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Mitsubishi Electric 800 Series Instruction Manual
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Mitsubishi Electric 800 Series Instruction Manual

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INVERTER
Plug-in option
FR-A8AN
INSTRUCTION MANUAL
Isolated analog current input function
Isolated analog current output function
PRE-OPERATION INSTRUCTIONS
INSTALLATION AND WIRING
ANALOG CURRENT INPUT
ANALOG CURRENT OUTPUT
1
2
3
4

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Summary of Contents for Mitsubishi Electric 800 Series

  • Page 1 INVERTER Plug-in option FR-A8AN INSTRUCTION MANUAL Isolated analog current input function Isolated analog current output function PRE-OPERATION INSTRUCTIONS INSTALLATION AND WIRING ANALOG CURRENT INPUT ANALOG CURRENT OUTPUT...
  • Page 2 Thank you for choosing this Mitsubishi inverter plug-in option. This Instruction Manual provides handling information and precautions for use of this product. Incorrect handling might cause an unexpected fault. Before using this product, always read this Instruction Manual carefully to use this product correctly. Please forward this Instruction Manual to the end user.
  • Page 3  Additional Instructions The following instructions must be also followed. If the product is handled incorrectly, it may cause unexpected fault, an injury, or an electric shock. Caution Transportation and mounting  Do not install or operate the plug-in option if it is damaged or has parts missing. ...

  • Page 4: Table Of Contents

    ─ CONTENTS ─ 1 PRE-OPERATION INSTRUCTIONS Unpacking and checking the product.......................5 1.1.1 Product confirmation............................5 1.1.2 SERIAL number check ...........................6 Component names .............................7 Specifications .............................8 2 INSTALLATION Pre-installation instructions ........................9 Installation procedure ..........................9 Wiring ................................12 3 ANALOG CURRENT INPUT Wiring example ............................14 Internal block diagram ..........................15 Terminals..............................16 Analog current input function parameter list..................17...
  • Page 5 Terminals..............................24 Analog current output function parameter list ..................25 4.4.1 Setting of analog output signal voltage/current switchover (Pr. 309) ............26 4.4.2 Calibration of meter ............................27 4.4.3 Output signal setting............................. 28 4.4.4 Analog signal adjustment (Pr. 307, Pr. 308, Pr. 311, Pr. 312, Pr. 323, Pr. 324) .......... 29 Instructions ...............................30...

  • Page 6: Pre-Operation Instructions Unpacking And Checking The Product

    PRE-OPERATION INSTRUCTIONS Unpacking and checking the product Take the plug-in option out of the package, check the product name, and confirm that the product is as you ordered and intact. The product is a plug-in option for the FR-A800 series. 1.1.1 Product confirmation Check the enclosed items.

  • Page 7: Serial Number Check

    1.1.2 SERIAL number check The plug-in option is compatible with the inverter having the following SERIAL number or later. Check the SERIAL number indicated on the inverter rating plate or package.  SERIAL number check Rating plate example The SERIAL consists of one symbol, two characters indicating ...

  • Page 8: Component Names

    Component names Front view Rear view Refer to Symbol Name Description page Mounting hole Fixes the option to the inverter with screws, or installs spacers. Terminal block Connect signal cables. Switch for manufacturer setting  Do not change the initially-set status. (Switches 1 and 2 are OFF (SW3) Connector Connects to the option connector of the inverter.

  • Page 9: Specifications

    Specifications • Output signals Across terminals AM2 and AC2: 4-20mADC Across terminals AM3 and AC3: 4-20mADC • Output resolution 1μA • Display accuracy (reference value) ±10% of the full scale output value This value depends on the output signal type •...

  • Page 10: Installation Pre-Installation Instructions

    INSTALLATION Pre-installation instructions Check that the inverter's input power and the control circuit power are both 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. ...
  • Page 11 Spacer Mounting screw Connector 3 Spacer Mounting screw Spacer Spacer Connector 2 Connector 1 Spacer Spacer Mounting screw Mounting screw Insertion positions for screws and spacers INSTALLATION...
  • Page 12 NOTE • When mounting/removing the plug-in option, hold the sides of the option. Do not press on the parts on the circuit board. Stress applied to the parts by pressing, etc. may cause a failure. • Caution must be applied to mounting screws falling off when removing and mounting the plug-in option. •...

  • Page 13: Wiring

    Wiring (1) Untwist the shielded twisted pair cables after stripping its sheath. Shield Also, perform protective treatment of the shield to ensure that it will not make contact with the (perform protective treatment) conductive area. Sheath Strip off the sheath for the below length. If the length of the sheath pealed is too long, a short circuit may occur with neighboring wires.
  • Page 14 (2) Loosen the terminal screw and insert the cable into the terminal. Terminal Tightening torque Cable size Screwdriver screw size Small flat-blade screwdriver 0.22N.m to 0.25N.m 0.3mm to 0.75mm (Tip thickness: 0.4mm/tip width: 2.5mm ) NOTE • Undertightening can cause cable disconnection or malfunction. Overtightening can cause a short circuit or malfunction due to damage to the screw or unit.

  • Page 15: Analog Current Input Wiring Example

    ANALOG CURRENT INPUT Wiring example 4 to 20mA current input gives the frequency command to the inverter. The FR-A8AN can substitute for terminal 2 of the inverter. Connect the current signal source as shown below: Inverter Motor Power supply Forward rotation start Reverse rotation start FR-A8AN Current signal...

  • Page 16: Internal Block Diagram

    Internal block diagram The following is the internal block diagram about the FR-A8AN analog current input function. conversion Controller Connector Isolation barrier ANALOG CURRENT INPUT...

