4.10.2 Selection of regenerative brake (Pr. 30, Pr. 70) (75K or more)
  - 4.10.3 Stop selection (Pr. 250)
  - 4.10.4 Stop-on contact control function (Pr. 6, Pr. 48, Pr. 270, Pr. 275)
  - 4.10.5 Brake sequence function (Pr. 278 to Pr. 285, Pr. 292)
  - 4.10.6 Orientation control (Pr. 350 to Pr. 366, Pr. 369)
- 4.11 Function assignment of external terminal and control
  - 4.11.1 Input terminal function selection (Pr. 178 to Pr. 189)
  - 4.11.2 Inverter output shutoff signal (MRS signal, Pr. 17)
  - 4.11.3 Condition selection of function validity by the second function selection signal (RT) and third function selection signal (X9) (RT signal, X9 signal, Pr. 155)
  - 4.11.4 Start signal selection (STF, STR, STOP signal, Pr. 250)
  - 4.11.5 Output terminal function selection (Pr. 190 to Pr. 196)
  - 4.11.6 Detection of output frequency (SU, FU, FU2 , FU3, LS signal, Pr. 41 to Pr. 43, Pr. 50, Pr. 116, Pr. 865)
  - 4.11.7 Output current detection function (Y12 signal, Y13 signal, Pr. 150 to Pr. 153, Pr. 166, Pr. 167)
  - 4.11.8 Detection of output torque (TU signal, Pr. 864)
  - 4.11.9 Remote output function (REM signal, Pr. 495 to Pr. 497)
- 4.12 Monitor display and monitor output signal
  - 4.12.1 DU/PU, FM, AM terminal monitor display selection (Pr. 52, Pr. 54, Pr. 158, Pr. 170, Pr. 171, Pr. 268, Pr. 563, Pr. 564, Pr. 891)
  - 4.12.2 Reference of the terminal FM (pulse train output) and AM (analog voltage output) (Pr. 55, Pr. 56, Pr. 291, Pr. 866, Pr. 867)
  - 4.12.3 Terminal FM, AM calibration (Calibration parameter C0 (Pr. 900), C1 (Pr. 901))
- 4.13 Operation selection at power failure and instantaneous power failure
  - 4.13.1 Automatic restart after instantaneous power failure/flying start (Pr. 57, Pr. 58, Pr. 162 to Pr. 165, Pr. 299, Pr. 611)
  - 4.13.2 Power failure-time deceleration-to-stop function (Pr. 261 to Pr. 266, Pr. 294 )
- 4.14 Operation setting at alarm occurrence
  - 4.14.1 Retry function (Pr. 65, Pr. 67 to Pr. 69)
  - 4.14.2 Alarm code output selection (Pr. 76)
  - 4.14.3 Input/output phase failure protection selection (Pr. 251, Pr. 872)
  - 4.14.4 Overspeed detection (Pr. 374)
  - 4.14.5 Encoder signal loss detection (Pr. 376)
  - 4.14.6 Fault definition (Pr. 875)
- 4.15 Energy saving operation and energy saving monitor
  - 4.15.1 Energy saving monitor (Pr. 891 to Pr. 899)
- 4.16 Frequency setting by analog input (terminal 1, 2, 4)
  - 4.16.1 Function assignment of analog input terminal (Pr. 858, Pr. 868)
  - 4.16.2 Analog input selection (Pr. 73, Pr. 267)
  - 4.16.3 Analog input compensation (Pr. 73, Pr. 242, Pr. 243, Pr. 252, Pr. 253)
  - 4.16.4 Response level of analog input and noise elimination (Pr. 74, Pr. 849)
  - 4.16.5 Bias and gain of frequency setting voltage (current) (Pr. 125, Pr. 126, Pr. 241, C2(Pr. 902) to C7(Pr. 905))
- 4.17 Misoperation prevention and parameter setting restriction
  - 4.17.1 Reset selection/disconnected PU detection/PU stop selection (Pr. 75)
  - 4.17.2 Parameter write selection (Pr. 77)
  - 4.17.3 Reverse rotation prevention selection (Pr. 78)
  - 4.17.4 Display of applied parameters and user group function (Pr. 160, Pr. 172 to Pr. 174)
- 4.18 Selection of operation mode and operation location
  - 4.18.1 Operation mode selection (Pr. 79)
  - 4.18.2 Operation mode at power on (Pr. 79, Pr. 340)
  - 4.18.3 Operation command source and speed command source during communication operation (Pr. 338, Pr. 339, Pr. 550, Pr. 551)
- 4.19 Communication operation and setting
  - 4.19.1 Wiring and configuration of PU connector
  - 4.19.2 Wiring and arrangement of RS-485 terminals
  - 4.19.3 Initial settings and specifications of RS-485 communication (Pr. 117 to Pr. 124, Pr. 331 to Pr. 337, Pr. 341, Pr. 549)
