Mitsubishi Electric FR-E8AXY E KIT Instruction Manual
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Mitsubishi Electric FR-E8AXY E KIT Instruction Manual

Mitsubishi Electric FR-E8AXY E KIT Instruction Manual

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INVERTER
Plug-in option
FR-E8AXY E KIT
INSTRUCTION MANUAL
Additional control circuit
input/output
PRE-OPERATION INSTRUCTIONS
INSTALLATION
CONTROL CIRCUIT INPUT SIGNAL
CONTROL CIRCUIT OUTPUT SIGNAL
1
2
3
4

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Summary of Contents for Mitsubishi Electric FR-E8AXY E KIT

  • Page 1 INVERTER PRE-OPERATION INSTRUCTIONS Plug-in option INSTALLATION FR-E8AXY E KIT CONTROL CIRCUIT INPUT SIGNAL INSTRUCTION MANUAL CONTROL CIRCUIT OUTPUT SIGNAL Additional control circuit input/output...

  • Page 2: Safety Instructions

    Safety instructions Thank you for choosing this Mitsubishi Electric 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, read all relevant instruction manuals carefully to ensure proper use.
  • 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 installation  Do not install or operate the plug-in option if it is damaged or has parts missing. ...

  • Page 4: Table Of Contents

    — CONTENTS — Safety instructions PRE-OPERATION INSTRUCTIONS Unpacking and checking the product..........................5 1.1.1 Product confirmation ................................5 1.1.2 Checking the SERIAL number of the inverter ........................6 Component names ................................7 1.2.1 Checking the SERIAL number of the plug-in option ......................8 Specifications ..................................9 INSTALLATION Pre-installation instructions ............................11...
  • Page 5 3.2.6 Frequency setting voltage bias and gain ..........................41 3.2.7 Setting the torque limit level ..............................48 3.2.8 Torque setting voltage bias and gain ..........................52 3.2.9 Response level of analog input and noise elimination ......................58 Frequency setting using pulse train input ........................59 CONTROL CIRCUIT OUTPUT SIGNAL Digital output..................................65 4.1.1...

  • Page 6: Pre-Operation Instructions

    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. This product is a plug-in option made for the FR-E800 series inverters. 1.1.1 Product confirmation Check the enclosed items.

  • Page 7: Checking The Serial Number Of The Inverter

    1.1.2 Checking the SERIAL number of the inverter The FR-E8AXY can be used with the models of inverters listed below which have the following SERIAL number. Check the SERIAL number indicated on the inverter rating plate or package. Rating plate example □□...

  • Page 8: Component Names

    Component names Rear view Front view Refer to Symbol Name Description page Mounting hole Used to fix this product to the inverter by inserting a mounting screw or a spacer. Connected to the device to input the signal to the inverter, and the device to Terminal block receive the signal from the inverter.

  • Page 9: Checking The Serial Number Of The Plug-In Option

    1.2.1 Checking the SERIAL number of the plug-in option □ ○ ○ ○○○ SERIAL Symbol  Year  Month   Control number SERIAL The SERIAL consists of one symbol, two characters indicating the production year and month, and three characters indicating the control number. The last digit of the production year is indicated as the Year, and the Month is indicated by 1 to 9, X (October), Y (November), or Z (December).

  • Page 10: Specifications

    Specifications  Input signal  Digital input Item Description Number of terminals Input resistance: 4.7 kΩ Rated specification Voltage when contacts are open: 21 to 26 VDC Current when contacts are short-circuited: 4 to 6 mADC  Pulse train input Item Description Number of terminals...
  • Page 11  Output signal  Digital output Item Description Number of terminals Permissible load: 24 VDC (27 VDC at maximum) 0.1 A Rated specification (The voltage drop is 3.4 V at maximum while the signal is ON.)  Analog output Item Voltage output Output signal 0 to ±10 VDC max.

