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Mitsubishi Electric FR-A7AZ Instruction Manual
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Mitsubishi Electric FR-A7AZ Instruction Manual

Mitsubishi Electric FR-A7AZ Instruction Manual

700 series bipolar analog output function high resolution analog input function motor thermistor interface
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INVERTER
Plug-in option
FR-A7AZ

INSTRUCTION MANUAL

Bipolar analog output function
High resolution analog input function
Motor thermistor interface
PRE-OPERATION INSTRUCTIONS
INSTALLATION AND WIRING
PARAMETER LIST
BIPOLAR ANALOG OUTPUT
HIGH RESOLUTION ANALOG INPUT
MOTOR THERMISTOR INTERFACE
1
2
3
4
5
6

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Summary of Contents for Mitsubishi Electric FR-A7AZ

  • Page 1: Instruction Manual

    INVERTER Plug-in option FR-A7AZ INSTRUCTION MANUAL PRE-OPERATION INSTRUCTIONS Bipolar analog output function INSTALLATION AND WIRING High resolution analog input function PARAMETER LIST Motor thermistor interface BIPOLAR ANALOG OUTPUT HIGH RESOLUTION ANALOG INPUT MOTOR THERMISTOR INTERFACE...

  • Page 2: Safety Instructions

    Thank you for choosing this Mitsubishi Inverter plug-in option. SAFETY INSTRUCTIONS This Instruction Manual gives handling information and precautions for use of this equipment. Incorrect handling might cause an unexpected fault. Before using the equipment, please 1. Electric Shock Prevention read this manual carefully to use the equipment to its optimum.
  • Page 3 2. Injury Prevention 3) Usage WARNING CAUTION • Do not modify the equipment. • The voltage applied to each terminal must be the ones • Do not perform parts removal which is not instructed in this specified in the Instruction Manual. Otherwise burst, damage, etc.

  • Page 4: Table Of Contents

    ⎯ CONTENTS ⎯ 1 PRE-OPERATION INSTRUCTIONS Inverter model ............................1 Unpacking and product confirmation ....................2 1.2.1 Product confirmation............................2 1.2.2 Parts ................................3 Compatible inverters .........................4 2 INSTALLATION AND WIRING Pre-installation instructions ......................7 Installation procedure ........................8 Wiring..............................10 3 PARAMETER LIST 4 BIPOLAR ANALOG OUTPUT Connection diagram ........................16 Terminals ............................17 Bipolar analog outputting parameter.....................17...
  • Page 5 4.3.2 Calibration of the indicator (Pr. 838, Pr. 857, C0)..................18 4.3.3 Monitor item list ............................19 4.3.4 Terminal DA1 response level adjustment (Pr. 839)..................20 5 HIGH RESOLUTION ANALOG INPUT Connection diagram ........................21 Terminals ............................21 High resolution analog input parameter..................22 5.3.1 Parameter list ...............................

  • Page 6: Pre-Operation Instructions

    PRE-OPERATION INSTRUCTIONS Inverter model The inverter models 55K and 75K stated in this Instruction Manual differ according to -NA, -EC, -CH(T) versions. Refer to the following correspondence table for each inverter type. (Refer to the Instruction Manual of each inverter for the inverter type.) For example, "for the 75K or higher"...

  • Page 7: Unpacking And Product Confirmation

    PRE-OPERATION INSTRUCTIONS Unpacking and product confirmation Take the plug-in option out of the package, check the product name, and confirm that the product is as you ordered and intact. This product is a plug-in option dedicated for the FR-A series. Refer to page 4 for details of compatible inverters.

  • Page 8: Parts

    PRE-OPERATION INSTRUCTIONS 1.2.2 Parts Terminal Mounting Front view Rear view block hole FR-A7AZ Mounting Switch for manufacturer setting (SW3) hole Connector Mounting Do not change from initially-set status Connect to the inverter hole (1, 2: OFF option connector. (Refer to page 8.)