  • Page 17: Terminals

    Terminals Terminal symbol Terminal name Description 4-20mA current 4-20mA current input signal for the positive connection input (+) 4-20mA current 4-20mA current input signal for the common connection input common ANALOG CURRENT INPUT...

  • Page 18: Analog Current Input Function Parameter List

    Analog current input function parameter list Initial Setting Minimum value Name group range increments T000 Analog input selection 0 to 7, 10 to 17 T002 Input filter time constant 0 to 8 M043 Analog input display unit switchover 0, 1 T021 Terminal 1 added compensation amount (terminal 2/ Terminal 40) 0 to 100%...

  • Page 19: Setting And Adjustment Of Analog Current Input

    Setting and adjustment of analog current input 3.5.1 Analog input selection You can select the function that switches between forward rotation and reverse rotation according to the analog current input terminal selection specifications, the override function and the input signal polarity. Setting Pr.
  • Page 20 NOTE • Make sure that the parameter and switch settings are the same to use terminal 4. A different setting may cause a fault, failure or malfunction. (For details, refer to the Instruction Manual(Detailed) of the inverter.) • The terminal 1 (frequency setting auxiliary input) signal is added to the main speed setting signal of the terminal 40 or •...

  • Page 21: Bias And Gain Of Frequency Setting Current (Pr. 125, Pr. 241, C2(Pr. 902) To C4(Pr. 903))

    3.5.2 Bias and gain of frequency setting current (Pr. 125, Pr. 241, C2(Pr. 902) to C4(Pr. 903)) You can set the magnitude (slope) of the output frequency as desired in relation to the frequency setting signal (4 to 20mADC). When using analog current input of the FR-A8AN, be sure to calibrate with Pr. 125, C2 to C4 before starting operation. ...

  • Page 22: Adjustment Of Analog Input

     Analog input display unit changing (Pr. 241) • You can change the analog input display unit (%/V/mA) for analog input bias/gain calibration. • The display units of C3 (Pr. 902) and C4 (Pr. 903) change as shown below. Analog command Pr.

  • Page 23: Analog Current Output Wiring Example

    ANALOG CURRENT OUTPUT Wiring example By setting the Pr. 306 to Pr. 312 values, analog signals such as the output frequency and output current can be output from the current output terminal AM2 and AM3. Connect the ammeter as shown below: Inverter Motor Power...

  • Page 24: Internal Block Diagram

    Internal block diagram The following is the internal block diagram about the FR-A8AN analog current output function. Current amplifier Controller Common to AM2 Connector Current amplifier Common to AM3 Isolation barrier ANALOG CURRENT OUTPUT...

  • Page 25: Terminals

    Terminals Terminal symbol Terminal name Description Current output Connect a DC ammeter (20mADC). terminal Common terminal Common to AM2 ∗1 Common terminal Common to AM3 ∗1  Do not use empty terminals. ANALOG CURRENT OUTPUT...

  • Page 26: Analog Current Output Function Parameter List

    Analog current output function parameter list When the FR-A8AN is mounted on the inverter, the following parameters are extended. Perform the settings as required. Minimum Pr. group Name Setting range Initial value increments M303 Analog output signal selection  M340 Setting for zero analog output 0 to 100% 0.1%...

  • Page 27: Setting Of Analog Output Signal Voltage/Current Switchover (Pr. 309)

    4.4.1 Setting of analog output signal voltage/current switchover (Pr. 309) Use Pr. 309 Analog output signal voltage/current switchover to select whether to output the same signal or different signals from terminal AM2 and terminal AM3. Parameters Pr. 309 Parameters for setting setting Description Terminal...

  • Page 28: Calibration Of Meter

    4.4.2 Calibration of meter (1) Outputting the same selected signals from terminals AM2 and AM3 (Pr. 309 = “0 or 10”) START Connect a DC ammeter across terminals AM2 At this time, check that the polarity is correct. and AC2 (or terminal AM3 and AC3). Set "21"...

  • Page 29: Output Signal Setting

    (2) Outputting different selected signals from terminals AM2 and AM3 (Pr. 309 = “1 or 11”) START Connect a DC ammeter across terminal At this time, check that the polarity is correct AM2 and terminal AC2 and across terminal AM3 and terminal AC3 respectively. Set "21"...

  • Page 30: Analog Signal Adjustment (Pr. 307, Pr. 308, Pr. 311, Pr. 312, Pr. 323, Pr. 324)

    4.4.4 Analog signal adjustment (Pr. 307, Pr. 308, Pr. 311, Pr. 312, Pr. 323, Pr. 324) The analog output values for minimum and maximum output signals are fixed at 20% and 100% (4mA and 20mA). The output signals at 4mA and 20mA are set using Pr. 307, Pr. 308, Pr. 311, and Pr. 312. Calibration of 4 to 20mA current output function on bias side is set using Pr.

  • Page 31: Instructions

    Instructions • When both the FR-A8AN and a plug-in option FR-A8AY are mounted, analog output function (Pr. 306 to Pr. 312) of the FR- A8AN has precedence. For the FR-A8AY, only digital output function (Pr. 313 to Pr. 319) is valid. •...
  • Page 32 MEMO...
  • Page 33 REVISIONS *The manual number is given on the bottom left of the back cover. Print date *Manual number Revision Sep. 2014 IB(NA)-0600561ENG-A First edition IB(NA)-0600561ENG-A...
  • Page 34 INVERTER HEAD OFFICE: TOKYO BUILDING 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN IB(NA)-0600561ENG-A(1409) MEE Printed in Japan Specifications subject to change without notice.

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Fr-a8an

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