  • Page 12: Installation

    INSTALLATION Pre-installation instructions Check that the inverter's input power and the control circuit power are both OFF. CAUTION • Do not install or remove this product while the inverter power is ON. Doing so may damage the inverter or this product. •...
  • Page 13  For the FR-E820-0175(3.7K) or lower, FR-E840-0170(7.5K) or lower, and FR-E860-0120(7.5K) or lower Remove the inverter front cover. (Refer to the FR-E800 Instruction Manual (Connection) for instructions to remove the cover.) Use a nipper or the like to cut off the bottom of the front cover for plug-in option. Ensure no burr is left.
  • Page 14 Fit the junction connector, which has been connected to the plug-in option, to the guide of the option connector on the inverter, and insert the junction connector as far as it goes. Fasten this product to the inverter using the two mounting screws through the holes on either side (tightening torque 0.33 to 0.40 N·m).
  • Page 15  For the FR-E820-0240(5.5K) or higher Remove the upper front cover and the lower front cover from the inverter. (Refer to the FR-E800 Instruction Manual (Connection) for instructions to remove the covers.) Use a nipper or the like to cut off the dummy cover of the lower front cover in order to install the option small cover. Upper front cover Dummy cover Ensure no burr is left.
  • Page 16 Remove the body screws of the inverter, then install the hexagon spacers to the inverter (tightening torque 0.56 to 0.75 N·m). Fit the junction connector, which has been connected to the plug-in option, to the guide of the option connector on the inverter, and insert the junction connector as far as it goes.
  • Page 17 Install the lower front cover to the inverter. 6. Plug-in option 5. Hexagon spacer 7. Mounting screw 10. Front cover for plug-in option 4. Junction connector 9. Recessed neck screw 7. Mounting screw 4. Straight spacer 10. Option small cover 11.
  • Page 18  Insertion positions for screws and spacers Mounting screw Straight spacer Connector L-shaped spacer Mounting screw INSTALLATION...
  • Page 19 NOTE • When the junction connector is installed to the plug-in option, the option is fixed with the hooks of the connector. The junction connector cannot be removed from the plug-in option. • When removing the front cover for plug-in option from the inverter, note that the recessed neck screw cannot be removed from the front cover for plug-in option.

  • Page 20: Wiring

    Wiring For the wiring, strip off the sheath of a cable, and use it with a crimp terminal. For a single wire, strip off the sheath of the wire and apply directly. Insert the crimp terminal or the single wire into a socket of the terminal. Strip the signal wires as follows.
  • Page 21 Crimp terminals commercially available (as of October 2020. The product may be changed without notice.) Ferrule part No. Crimping tool Manufacturer Without insulation Wire gauge (mm model No. With insulation sleeve For UL wire sleeve AI 0,34-10TQ — — AI 0,5-10WH —...
  • Page 22 Insert the cable into a socket. When using a single wire or stranded wires without a crimp terminal, push the open/close button all the way down with a flathead screwdriver, and insert the wire. Open/close button Flathead screwdriver • Wire removal Pull the wire while pushing the open/close button all the way down firmly with a flathead screwdriver.
  • Page 23 NOTE • When using stranded wires without a crimp terminal, twist enough to avoid short circuit with a nearby terminals or wires. • Pulling out the wire forcefully without pushing the open/close button all the way down may damage the terminal block. •...

  • Page 24: Control Circuit Input Signal

    CONTROL CIRCUIT INPUT SIGNAL Digital input The input terminal functions can be selected by using parameters. 3.1.1 Connection example MCCB Inverter Motor R/L1 Three-phase S/L2 AC power supply T/L3 FR-E8AXY X1 terminal function selection X2 terminal function selection X3 terminal function selection X4 terminal function selection...

  • Page 25: Terminals

    3.1.2 Terminals Type Terminal symbol Terminal function Specifications Input resistance: 4.7 kΩ X1 to X7 Contact input terminal Input signal current: 5 mADC / 24 VDC Digital input Input resistance: 2 kΩ X7 (dual-purpose) Pulse train input terminal Input signal current: 12 mADC / 24 VDC When the sink logic is selected When using internal power supply: Connected to terminal 24V...

  • Page 26: Control Logic (Sink/Source) Change

    3.1.3 Control logic (sink/source) change The control logic of digital input signals of the FR-E8AXY can be switched by wiring of terminal S/S. Terminal S/S of the FR- E8AXY is separated from the contact input circuit of the inverter. This allows the control logic different from that of the inverter. ...
  • Page 27  Connection diagram Sink logic Source logic Inverter Inverter SOURCE SINK SOURCE SINK FR-E8AXY FR-E8AXY NOTE • Terminal PC of the inverter is separated from the FR-E8AXY. • Change the control logic of the inverter before installing the FR-E8AXY. For details, refer to the FR-E800 Instruction Manual (Connection).