  • Page 9: Compatible Inverters

    PRE-OPERATION INSTRUCTIONS Compatible inverters This product can be used with the FR-A700 series inverters assembled in and after July 2006 and the FR- A701 series. Check the SERIAL number indicated on the inverter rating plate or package. Refer to the Inverter Manual for the location of the rating plate. Rating plate example Symbol Year Month...
  • Page 10 PRE-OPERATION INSTRUCTIONS (1) Japanese specification/NA specification Type SERIAL (the first three digits) FR-A720-0.4K to 90K, FR-A740-0.4K to 500K or later FR-A720-00030 to 03460-NA, FR-A740-00015 to 09620-NA (2) CHT specification Type SERIAL Type SERIAL FR-A740-0.4K/0.75K-CHT or later FR-A740-185K to 250K-CHT F67 or later FR-A740-1.5K to 3.7K-CHT or later...
  • Page 11 PRE-OPERATION INSTRUCTIONS (3) EC specification SERIAL Type (the first three digits) FR-A740-00023 to 00620-EC E67 or later FR-A740-00770 to 12120-EC* D67 or later * For the FR-A740-00770 to 12120-EC Check the SERIAL indicated on the serial number sticker shown below. Serial number sticker example Symbol Year...

  • Page 12: Installation And Wiring

    INSTALLATION AND WIRING Pre-installation instructions Make sure that the input power of the inverter is off. CAUTION With input power on, do not install or remove the plug-in option. Otherwise, the inverter and plug-in option may be damaged. Static electricity in your body must be discharged before you touch the product. Otherwise the product may be damaged.

  • Page 13: Installation Procedure

    INSTALLATION AND WIRING Installation procedure 1) Remove the inverter front cover. 2) Mount the hex-head screw for option mounting into the inverter screw hole (on earth plate). (Size 5.5mm, tightening torque 0.56N⋅m to 0.75N⋅m) 3) Securely fit the connector of the plug-in Screw hole for option to the inverter connector along option mounting...
  • Page 14 INSTALLATION AND WIRING CAUTION Only one type of option per inverter may be used. When two or more options are mounted, priority is in • order of inverter option connectors 1, 2 and 3, the options having lower priority are inoperative. When the inverter cannot recognize that the option is mounted due to improper •...

  • Page 15: 2.3 Wiring

    INSTALLATION AND WIRING 2.3 Wiring (1) Wire the shielded twisted pair cable after stripping its sheath to make Shield its wires loose. (perform protective treatment) Also, protect the shield of the twisted pair shielded cable to ensure that Sheath it will not contact with the conductive area. Shielded twisted pair cable Strip off the sheath for the below length.
  • Page 16 INSTALLATION AND WIRING REMARKS • Information on blade terminals Commercially available product examples (as of January 2010) Cable Size Blade Terminal Model Terminal Manufacturer Screw Size With insulation sleeve Without insulation sleeve Phoenix Contact 0.3, 0.5 AI 0,5-6WH A 0,5-6 Co.,Ltd.
  • Page 17 INSTALLATION AND WIRING (2) Loosen the terminal screw and insert the cable into the terminal. Screw Size Tightening Torque Cable Size Screwdriver Small flat-blade screwdriver 0.22N⋅m to 0.25N⋅m 0.3mm to 0.75mm (Tip thickness: 0.4mm/tip width: 2.5mm ) CAUTION • Undertightening can cause cable disconnection or malfunction. Overtightening can cause a short circuit or malfunction due to damage to the screw or unit.
  • Page 18 INSTALLATION AND WIRING (3) For wiring of the inverter which has one front cover, route cables between the control circuit terminal block and front cover. If cables cannot be routed between the control circuit terminal block and front cover due to the increased number of cables, remove a hook of the front cover and use a space become available.

  • Page 19: Parameter List

    PARAMETER LIST Use the following parameters with the FR-A7AZ. Set these as required. Parameter Minimum Initial Refer to Name Setting Range Number Increments Value Page High resolution analog input selection 0, 2 to 6, 9999 9999 Motor temperature detection filter...
  • Page 20 Terminal 6 gain (torque) 300% 0.1% 100% They can be set only when used with the FR-A7AZ. The parameter number in parentheses is the one for use with the parameter unit (FR-PU07/FR-PU04). The initial value of the EC and CHT version is 50Hz.

  • Page 21: Bipolar Analog Output

    BIPOLAR ANALOG OUTPUT Bipolar analog output is available with FR-A7AZ. Outputting 0 to ±10VDC enables output frequency, output voltage, etc. to be monitored with a DC voltage meter. Connection diagram Inverter MCCB Motor R/L1 Three-phase S/L2 AC power supply T/L3...

  • Page 22: Terminals

    0.05s DA1-0V adjustment 900% to 1100% 1000% ⎯ ⎯ ⎯ C0 (900) FM(CA) terminal calibration They can be set only when used with the FR-A7AZ. The parameter number in parentheses is the one for use with the parameter unit (FR-PU07/FR-PU04).

