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You should assume that anything not described in this manual is not possible. 2. Although care has been given in documenting the product, please contact your OMRON representative if you have any suggestions on improving this manual. 3. The product contains potentially dangerous parts under the cover. Do not attempt to open the cover under any circumstances.
Chapter 1 Overview 1-1 Function The compact simple SYSDRIVE 3G3JV-Series Inverter ensures greater ease of use than any conventional model. The 3G3JV Inverter meets EC Directives and UL/cUL standard require- ments for worldwide use. SYSDRIVE 3G3JV Inverter Models The following 3- and single-phase 200-VAC-class 3G3JV models are available. Rated voltage Protective Maximum applied...
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Chapter 1 Overview Versatile Easy-to-use Functions Incorporates the functions and operability ensured by the conventional 3G3EV Series. Easy to initialize and operate with the FREQ adjuster on the Digital Operator. Ease of maintenance. The cooling fan is easily replaceable. The life of the cooling fan can be prolonged by turning on the cooling fan only when the Inverter is in operation.
Chapter 1 Overview 1-2 Nomenclature Panel Top protection cover Mounting holes (Two) Terminal block Digital Operator ALARM display RUN indicator Optional cover Front cover Terminal block Front cover mounting screw U-shaped cutouts (Two) Bottom protection cover Note 1. The front cover functions as a terminal cover. The Digital Operator Unit cannot be removed.
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Chapter 1 Overview Digital Operator Indicators Data display (Setting/Monitor item indicators) Keys FREQ adjuster Appearance Name Function Data display Displays relevant data items, such as frequency reference, output frequency, and parameter set values. FREQ adjuster Sets the frequency reference within a range between 0 Hz and the maximum frequency.
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Chapter 1 Overview Appearance Name Function Mode Key Switches the setting and monitor item indicators in sequence. Parameter being set will be canceled if this key is pressed before entering the setting. Increment Key Increases multi-function monitor numbers, parameter numbers, and parameter set values. Decrement Key Decreases multi-function monitor numbers, parameter numbers, and parameter set values.
Chapter 2 Design 2-1 Installation 2-1-1 Dimensions 3G3JV-A2001 to 3G3JV-A2007 (0.1 to 0.75 kW) 3-phase 200-VAC Input 3G3JV-AB001 to 3G3JV-AB004 (0.1 to 0.4 kW) Single-phase 200-VAC Input Dimensions (mm) Rated voltage ated o tage Model 3G3JV- ode 3G3J Weight (kg) e g t ( g) 3-phase 200 VAC 3 p ase 00...
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Chapter 2 Design 3G3JV-A2015 to 3G3JV-A2022 (1.5 to 2.2 kW) 3-phase 200-VAC Input 3G3JV-AB007 to 3G3JV-AB015 (0.75 to 1.5 kW) Single-phase 200-VAC Input Two, 5-dia. holes Dimensions (mm) Rated voltage ated o tage Model 3G3JV- ode 3G3J Weight (kg) e g t ( g) 3-phase 200 VAC 3 p ase 00 A2015...
Chapter 2 Design 2-1-2 Installation Conditions Caution Be sure to install the product in the correct direction and provide spe- cified clearances between the Inverter and control panel or with oth- er devices. Not doing so may result in fire or malfunction. Caution Do not allow foreign objects to enter inside the product.
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Chapter 2 Design Installation Direction and Dimensions Install the Inverter under the following conditions. Ambient temperature for operation (panel-mounting): –10 C to 50 C Humidity: 90% or less (no condensation) Install the Inverter in a clean location free from oil mist and dust. Alternatively, install it in a totally enclosed panel that is completely protected from floating dust.
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Chapter 2 Design Ambient Temperature Control To enhance operation reliability, the Inverter should be installed in an environment free from extreme temperature changes. If the Inverter is installed in an enclosed environment such as a box, use a cooling fan or air conditioner to maintain the internal air temperature below 50 C.
Chapter 2 Design 2-2 Wiring WARNING Wiring must be performed only after confirming that the power supply has been turned OFF. Not doing so may result in electrical shock. WARNING Wiring must be performed by authorized personnel. Not doing so may result in electrical shock or fire.
Chapter 2 Design 2-2-1 Removing and Mounting the Covers It is necessary to remove the front cover, optional cover, top protection cov- er, and the bottom protection cover from the Inverter to wire the terminal block. Follow the instructions below to remove the covers from the Inverter. To mount the covers, take the opposite steps.
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Chapter 2 Design Removing the Top and Bottom Protection Covers and Optional Cover Removing the Top and Bottom Protection Covers After removing the front cover, pull the top and bottom protection covers in the arrow 1 directions. Removing the Optional Cover After removing the front cover, lift the optional cover in the arrow 2 direction based on position A as a fulcrum.