  • Page 28: Digital Input Function Parameter List

    3.1.4 Digital input function parameter list Use Pr.525 to Pr.531 to assign signals to terminal X1 to X7. The settings of Pr.525 to Pr.531 are the same as those of Pr.178 to Pr.189 (Input terminal function selection). For details of Pr.178 to Pr.189, refer to the FR-E800 Instruction Manual (Function).

  • Page 29: Analog Input

    Analog input Analog input via terminal 1 is available. Auxiliary frequency (speed) setting and torque limit command are available by inputting a voltage of 0 to ±10 VDC. 3.2.1 Connection example MCCB Inverter Motor R/L1 Three-phase S/L2 AC power supply T/L3 FR-E8AXY (Analog common)

  • Page 30: Terminals

    3.2.2 Terminals Type Terminal symbol Terminal function Specifications Input resistance: 10 to 11 kΩ Input voltage range: 0 to ±10 VDC Analog input Analog voltage input terminal Permissible maximum voltage: ±20 VDC Resolution: 10 bits Common terminal Common terminal for terminal 1 —...

  • Page 31: Analog Input Selection

    3.2.3 Analog input selection The functions to switch the analog input terminal specifications, override function, and forward/reverse rotation by the input signal polarity are selectable. Name Initial value Setting range Description The terminal 1 input specification (0 to ±5 V, 0 to ±10 V) of the FR-E8AXY and the terminal 2 input Analog input selection 0 to 7, 10 to 17...
  • Page 32  Analog input specification selection • To change the input specification, change the setting of Pr.73 and the voltage/current input selection switch (switch 2) of the inverter. Set Pr.73 and the switch 2 according to the following table. Compensation input terminal Pr.73 setting Terminal 1 input Terminal 2 input...
  • Page 33 NOTE • For details on the addition compensation and override function, refer to page • Use C14 (Pr.918) Terminal 1 gain frequency (speed) to change the maximum output frequency at the input of the maximum output frequency command voltage. At this time, the command voltage need not be input. The acceleration/ deceleration time is shown as a slope up/down to the acceleration/deceleration reference frequency.

  • Page 34: Analog Input Terminal (Terminal 1) Function Assignment

    3.2.4 Analog input terminal (terminal 1) function assignment The analog input terminal 1 function can be selected by using a parameter. Name Initial value Setting range Description Terminal 1 function 9999 0, 2, 4, 9999 Select the terminal 1 function. T010 assignment Functions such as auxiliary frequency (speed) setting and torque limit are selectable for terminals 1 used for analog input.
  • Page 35  Changing the control mode with external terminals (MC signal) • To use ON/OFF of the MC signal to switch the control mode, set Pr.800 or Pr.451. Refer to the FR-E800 Instruction Manual (Function) and set Pr.800 or Pr.451. To input the MC signal, set "26" in any parameter from Pr.178 to Pr.189, or Pr.525 to Pr.531 (Input terminal function selection) to assign the function.
  • Page 36 NOTE • Switching between the speed control and the torque control is always enabled regardless of the motor status: in a stop, in running, or in DC injection brake (during pre-excitation). • During operation, the control mode is switched between speed control and position control when the output frequency reaches Pr.865 Low speed detection or lower with no position command given.

  • Page 37: Analog Input Compensation

    3.2.5 Analog input compensation The analog input for multi-speed operation or speed setting (main speed) through terminal 2 or 4 of the inverter can be compensated by adding an input, or terminal 2 can be used for an auxiliary input to compensate the analog input at a fixed ratio using the override function.
  • Page 38  Compensation by addition (Pr.242, Pr.243) Forward Inverter rotation Auxiliary input 0 to 10V( 5V) FR-E8AXY Example of addition compensation connection • A compensation signal can be added to the main speed setting for such as synchronous or continuous speed control operation.
  • Page 39 Pr.242 Analog command value with use of terminal 2 = terminal 2 input + terminal 1 input × 100(%) Pr.243 Analog command value with use of terminal 4= terminal 4 input + terminal 1 input × 100(%) Output frequency Output frequency When voltage across When voltage across terminals 2 and 5 is 2.5 V...
  • Page 40 NOTE • When Pr.868 ≠ "0", the compensation is not performed. • When terminal 1 is not used for the compensation, apply 0 V to terminal 1. • After changing the Pr.73 setting, check the setting of the voltage/current input selection switch. Incorrect setting may cause a fault, failure, or malfunction.
  • Page 41 • How to calculate the set frequency when the override function is used: Main speed setting frequency (Hz): Terminal 1 or 4 input, multi-speed setting Compensation (%): Terminal 2 input Compensation (%) Set frequency (Hz) = Main speed setting frequency (Hz) × 100(%) •...