  • Page 23: Calibration Of The Indicator (Pr. 838, Pr. 857, C0)

    ⋅ If calibration is porformed without setting "21" (reference voltage output) in Pr. 838, terminal FM of the inverter is calibrated. ⋅ When FR-A7AZ is remounted on other inverter, use Pr. 857 and C0 (Pr. 900) of the inverter with the option to calibrate again.

  • Page 24: Monitor Item List

    BIPOLAR ANALOG OUTPUT 4.3.3 Monitor item list ⋅ Set the monitor to be output to the terminal DA1 (bipolar analog output (0 to ±10VDC voltage output)) in Pr. 838 DA1 terminal function selection. ⋅ Refer to the following table and set the monitor to be displayed. Refer to the Inverter Manual for details of monitors.

  • Page 25: Terminal Da1 Response Level Adjustment (Pr. 839)

    BIPOLAR ANALOG OUTPUT 4.3.4 Terminal DA1 response level adjustment (Pr. 839) ⋅ The response level of the output voltage of the terminal DA1 can be adjusted between 0 and 5s with Pr. 839. ⋅ Increasing the setting stabilizes the terminal DA1 output more but reduces the response level. REMARKS ⋅...

  • Page 26: High Resolution Analog Input

    HIGH RESOLUTION ANALOG INPUT High resolution analog input is available with FR-A7AZ. Inputting 0 to ±10VDC voltage enables speed command, torque limit command, torque command, torque bias, and stall prevention operation level input. Connection diagram Inverter MCCB Motor R/L1 Three-phase...

  • Page 27: High Resolution Analog Input Parameter

    0 to 300% 0.1% 100% They can be set only when used with the FR-A7AZ. For Pr. 406 , write is disabled during operation even when "2" is set in Pr. 77. When changing the parameter setting, stop the operation.

  • Page 28: Selection Of Terminal 6 Function (Pr. 406)

    HIGH RESOLUTION ANALOG INPUT 5.3.2 Selection of terminal 6 function (Pr. 406) (1) Terminal 6 function list Functions of terminal 6 change according to the Pr. 406 setting and control method. When a function is assigned to the terminal 6 while the same function is assigned to the terminal 1, 2, or 4, the input to the terminal 1, 2 or 4 becomes invalid.
  • Page 29 HIGH RESOLUTION ANALOG INPUT (2) Filter of terminal 6 input When giving the speed command or limiting the speed from terminal 6 input, settings of Pr. 822 Speed setting filter 1 and Pr. 832 Speed setting filter 2 are valid. When giving the torque command or limiting the torque from terminal 6 input, settings of Pr.

  • Page 30: Calibration Of Terminal 6 (Pr. 148, Pr. 149, Pr. 846 To Pr. 848, C30 To C37)

    HIGH RESOLUTION ANALOG INPUT 5.3.3 Calibration of terminal 6 (Pr. 148, Pr. 149, Pr. 846 to Pr. 848, C30 to C37) (1) Terminal 6 calibration parameter Use the following parameters for calibration of terminal 6 according to the Pr. 406 setting. Calibration Parameters Terminal 6 Related...
  • Page 31 HIGH RESOLUTION ANALOG INPUT (2) Calibration of speed command/speed limit (Pr. 406 = "0, 5") When Pr. 406 = "0, 5", terminal 6 acts as speed command or speed limit input and C30 to C33 are used for calibration parameter. Frequency Initial value Bias...
  • Page 32 HIGH RESOLUTION ANALOG INPUT (4) Calibration of stall prevention operation level (Pr. 406 = "4") When Pr. 406 = "4" under V/F control and Advanced magnetic flux vector control, terminal 6 acts as stall prevention operation level and Pr. 148 and Pr. 149 are used for calibration parameter. Current limit level(%) 200% Initial value...

  • Page 33: Noise Reduction Techniques

    ⋅ Connect to the common terminal of an analog command device. ⋅ Connect to both terminal 5 of the FR-A7AZ and common terminal of the analog command device. ⋅ Leave both terminal 5 of the FR-A7AZ and common terminal of the analog command device open. (leave the shielded cable suspended)

  • Page 34: Specifications

    HIGH RESOLUTION ANALOG INPUT (2) Measures of inverter ⋅ If a large value is set in Pr. 72 PWM frequency selection, decrease the Pr. 72 setting. (Noise from the motor increases.) ⋅ Increase the setting of speed (torque) setting filter Pr. 822, Pr. 832 (Pr. 826, Pr. 836) . CAUTION As changing the speed (torque) setting filter will affect the response level of the inverter to the command, adjust the setting by looking at the machine movement.