Chapter 2 Design 2-2-2 Terminal Block Before wiring the terminal block, be sure to remove the front cover, top protection cover, and the bottom protection cover. Position of Terminal Block Ground terminal Main circuit input terminals Control circuit terminals Main circuit output terminals Ground terminal Arrangement of Control Circuit Terminals 2-10...
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Chapter 2 Design Arrangement of Main Circuit Terminals 3G3JV-A2001 to 3G3JV-A2007 3G3JV-A2015 to 3G3JV-A2022 3G3JV-AB001 to 3G3JV-AB004 3G3JV-AB007 to 3G3JV-AB015 Main Circuit Input Terminals Main Circuit Input Terminals (Upper Side) (Upper Side) Main Circuit Output Terminals Main Circuit Output Terminals (Lower Side) (Lower Side) 2-11...
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Chapter 2 Design Main Circuit Terminals Symbol Name Description R/L1 Power supply input 3G3JV-A2 : 3-phase 200 to 230 VAC terminals terminals 3G3JV AB 3G3JV-AB : Single-phase 200 to 240 VAC 200 t 240 VAC S/L2 Note Connect single phase input to terminals R/L1 Note Connect single-phase input to terminals R/L1 T/L3 and S/L2.
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Chapter 2 Design Control Circuit Terminals Symbol Name Function Signal level Input Forward/Stop Forward at ON. Stops Photocoupler at OFF. 8 mA at 24 VDC 8 mA at 24 VDC Multi-function input 1 Set by parameter n36 (S2) (Reverse/Stop) Multi-function input 2 Set by parameter n37 (S3) (External fault: Normal-...
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Chapter 2 Design Selecting Input Method Switches SW7 and SW8, both of which are located above the control circuit terminals, are used for input method selection. Remove the front cover and optional cover to use these switches. Selector Control circuit terminal block Selecting Sequence Input Method By using SW7, NPN or PNP input can be selected as shown below.
Chapter 2 Design Selecting Frequency Reference Input Method By using SW8, frequency reference voltage or current input can be selected. Parameter settings are required together with the selection of the frequency reference input method. Frequency reference input SW8 setting Frequency reference method selection (parameter n03) Voltage input...
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Chapter 2 Design Example of 3-wire Sequence Connections Stop switch switch (NO) (NC) RUN input (Operates with the stop switch and RUN switch closed.) Stop input (Stops with the stop switch opened.) Direction switch Forward/Stop reference (Forward with the direction switch opened and reverse with the direction switch closed.) Sequence input common Note Set parameter n37 for 3-wire sequence input.
Chapter 2 Design 2-2-4 Wiring around the Main Circuit Wire Size, Terminal Screw, Screw Tightening Torque, and Molded-case Circuit Breaker Capacities For the main circuit and ground, always use 600-V polyvinyl chloride (PVC) cables. If any cable is long and may cause voltage drops, increase the wire size according to the cable length.
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Chapter 2 Design Single-phase 200-VAC Model Model Terminal symbol Termi- Terminal Wire Recom- Circuit 3G3JV- torque size mended breaker screw (N m) wire capac- size ity (A) AB001 M3.5 0.8 to 1.0 0.75 to 2 2 R/L1, S/L2, T/L3, –, +1, +2, U/T1, V/T2, W/T3 AB002 M3.5...
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Chapter 2 Design Wiring on the Input Side of the Main Circuit Installing a Molded-case Circuit Breaker Always connect the power input terminals (R/L1, S/L2, and T/L3) and power supply via a molded case circuit breaker (MCCB) suitable to the Inverter. Choose an MCCB with a capacity of 1.5 to 2 times the Inverter’s rated current.
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Chapter 2 Design For the special-purpose breaker for Inverters, choose a ground fault interrupter with a sensitivity amperage of at least 10 mA per Inverter. When using a general leakage breaker, choose a ground fault interrupter with a sensi- tivity amperage of 200 mA or more per Inverter and with an operating time of 0.1 s or more.
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Chapter 2 Design Installing a Noise Filter on the Power Supply Side Install a Noise Filter to eliminate noise transmitted between the power line and the In- verter. Wiring Example 1 Power 3G3IV-PHF 3G3JV supply Noise SYSDRIVE Filter Programmable Controller Other controllers Note Use a special-purpose Noise Filter for the SYSDRIVE 3G3JV.
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Chapter 2 Design Wiring on the Output Side of the Main Circuit Connecting the Terminal Block to the Load Connect output terminals U/T1, V/T2, and W/T3 to motor lead wires U, V, and W. Check that the motor rotates forward with the forward command. Switch over any two of the output terminals to each other and reconnect if the motor rotates in reverse with the forward command.