  - 4.19.4 Communication EEPROM write selection (Pr. 342)
  - 4.19.5 Mitsubishi inverter protocol (computer link communication)
  - 4.19.6 Modbus-RTU communication specifications (Pr. 331, Pr. 332, Pr. 334, Pr. 343, Pr.539, Pr. 549)
- 4.20 Special operation and frequency control
  - 4.20.1 PID control (Pr. 127 to Pr. 134, Pr. 575 to Pr. 577)
  - 4.20.2 Load torque high speed frequency control (Pr. 4, Pr. 5, Pr. 270 to Pr. 274)
  - 4.20.3 Droop control (Pr. 286 to Pr. 288)
  - 4.20.4 Frequency setting by pulse train input (Pr. 291, Pr. 384 to Pr. 386)
  - 4.20.5 Encoder feedback control (Pr. 144, Pr. 285, Pr. 359, Pr. 367 to Pr. 369)
  - 4.20.6 Regeneration avoidance function (Pr. 665, Pr. 882 to Pr. 886)
- 4.21 Useful functions
  - 4.21.1 Cooling fan operation selection (Pr. 244)
  - 4.21.2 Display of the life of the inverter parts (Pr. 255 to Pr. 259)
  - 4.21.3 Maintenance timer alarm (Pr. 503, Pr. 504)
  - 4.21.4 Current average value monitor signal (Pr. 555 to Pr. 557)
  - 4.21.5 Free parameter (Pr. 888, Pr. 889)
- 4.22 Setting of the parameter unit and operation panel
  - 4.22.1 PU display language selection (Pr. 145)
  - 4.22.2 Operation panel frequency setting/key lock operation selection (Pr. 161)
  - 4.22.3 Buzzer control (Pr. 990)
  - 4.22.4 PU contrast adjustment (Pr. 991)
- 4.23 Parameter clear
- 4.24 All parameter clear
- 4.25 Parameter copy and parameter verification
  - 4.25.1 Parameter copy
  - 4.25.2 Parameter verification
- 4.26 Check and clear of the alarm history
5 PROTECTIVE FUNCTIONS
- 5.1 Reset method of protective function
- 5.2 List of alarm display
- 5.3 Causes and corrective actions
- 5.4 Correspondences between digital and actual characters
- 5.5 Check first when you have troubles
  - 5.5.1 Motor does not start
  - 5.5.2 Motor generates abnormal noise
  - 5.5.3 Motor generates heat abnormally
  - 5.5.4 Motor rotates in opposite direction
  - 5.5.5 Speed greatly differs from the setting
  - 5.5.6 Acceleration/deceleration is not smooth
  - 5.5.7 Motor current is large
  - 5.5.8 Speed does not increase
  - 5.5.9 Speed varies during operation
  - 5.5.10 Operation mode is not changed properly
  - 5.5.11 Operation panel (FR-DU07) display is not operating
  - 5.5.12 POWER lamp is not lit
  - 5.5.13 Parameter write cannot be performed
6 PRECAUTIONS FOR MAINTENANCE AND INSPECTION
- 6.1 Inspection item
  - 6.1.1 Daily inspection
  - 6.1.2 Periodic inspection
  - 6.1.3 Daily and periodic inspection
  - 6.1.4 Display of the life of the inverter parts
  - 6.1.5 Checking the inverter and converter modules
  - 6.1.6 Cleaning
  - 6.1.7 Replacement of parts
  - 6.1.8 Inverter replacement
- 6.2 Measurement of main circuit voltages, currents and powers
  - 6.2.1 Measurement of powers
  - 6.2.2 Measurement of voltages and use of PT
  - 6.2.3 Measurement of currents
  - 6.2.4 Use of CT and transducer
  - 6.2.5 Measurement of inverter input power factor
  - 6.2.6 Measurement of converter output voltage (across terminals P/+ - N/-)
  - 6.2.7 Measurement of inverter output frequency
  - 6.2.8 Insulation resistance test using megger
  - 6.2.9 Pressure test
7 SPECIFICATIONS
- 7.1 FR-B Series Specifications
  - 7.1.1 FR-B series ratings
  - 7.1.2 FR-B series common specifications
- 7.2 FR-B3 Series Specifications
  - 7.2.1 FR-B3 series ratings
  - 7.2.2 FR-B3 series common specifications
- 7.3 Outline dimension drawings
  - 7.3.1 Inverter outline dimension drawings
APPENDICES
- Appendix 1 For customers who have replaced the older model with this inverter
  - Appendix 1-1 Replacement of the FR-B,B3 series (A500 specifications)
- Appendix 2 Control mode-based parameter (function) correspondence table and instruction code list
REVISIONS