  • Page 42: Frequency Setting Voltage Bias And Gain

    3.2.6 Frequency setting voltage bias and gain The magnitude (slope) of the output frequency can be set as desired in relation to the frequency setting signal (0 to 5 VDC or 0 to 10 VDC). Use Pr.73 Analog input selection to switch between input 0 to 5 VDC and 0 to 10 VDC. (Refer to page 30.) Name...
  • Page 43  Relationship between the analog input terminal function and the calibration parameter Calibration parameter Pr.868 Terminal function setting Bias setting Gain setting C12 (Pr.917) Terminal 1 bias frequency C14 (Pr.918) Terminal 1 gain frequency Auxiliary frequency (speed) (speed) (speed) setting C13 (Pr.917) Terminal 1 bias (speed) C15 (Pr.918) Terminal 1 gain (speed) Regenerative driving torque limit...
  • Page 44  Analog input bias/gain calibration (C12 (Pr.917) to C15 (Pr.918)) • The "bias"/"gain" function can adjust the relation between the output frequency and the setting input signal. Examples of setting input signals are 0 to 5 VDC or 0 to 10 VDC, and they are externally input. •...
  • Page 45 NOTE • When the slope of the frequency is changed after calibration of terminal 2 of the inverter, the slope of the frequency is also changed for terminal 1 of the FR-E8AXY. • When voltage is applied to terminal 1 while calibration of terminal 2 or terminal 4 is in progress, the terminal 1 input value is added to the terminal 2 (4) input value.
  • Page 46  Frequency setting voltage bias/gain adjustment method  Adjustment by applying voltage between terminals 1 and 5 to set the voltage at the bias/gain frequency (Example of adjustment at the gain frequency) Operating procedure Turning ON the power of the inverter The operation panel is in the monitor mode.
  • Page 47  Adjustment by selecting the voltage at the bias/gain frequency without applying voltage between terminals 1 and 5 (Example of adjustment at the gain frequency) Operating procedure Turning ON the power of the inverter The operation panel is in the monitor mode. Changing the operation mode Press the PU/EXT key to choose the PU operation mode.
  • Page 48  Adjustment by only changing the frequency without adjusting the voltage (Example of changing the gain frequency from 60 Hz to 50 Hz) Operating procedure Selecting the parameter Turn the setting dial or press the UP/DOWN key until "C14" (C14 (Pr.918) Terminal 1 gain frequency (speed)) appears. Press the SET key to show the present set value.

  • Page 49: Setting The Torque Limit Level

    3.2.7 Setting the torque limit level Limit the output torque not to exceed the specified value. The torque limit level can be set in a range of 0% to 400%. The torque limit level can be selected by using the analog input terminal (terminal 1). Name Initial value Setting range...
  • Page 50  Block diagram of torque limit <Real sensorless vector control> Torque limit Speed control Iq current control Speed command + Speed estimator  Selecting the torque limit input method (Pr.810) • Use Pr.810 Torque limit input method selection to select the method to limit the output torque for speed control. The method in the initial setting is use of the parameter settings.
  • Page 51 • When Pr.858 Terminal 4 function assignment = "4" and Pr.868 = "2", the torque for regenerative driving is limited with the terminal 1 analog input of the FR-E8AXY, and the torque for power driving is limited with the terminal 4 analog input of the inverter.
  • Page 52 • The torque limit using analog input can be calibrated by the calibration parameters C16 (Pr.919) to C19 (Pr.920). (Refer to page 52.) Gain C18(Pr.920) Bias Initial C16(Pr.919) value 100% Torque setting signal C17(Pr.919) C19(Pr.920) Calibration example of terminal 1 NOTE •...

