Contents

FR-A7NL E kit INSTRUCTION MANUAL
SAFETY INSTRUCTIONS
CONTENTS
1 PRE-OPERATION INSTRUCTIONS
- 1.1 Unpacking and Product Confirmation
  - 1.1.1 SERIAL number
  - 1.1.2 Packing confirmation
- 1.2 Parts
- 1.3 Operation Status Indication LED
- 1.4 Specifications
  - 1.4.1 Inverter option specifications
  - 1.4.2 Communication specification
2 INSTALLATION
- 2.1 Pre-Installation Instructions
- 2.2 Installation Procedure
3 WIRING
- 3.1 System Configuration Example
- 3.2 Wiring
4 INVERTER SETTING
- 4.1 Parameter List
- 4.2 Operation Mode Setting
  - 4.2.1 Operation mode indication
  - 4.2.2 Operation mode switching and communication startup mode (Pr. 79, Pr. 340)
- 4.3 Operation and Speed Command Source (Pr. 338, Pr. 339, Pr. 550)
  - 4.3.1 Communication EEPROM write selection (Pr. 342)
- 4.4 Operation at Communication Error Occurrence
  - 4.4.1 Operation selection at communication error occurrence (Pr. 500 to Pr. 502)
  - 4.4.2 Alarm and measures
- 4.5 Inverter Reset
5 FUNCTION OVERVIEW
- 5.1 XIF File
- 5.2 Output from the Inverter to the Network
- 5.3 Input from the Network to the Inverter
6 NETWORK VARIABLES
- 6.1 Object Map
- 6.2 Network Variable List
- 6.3 LONWORKS Object
  - 6.3.1 Setting range of object ID
  - 6.3.2 Object request (network input SNVT_obj_request nviRequest)
  - 6.3.3 Object status (network output SNVT_obj_status nvoStatus)
- 6.4 Variable Speed Motor Drive Object
  - 6.4.1 Start/stop and simple speed setting (network input SNVT_switch nviDrvSpeedStpt)
  - 6.4.2 Speed adjustment (0.005% increments) (network input SNVT_lev_percent nviDrvSpeedScale)
  - 6.4.3 Speed monitor (0.005% increments) (network output SNVT_lev_percent nvoDrvSpeed)
- 6.5 Inverter Basic Functions
  - 6.5.1 Inverter input signal (network input SNVT_state nviInvInputSig)
  - 6.5.2 Inverter output signal (network output SNVT_state nvoInvOutputSig)
  - 6.5.3 Set frequency write destination selection (network input SNVT_switch nviInvSetFreqSw)
  - 6.5.4 Set frequency (0.1Hz increments) (network input SNVT_freq_hz nviInvSetFreq)
  - 6.5.5 Set frequency (0.005% increments) (network input SNVT_lev_percent nviInvSetFreqP)
  - 6.5.6 Output frequency monitor (0.1Hz increments) (network output SNVT_freq_hz nvoInvOutFreq)
  - 6.5.7 Output frequency monitor (0.005% increments) (network output SNVT_lev_percent nvoInvOutFreqP)
  - 6.5.8 Output current monitor (0.1A increments) (network output SNVT_amp nvoDrvCurnt)
  - 6.5.9 Output voltage monitor (0.1V increments) (network output SNVT_volt nvoDrvVolt)
  - 6.5.10 Actual operation time monitor (1h increments) (network output SNVT_time_hour nvoDrvRunHours)
  - 6.5.11 Cumulative power monitor (1kWh increments) (network output SNVT_elec_kwh nvoDrvRunPower)
  - 6.5.12 Cumulative power monitor 2 (0.1kWh increments) (network output SNVT_elec_kwh_l nvoDrvRunPower_l)
  - 6.5.13 Alarm reset (network input SNVT_switch nviInvAlarmReset)
  - 6.5.14 Alarm occurrence definition (network output SNVT_str_asc nvoInvAlarmStr)
  - 6.5.15 Product information (maker name, type) (network output SNVT_str_asc nvoInvTypeInfo)
  - 6.5.16 Emergency stop command (network input SNVT_hvac_emerg nviEmergOverride)
  - 6.5.17 Emergency stop status (network output SNVT_hvac_emerg nvoEmergStatus)