Mitsubishi A700 FR-B3-N-37K Instruction Manual

Mitsubishi A700 FR-B3-N-37K Inverter manual cover

Pages 329

Year 2006

Language(s)

of 329

Mitsubishi A700 FR-B3-N-37K Inverter Specification

The Mitsubishi A700 FR-B3-N-37K inverter is a high-performance frequency drive designed for advanced motor control applications. It features a power rating of 37 kW, making it suitable for a wide range of industrial tasks requiring precision and efficiency. This inverter supports a 3-phase 400V class power supply, ensuring robust performance in demanding environments. The A700 series is renowned for its vector control technology, which provides enhanced torque and speed stability, making it ideal for applications that require precise motor operations. The inverter is equipped with a built-in PLC function, allowing for seamless integration into automated systems and reducing the need for additional control components. Its advanced PID control capabilities further enhance process control efficiency.

Additionally, the FR-B3-N-37K model incorporates a variety of protective features, including overcurrent, overvoltage, and overload protection, ensuring safe and reliable operation. Its compact design facilitates easy installation and space-saving in control panels. The inverter also offers user-friendly interfaces, including an intuitive keypad and a clear LED display for straightforward parameter setting and monitoring. Communication options are extensive, supporting multiple protocols such as Modbus RTU and optional network communication cards for integration with Ethernet or other fieldbus systems. Energy-saving functions are embedded, optimizing motor performance and reducing operational costs. Overall, the Mitsubishi A700 FR-B3-N-37K inverter is engineered for high performance, reliability, and efficiency, making it a versatile solution for various industrial motor control applications.

Mitsubishi A700 FR-B3-N-37K Inverter F.A.Q.

How do I perform a factory reset on the Mitsubishi A700 FR-B3-N-37K inverter?

To perform a factory reset, navigate to the device's parameter settings and set parameter Pr. 77 to "1". This will initialize all parameters to their factory defaults. Ensure that you back up any important settings before performing a reset.

What is the correct procedure for wiring the Mitsubishi A700 inverter to a motor?

First, ensure all power sources are disconnected. Connect the motor terminals U, V, and W to the corresponding inverter terminals. Ensure that the connections are secure and that the cable size is appropriate for the motor's power rating. Always follow the wiring diagram provided in the manual.

How can I troubleshoot an overcurrent fault on the A700 inverter?

Check for any short circuits in the motor or wiring. Ensure that the motor is not overloaded and that the inverter settings match the motor's specifications. Inspect the inverter for any signs of damage or overheating.

What maintenance is required for the Mitsubishi A700 inverter?

Regular maintenance includes cleaning the cooling fans and heat sinks to prevent overheating, checking electrical connections for signs of wear or loosening, and inspecting the inverter for any physical damage. Perform a full inspection at least once a year.

Can the A700 inverter be used with multiple motors?

Yes, the A700 inverter can control multiple motors, but it requires careful configuration to ensure that the total current does not exceed the inverter's capacity. Consult the inverter's manual for detailed instructions on setting up multiple motors.

What should I do if the inverter's display is not turning on?

First, ensure that the inverter is properly connected to a power source. Check the fuses and circuit breakers to ensure they are not tripped. If the issue persists, inspect the display cables and connections for damage or looseness.

How can I adjust the acceleration time on the Mitsubishi A700 inverter?

To adjust the acceleration time, modify parameter Pr. 7 in the inverter's settings. Enter the desired acceleration time in seconds. This parameter controls how quickly the inverter reaches the target frequency when starting the motor.

Is it possible to control the A700 inverter remotely?

Yes, the A700 inverter can be controlled remotely using compatible communication options such as RS-485 or Modbus. Ensure that the correct communication settings are configured in the inverter to establish a successful connection.

What causes the inverter to trip with an overload error?

An overload error typically occurs when the motor draws more current than the inverter can handle. Check for mechanical binding or excessive load on the motor. Adjust the inverter's settings to match the motor's rated current and ensure proper ventilation.

How do I update the firmware on the Mitsubishi A700 inverter?

Firmware updates can be performed using the manufacturer's software tools. Connect the inverter to a computer via a compatible interface, and follow the instructions provided by Mitsubishi to apply the firmware update. Always ensure that the power supply is stable during the update process.