Contents

FR-A7NCE INSTRUCTION MANUAL
This section is specifically about safety matters
CONTENTS
1 PRE-OPERATION INSTRUCTIONS
- 1.1 Inverter model
- 1.2 Unpacking and product confirmation
  - 1.2.1 Product confirmation
- 1.3 Parts
- 1.4 CC-Link IE Field Network communication specifications
2 INSTALLATION
- 2.1 Pre-installation instructions
- 2.2 Installation of the communication option LED display cover
- 2.3 Installation procedure
3 WIRING
- 3.1 System configuration example
- 3.2 Network configuration
- 3.3 Network components
  - 3.3.1 Connection cable
  - 3.3.2 Hubs
- 3.4 Wiring
  - 3.4.1 Ethernet cable connection
  - 3.4.2 Precautions
4 INVERTER SETTING
- 4.1 Parameter list
- 4.2 Operation mode setting
  - 4.2.1 Operation mode switching and communication startup mode (Pr. 79, Pr. 340)
- 4.3 Operation at communication error occurrence
  - 4.3.1 Operation selection at communication error occurrence (Pr. 500 to Pr. 502, Pr. 779)
  - 4.3.2 Fault and measures
- 4.4 Inverter reset
- 4.5 CC-Link IE Field Network function setting
  - 4.5.1 Network number setting (Pr. 434)
  - 4.5.2 Station number setting (Pr. 435)
  - 4.5.3 Frequency command with sign (Pr. 541) (FR-A700 series only)
5 FUNCTION OVERVIEW
- 5.1 Output from the inverter through the network
- 5.2 Input to the inverter through the network
- 5.3 Cyclic transmission
  - 5.3.1 Data flow and link device assignment
lMaster and slave stations (except for local stations)
6 I/O SIGNAL LIST
- 6.1 Remote I/O (64 points fixed)
- 6.2 Remote register (128 words fixed)
7 DETAILS OF I/O SIGNALS
- 7.1 Details of remote input and output signals
  - 7.1.1 Output signals (master module to inverter (FR-A7NCE))
  - 7.1.2 Input signals (inverter (FR-A7NCE) to master module)
- 7.2 Details of remote register
  - 7.2.1 Remote register (master module to inverter (FR-A7NCE))
  - 7.2.2 Remote register (inverter (FR-A7NCE) to master module)
  - 7.2.3 Instruction codes
  - 7.2.4 Monitor codes
- 7.3 Torque command by CC-Link IE Field Network communication (FR-A700 series only)
8 PROGRAMMING EXAMPLES
- 8.1 Programming example for reading the inverter status
- 8.2 Programming example for setting the operation mode
- 8.3 Programming example for setting the operation commands
- 8.4 Programming example for monitoring the output frequency
- 8.5 Programming example for parameter reading
- 8.6 Programming example for parameter writing
- 8.7 Programming example for setting the running frequency
- 8.8 Programming example for fault record reading
- 8.9 Programming example for resetting the inverter at inverter error
- 8.10 Instructions
REVISIONS

Mitsubishi Electric FR A7NCE Instructions Manual

Mitsubishi Electric FR A7NCE manual cover

Pages 92

Year 2012

Language(s)

of 92

Mitsubishi Electric FR A7NCE Specification

The Mitsubishi Electric FR-A7NCE is a state-of-the-art frequency inverter designed for advanced motor control applications. This inverter is part of the FR-A700 series and is renowned for its integration of high-performance features that cater to a wide range of industrial automation needs. It operates with a power range applicable to various motor sizes and offers precise control capabilities that enhance operational efficiency and energy savings. The FR-A7NCE supports sensorless vector control and real sensor vector control, providing exceptional torque performance and responsiveness even at low speeds. It is equipped with a built-in PLC function, enabling users to implement custom control logic without needing external controllers. Communication flexibility is a key feature, as the inverter supports multiple network protocols, ensuring seamless integration into existing systems. The device is also designed with robust safety features, including an emergency stop function and an optional safe torque off function, adhering to international safety standards. Additionally, the inverter's user-friendly interface and software tools facilitate easy setup, monitoring, and diagnostics, minimizing downtime and maintenance efforts. The FR-A7NCE is constructed with a focus on durability, featuring a compact design that withstands harsh industrial environments while maintaining efficient heat dissipation. Its advanced cooling technology ensures reliable performance under continuous operation. Overall, the Mitsubishi Electric FR-A7NCE inverter is a versatile and reliable solution for industries seeking to optimize their motor control systems, delivering enhanced productivity, energy efficiency, and operational safety.

Mitsubishi Electric FR A7NCE F.A.Q.

How do I reset the Mitsubishi Electric FR A7NCE inverter to factory settings?

To reset the inverter to factory settings, access the parameter settings through the control panel, navigate to the initialization menu, and select the option to reset all parameters. Please refer to the user manual for detailed steps.

What are the common fault codes for the FR A7NCE inverter and how can they be resolved?

Common fault codes include E.OC1 for overcurrent during acceleration, E.OC2 for overcurrent during constant speed, and E.OC3 for overcurrent during deceleration. Solutions involve checking the motor and load conditions and ensuring proper wiring and parameter settings.

How can I improve the energy efficiency of my FR A7NCE inverter?

To enhance energy efficiency, optimize the inverter's parameters such as reducing the carrier frequency, using the 'energy-saving' mode, and ensuring the motor is properly sized for the application.

What maintenance procedures are recommended for the FR A7NCE inverter?

Regular maintenance includes inspecting the cooling fan, checking for dust accumulation, ensuring all electrical connections are secure, and verifying that all parameters are correctly set.

How can I connect the FR A7NCE inverter to a PLC for remote control?

To connect the inverter to a PLC, use the RS-485 communication port and ensure that both devices are configured with compatible communication parameters, such as baud rate and protocol settings.

What should I do if the FR A7NCE inverter does not power on?

Check the power supply voltage, inspect the main power circuit connections, and verify that the emergency stop is not activated. If the issue persists, consult the troubleshooting section in the manual.

How can I update the firmware of the FR A7NCE inverter?

To update the firmware, obtain the latest firmware version from Mitsubishi Electric's official website, and follow the instructions provided in the firmware update guide. Ensure that the inverter is not connected to any load during the update process.

Can the FR A7NCE inverter be used with a single-phase power supply?

The FR A7NCE inverter is typically designed for three-phase power supply. For single-phase applications, consult the manufacturer's guidelines or consider alternative models that support single-phase input.

What are the steps to configure the PID control on the FR A7NCE inverter?

Configure the PID control by accessing the parameter settings, enabling the PID function, and setting the desired PID parameters such as proportional, integral, and derivative gains. Refer to the manual for specific parameter codes.

How can I determine the appropriate size of the FR A7NCE inverter for my application?

Determine the appropriate inverter size by considering the motor's rated power, voltage, current, and application-specific load requirements. It's essential to select an inverter with a capacity slightly higher than the motor's rated capacity to ensure efficient operation.