  • Page 53: Torque Setting Voltage Bias And Gain

    3.2.8 Torque setting voltage bias and gain The magnitude (slope) of the torque can be set as desired in relation to the torque setting signal (0 to 5 VDC or 0 to 10 VDC). Name Initial value Setting range Description (919) Terminal 1 bias command (torque) 0% to 400%...
  • Page 54  Relationship between the analog input terminal function and the calibration parameter Calibration parameter Pr.868 Terminal function setting Bias setting Gain setting C12 (Pr.917) Terminal 1 bias frequency C14 (Pr.918) Terminal 1 gain frequency Auxiliary frequency (speed) (speed) (speed) setting C13 (Pr.917) Terminal 1 bias (speed) C15 (Pr.918) Terminal 1 gain (speed) Regenerative driving torque limit...
  • Page 55  Analog input bias/gain calibration (C16 (Pr.919) to C19 (Pr.920)) • The "bias"/"gain" function can adjust the relation between the torque and the torque limit setting input signal. Examples of setting input signals are 0 to 5 VDC or 0 to 10 VDC, and they are externally input. •...
  • Page 56 NOTE • Always calibrate the input after changing the input specification using Pr.73.  Display unit changing for analog input (Pr.241) • The analog input display unit (%/V) can be changed for analog input bias/gain calibration. • Depending on the terminal input specification setting of Pr.73, the units of the displayed values of C17 (Pr.919) and C19 (Pr.920) change as shown below: Analog command (terminal 1) Pr.241 = "0 (initial value)"...
  • Page 57  Torque setting voltage bias/gain adjustment method  Adjustment by applying voltage between terminals 1 and 5 to set the voltage at the bias/gain torque Operating procedure Turning ON the power of the inverter The operation panel is in the monitor mode. Changing the operation mode Press the PU/EXT key to choose the PU operation mode.
  • Page 58  Adjustment by selecting the voltage at the bias/gain torque without applying voltage between terminals 1 and 5 Operating procedure Turning ON the power of the inverter The operation panel is in the monitor mode. Changing the operation mode Press the PU/EXT key to choose the PU operation mode. The [PU] indicator turns ON. Selecting the parameter setting mode Press the MODE key to choose the parameter setting mode.

  • Page 59: Response Level Of Analog Input And Noise Elimination

     Adjustment by only changing the torque without adjusting the gain voltage (Example of changing the gain torque from 150% to 130%) Operating procedure Selecting the parameter Turn the setting dial or press the UP/DOWN key until "C18" (C18 (Pr.920)) appears. Press the SET key to show the present set value.

  • Page 60: Frequency Setting Using Pulse Train Input

    Frequency setting using pulse train input A pulse train input via terminal X7 can be used to set the inverter's speed command. Setting Name Initial value Description range X7 signal Pulse train input selection D100 Pulse train input Pulse train input disabled Input pulse division scaling Division ratio on the input pulse.
  • Page 61  Selection of pulse train input (Pr.291) • Setting Pr.291 Pulse train input selection = "1" and Pr.384 Input pulse division scaling factor ≠ "0" allows the function of terminal X7 to change into a pulse train input for setting of the inverter frequency. In the initial setting, no function is assigned to terminal X7.
  • Page 62 • Connection with a complementary output system pulse generator Sink logic Source logic Inverter Inverter 24 V power 2 kΩ 24 V power 2 kΩ NOTE • When pulse train input is selected, the function assigned to terminal X7 by Pr.531 X7 terminal function selection is invalid. CONTROL CIRCUIT INPUT SIGNAL...
  • Page 63  Pulse train input specification Item Specification Open collector output Supported pulse method Complementary output (24 V power supply voltage) HIGH input level 20 V or more (voltage between X7 and SD) LOW input level 5 V or less (voltage between X7 and SD) Maximum input pulse rate 100k pulses/s Minimum input pulse width...
  • Page 64  Adjustment of pulse train and frequency (Pr.385, Pr.386) • The frequency during zero input pulse and maximum input pulse can be set with Pr.385 Frequency for zero input pulse and Pr.386 Frequency for maximum input pulse, respectively. Limit value  60Hz Pr.386 (Hz)
  • Page 65 NOTE • The priority of the frequency command given by the external signals is as follows: JOG operation (JOG/JOG2 signal) > stop- on-contact control (RL/RT signal) > multi-speed operation (RL/RM/RH/REX signal) > PID control (X14 signal) > terminal 4 analog input (AU signal) > pulse train input (option FR-E8AXY) > 16-bit digital input (option FR-A8AX) > terminal 2 analog input.

  • Page 66: Control Circuit Output Signal

    CONTROL CIRCUIT OUTPUT SIGNAL Digital output 4.1.1 Connection example Inverter MCCB Motor R/L1 Three-phase S/L2 AC power supply T/L3 FR-E8AXY DO1 output selection DO2 output selection Open collector output common Sink/source common CONTROL CIRCUIT OUTPUT SIGNAL...