  • Page 35: Motor Thermistor Interface

    Thermistor FR-A7AZ Shielded twisted pair cable * When calibrating the thermistor, change the thermistor calibration status switch. (Refer to page 34.) CAUTION ⋅ To detect temperature with FR-A7AZ, be sure to use the SF-V5RU T/A, a dedicated motor with thermistor.

  • Page 36: Terminals

    Motor thermistor parameter 6.3.1 Parameter list Parameters below are used for motor thermistor interface. Following parameters are available only when used with FR-A7AZ. Parameter Minimum Initial Name Setting Range Number...

  • Page 37: Thermistor Setting

    MOTOR THERMISTOR INTERFACE 6.3.2 Thermistor setting When using the thermistor interface, set Pr. 408 Motor thermistor selection according to the motor type. Its initial value is "0" (SF-V5RU T). Set this parameter according to the motor. Minimum Initial Setting Parameter Name Setting Description...

  • Page 38: Activating The Motor Thermistor

    MOTOR THERMISTOR INTERFACE 6.3.3 Activating the motor thermistor Set Pr.407 ≠ "9999" to activate the motor thermistor. Activation of the motor thermistor enables thermal protection of the motor and slip compensation. ⋅ Normally set about "30s" in Pr.407. ⋅ When the response is slow to the motor temperature, set a smaller value. (1) Thermal protection of the motor ⋅...

  • Page 39: Thermistor Calibration (C29)

    ⋅ Calibration must be performed at installation. (1) Calibration method 1) Set the thermistor calibration status switch (SW2) to the line to place the FR-A7AZ in the calibration status. FR-A7AZ 2) Read C29 (Pr. 925) and set the compensation value.
  • Page 40 MOTOR THERMISTOR INTERFACE (2) Operation example of compensation value setting 1) Calibration using the operation panel (FR-DU07) Adjusting a compensation value as desired Select C29 in parameter setting mode. Turn Present compensation command value is displayed. The present setting at the instant of turning is displayed.
  • Page 41 MOTOR THERMISTOR INTERFACE 2) Calibration using the parameter unit (FR-PU07) SETTING MODE Pr.No. Read Pr. 925 in parameter setting mode. <READ> Set<WRITE> Ext<READ> Adjusting a compensation value as desired Current compensation setting 101.0% Current compensation 102.7% command value Input "99.2" using a numerical keypad. 99.2% 102.7% 101.0%...

  • Page 42: Motor Temperature Detection Signal

    750 * Motor temperature detection level 75°C 1°C 0 to 200°C * Read/write is enabled when using FR-A7AZ. Hysteresis range (5 C) Motor temperature Pr. 750 Time Y55 signal turns OFF when motor temperature become Pr. 750 or less (with hysteresis).

  • Page 43: Motor Temperature Monitor Output

    Set the following parameter to adjust the motor temperature on the full scale. Minimum setting Parameter Number Name Initial Value Setting Range increments 751 * Reference motor temperature 150°C 1°C 1 to 200°C * Read/write is enabled when using FR-A7AZ.
  • Page 44 MOTOR THERMISTOR INTERFACE Output from terminal FM (AM/CA) Output from terminal DA1 Terminal FM (AM/CA) Terminal DA1 output output 1440 pulses/s (10V/20mA) Outputs 0 when motor temperature is below 0 C Pr. 751 200 C -50 C Motor Pr. 751 200 C Motor temperature...
  • Page 45 REVISIONS *The manual number is given on the bottom left of the back cover. Print Date *Manual Number Revision Jul. 2006 IB(NA)-0600288ENG-A First edition Dec. 2011 IB(NA)-0600288ENG-B Addition ⋅ Compatibility with the FR-A701 series inverters ⋅ Motor temperature detection signal ⋅...
  • Page 46 INVERTER HEAD OFFICE: TOKYO BUILDING 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN IB(NA)-0600288ENG-B (1112) MEE Printed in Japan Specifications subject to change without notice.

This manual is also suitable for:

Fr-a720-75kFr-a720-55kFr-a740-75kFr-a740-55k

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