  - 6.5.18 Alarm status (network output SNVT_switch nvoDrvAlarm)
- 6.6 Inverter PID Control Functions
  - 6.6.1 PID set point (network input SNVT_lev_percent nviInvPIDTarget)
  - 6.6.2 PID measured value (network input SNVT_lev_percent nviInvPIDValue)
  - 6.6.3 PID deviation (network input SNVT_lev_percent nviInvPIDDev)
- 6.7 Inverter Extended Functions
  - 6.7.1 Monitor code (network input SNVT_count nviInvMonCode)
  - 6.7.2 Monitor data (network output SNVT_count nvoInvMonData)
  - 6.7.3 Set frequency (0.01Hz increments) (network input SNVT_count nviInvSetFreq2)
  - 6.7.4 Output frequency monitor (0.01Hz increments) (network output SNVT_count nvoInvOutFreq2)
  - 6.7.5 Command request (network input SNVT_str_asc nviInvCmdReq)
  - 6.7.6 Command reply (network output SNVT_str_asc nvoInvCmdReply)
- 6.8 Configuration Properties
  - 6.8.1 Initial communication delay time (network input config SNVT_time_sec nciPwUpOutTm)
  - 6.8.2 Forward/reverse rotation prevention (network input config SNVT_count nciInvFwdRevLock)
  - 6.8.3 % set reference frequency (network input config SNVT_freq_hz nciInvSetFreqBas)
  - 6.8.4 Maximum frequency (0.1Hz increments) (network input config SNVT_freq_hz nciInvMaxFreq)
  - 6.8.5 Minimum frequency (0.1Hz increments) (network input config SNVT_freq_hz nciInvMinFreq)
  - 6.8.6 Heartbeat send time interval (network input config SNVT_time_sec nciSndHrtBt)
  - 6.8.7 Minimum heartbeat send time (network input config SNVT_time_sec nciMinOutTm)
  - 6.8.8 Acceleration time (network input config SNVT_time_sec nciRampUpTm)
  - 6.8.9 Deceleration time (network input config SNVT_time_sec nciRampDownTm)
  - 6.8.10 PID action selection (network input config SNVT_count nciInvPIDSwitch)
  - 6.8.11 PID proportional band (network input config SNVT_count nciInvPIDPro)
  - 6.8.12 PID integral time (network input config SNVT_time_sec nciInvPIDIntTm)
  - 6.8.13 PID differential time (network input config SNVT_time_sec nciInvPIDDiffTm)
  - 6.8.14 PID manipulated variable bias (0.1Hz increments) (network input config SNVT_freq_hz nciInvPIDOpeBias)
  - 6.8.15 PID manipulated variable gain (0.1Hz increments) (network input config SNVT_freq_hz nciInvPIDOpeGain)
  - 6.8.16 Heartbeat receive time interval (network input config SNVT_time_sec nciRcvHrtBt)
  - 6.8.17 Maximum speed (0.005% increments) (network input config SNVT_lev_percent nciMaxSpeed)
  - 6.8.18 Minimum speed (0.005% increments) (network input config SNVT_lev_percent nciMinSpeed)
  - 6.8.19 Reference speed setting (network input config SNVT_rpm nciNmlSpeed)
  - 6.8.20 Reference frequency setting (network input config SNVT_freq_hz nciNmlFreq)
  - 6.8.21 Speed adjustment default value (network input config SNVT_lev_percent nciDrvSpeedScale)
  - 6.8.22 Event driven detection width (network input config SNVT_lev_percent nciInvEvtDuty)
7 TROUBLESHOOTING
APPENDIX
- Setup Example
- Example of Inverter Parameter Clear
Instruction Supplement(BCN-C22005-608)
- (1) How to check if the product is compatiblewith binary command requests and replies
- (2) XIF file
- (3) Command request (binary) (network input SNVT_preset nviInvCmdBinReq)
- (4) Command reply (binary) (network output SNVT_preset nvoInvCmdBinRply)