  • Page 67: Terminals

    4.1.2 Terminals Use Pr.314 and Pr.315 to output inverter signals (RUN, SU, etc.) from the open collector. Terminal Terminal name Description symbol Assign the function using Pr.314. Digital output terminal Assign the function using Pr.315. Common terminal Common terminal for terminals Y1 and Y2. Isolated from terminal SE of the inverter. CONTROL CIRCUIT OUTPUT SIGNAL...

  • Page 68: Digital Output Function Parameter List

    4.1.3 Digital output function parameter list Name Initial value Setting range DO1 output selection 9999 M411 For details of the setting range, refer to the description of Pr.190 to Pr.196 (Output terminal function selection) in the FR-E800 Instruction Manual (Function). DO2 output selection 9999 M412...
  • Page 69  Adjusting the output terminal response level (Pr.418) The responsivity of the output terminals can be delayed in a range from 5 to 50 ms. (The following is the operation example of the RUN signal.) Time Pr.418 = 9999 Pr.418 ≠ 9999 Pr.418 Pr.418 NOTE...

  • Page 70: Analog Output

    Analog output 4.2.1 Connection example Use Pr.306 to Pr.309 to output analog signals, such as output frequency and output current, from the analog output terminal (AM1). Connect the voltmeter as follows. MCCB Inverter Motor R/L1 Three-phase S/L2 AC power supply T/L3 (Voltmeter) 0 to ±10 VDC...

  • Page 71: Terminals

    4.2.2 Terminals Terminal Terminal name Description symbol Voltage output terminal Connect the DC voltmeter (±10 VDC). Common terminal Common terminal for terminal AM1 CONTROL CIRCUIT OUTPUT SIGNAL...

  • Page 72: Extended Analog Output Function Parameter List

    4.2.3 Extended analog output function parameter list Initial Name Setting range value For details of the setting range, refer to the description of Pr.158 AM Analog output signal selection terminal function selection in the FR-E800 Instruction Manual M303 (Function). Setting for zero analog output 0% to 100% M340 Setting for maximum analog output...

  • Page 73: Adjustment Procedure

    4.2.4 Adjustment procedure  Analog output voltage/current signal switchover (Pr.309) setting To output the output signal with analog output, set values for zero analog output and maximum analog output. Parameter Description Parameter for setting Pr.309 setting adjustment Pr.306: Select the output signal. Analog output is performed using the 0 (initial value), 1 Pr.307: Output signal value when analog output is zero...
  • Page 74  Calibration of meter START Connect a DC voltmeter across terminals AM1 At this time, check that the polarity is correct and 5. If the meter needle does not indicate zero when the voltage input is at zero, Calibrate the meter at zero voltage output calibrate the meter using Pr.323.
  • Page 75  Setting output signals Set the output signals to be monitored. Negative values can be used for indication via terminal AM1 (output range: -10 to +10 VDC). The setting of Pr.306 is the same as that of Pr.158 AM terminal function selection. For details of Pr.158, refer to the FR-E800 Instruction Manual (Function).
  • Page 76 NOTE • When the Pr.307 setting value is equal to or larger than the Pr.308 setting value, the output value for terminal AM1 will always be zero. Pr.309 = "10 or 11" Pr.290 = "0, 1, 4, or 5" (without negative output) Pr.290 = "8, 9, 12, or 13"...

  • Page 77: Precautions

    4.2.5 Precautions • When using a voltmeter with a lower internal impedance than the value indicated in the Specifications (refer to page 9), the indicator may not go to full-scale, making it unable to calibrate in some cases. • When calibrating a meter with small full scale, first adjust the output from terminal AM1, then connect the meter. CAUTION •...
  • Page 78 MEMO CONTROL CIRCUIT OUTPUT SIGNAL...

  • Page 79: Revisions

    REVISIONS *The manual number is given on the bottom left of the back cover. Revision date *Manual number Revision Jun. 2023 IB(NA)-0600998ENG-A First edition IB(NA)-0600998ENG-A...
  • Page 80 INVERTER HEAD OFFICE: TOKYO BUILDING 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN IB(NA)-0600998ENG-A(2306) MEE Printed in Japan Specifications subject to change without notice.

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