Mitsubishi FR-A7NL E Instruction Manual

Mitsubishi FR-A7NL E Inverter manual cover

Pages 119

Year 2008

Language(s)

of 119

Instruction Manual

119 pages

Instruction Manual

11 pages

Mitsubishi FR-A7NL E Inverter Specification

The Mitsubishi FR-A7NL E Inverter is a sophisticated and efficient frequency inverter designed to optimize the performance of AC motors. It features advanced vector control technology, enabling precise speed and torque control, which enhances energy efficiency and operational accuracy. This inverter is part of the FR-A700 series, renowned for its robust design and high performance in demanding industrial environments.

The FR-A7NL E supports a wide range of motor ratings, accommodating various power requirements from small to large-scale applications. It offers flexible connectivity options, including built-in PLC functionality and compatibility with major industrial networks, facilitating seamless integration into existing automation systems. The inverter's user-friendly interface, featuring a digital keypad and an intuitive display, simplifies parameter setting and monitoring.

Safety and reliability are paramount in the FR-A7NL E, with features such as overcurrent, overvoltage, and short-circuit protection ensuring robust operation. Its regenerative braking capability enhances energy savings by converting kinetic energy back into usable power, while its compact design allows for easy installation in space-constrained environments. The inverter also supports multiple control methods, including V/F control and advanced flux vector control, catering to diverse application needs.

With its compliance to international standards, the Mitsubishi FR-A7NL E Inverter is ideal for various industrial applications including conveyors, fans, pumps, and machinery that require precise motor control and energy efficiency. This inverter model represents Mitsubishi's commitment to advancing technology and delivering solutions that meet the evolving demands of modern industries.

Mitsubishi FR-A7NL E Inverter F.A.Q.

What are the basic steps to install the Mitsubishi FR-A7NL E inverter?

To install the Mitsubishi FR-A7NL E inverter, mount it on a secure panel, connect the power supply, attach motor connections, and configure the initial parameters using the keypad or software interface. Ensure all connections are secure and the environment is suitable for operation.

How can I reset the Mitsubishi FR-A7NL E inverter to factory settings?

To reset the inverter to factory settings, access the parameter settings via the keypad, navigate to the initialization settings, and select the factory reset option. Confirm the reset by following the on-screen instructions.

What should I do if the inverter displays an overcurrent error?

Check for any short circuits or ground faults in the motor and cable connections. Verify that the motor is not overloaded and reduce the load if necessary. Inspect the inverter settings and adjust the current limit parameters accordingly.

How do I perform regular maintenance on the Mitsubishi FR-A7NL E inverter?

Perform regular maintenance by inspecting the cooling fan for dust buildup, checking connections for tightness, ensuring the environment is clean and dry, and verifying that the input/output voltages are within specifications.

Can the Mitsubishi FR-A7NL E inverter be used with a single-phase power supply?

The Mitsubishi FR-A7NL E inverter is designed for three-phase power supplies. Using it with a single-phase supply is not recommended unless specified by the manufacturer or with appropriate modifications.

How do I update the firmware on the Mitsubishi FR-A7NL E inverter?

To update the firmware, download the latest version from the Mitsubishi website, connect your computer to the inverter using a compatible interface, and follow the software update instructions provided with the firmware package.

How can I troubleshoot a communication error between the inverter and a PLC?

Check the communication cable connections, ensure the correct communication settings and protocols are configured, and verify that both devices are powered on and functioning properly. Reset the communication interface if necessary.

What is the procedure to configure the acceleration and deceleration times on the inverter?

Access the parameter settings via the keypad, locate the acceleration and deceleration time parameters, and adjust the values according to your application requirements. Save the settings and test the motor operation.

How can I check the operating status of the Mitsubishi FR-A7NL E inverter?

Use the inverter's keypad or display panel to access the status menu, which shows real-time information such as frequency, voltage, current, and any active alarms or faults.

What steps should be taken if the inverter overheats?

Ensure proper ventilation around the inverter by checking for obstructions and cleaning any dust from the cooling fan and heatsink. Verify that the ambient temperature is within the specified range and consider reducing the load or duty cycle if necessary.