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Chapter 2 Design Installing a Noise Filter on the Output Side Connect a Noise Filter to the output side of the Inverter to reduce radio noise and induc- tion noise. Power 3G3JV 3G3IV-PLF supply Noise SYSDRIVE Filter Induction noise Radio noise Signal line AM radio Controller...
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Chapter 2 Design Countermeasures against Radio Interference Radio noise is generated from the Inverter as well as the input and output lines. To re- duce radio noise, install Noise Filters on both input and output sides, and also install the Inverter in a totally enclosed steel box.
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Chapter 2 Design Ground Wiring Always use the ground terminal of the 200-V Inverter with a ground resistance of 100 Ω or less. Do not share the ground wire with other devices such as welding machines or power tools. Always use a ground wire that complies with technical standards on electrical equip- ment and minimize the length of the ground wire.
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Chapter 2 Design Countermeasures against Harmonics With the continuing development of electronics, the generation of harmon- ics from industrial machines has been causing problems recently. The Ministry of International Trade and Industry provided some guidelines in September 1994 for the suppression of harmonics from electrical house- hold appliances and electrical equipment in Japan.
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Chapter 2 Design Causes of Harmonics Generation Usually, electric machines have built-in circuitry that converts commercial AC power supply into DC power. Such AC power, however, contains harmonics due to the difference in current flow be- tween DC and AC. Obtaining DC from AC Using Rectifiers and Capacitors DC voltage is obtained by converting AC voltage into a pulsating one-side voltage with rectifiers and smoothing the pulsating one-side voltage with capacitors.
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Chapter 2 Design Countermeasures with Reactors against Harmonics Generation DC/AC Reactors The DC reactor and AC reactor suppress harmonics and currents that change suddenly and greatly. The DC reactor suppresses harmonics better than the AC reactor. The DC reactor used with the AC reactor suppresses harmonics more effectively.
Chapter 2 Design Reactor Effects Harmonics are effectively suppressed when the DC reactor is used with the AC reactor as shown in the following table. Harmonics o cs Harmonic generation rate (%) suppression 11th 13th 17th 19th 23rd 25th method har- har- har-...
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Chapter 2 Design Solderless Terminals for Control Circuit Terminals The use of solderless terminals for the control circuit terminals is recommended be- cause solderless terminals are easy to connect securely. Note When using the following solderless terminal, make sure that the wire size is 0.5 mm 1.0 dia.
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Chapter 2 Design Wiring Frequency Reference Input Terminals Wire the frequency reference input terminals FR and FC as described below for execut- ing frequency references with the D/A Unit for digital-to-analog data conversion or ex- ternal power supply. Wires Used Use shielded, twisted-pair wires for wiring in order to prevent the Inverter from malfunc- tioning due to noise.
Chapter 2 Design 2-2-6 Conforming to EC Directive The following description provides the wiring method of the Inverter to meet DC Directive requirements. If the following requirements are not sa- tisfied, the whole equipment incorporating the Inverter will need further confirmation.
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Chapter 2 Design Wiring the Power Supply Make sure that the Inverter and Noise Filter are grounded together. Always connect the power input terminals (R/L1, S/L2, and T/L3) and power supply via a dedicated Noise Filter. Reduce the length of the ground wire as much as possible. Locate the Noise Filter as close as possible to the Inverter.
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Chapter 2 Design Grounding the Shield In order to ground the shield securely, it is recommended that a cable clamp be directly connected to the ground plate as shown below. Cable clamp Ground plate Cable Shield LVD Conformance Always connect the Inverter and power supply via a molded case circuit breaker (MCCB) suitable to the Inverter for protecting the Inverter from damage that may result from short-circuiting.
Chapter 3 Preparing for Operation and Monitoring 3-1 Nomenclature Indicators Data display Setting/Monitor item indicators Keys FREQ adjuster Appearance Name Function Data display Displays relevant data items, such as frequency reference, output frequency, and parameter set values. FREQ adjuster Sets the frequency reference within a range between 0 Hz and the maximum frequency.
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Chapter 3 Preparing for Operation and Monitoring Appearance Name Function Mode Key Switches the setting and monitor item indicators in sequence. Parameter setting being made is canceled if this key is pressed before entering the setting. Increment Key Increases multi-function monitor numbers, parameter numbers, and parameter set values.
Chapter 3 Preparing for Operation and Monitoring 3-2 Outline of Operation Selecting Indicators Whenever the Mode Key is pressed, an indicator is lit in sequence begin- ning with the FREF indicator. The data display indicates the item corre- sponding to the indicator selected. The FOUT or IOUT indicator will be lit by turning the Inverter on again if the Inverter is turned off while the FOUT or IOUT indicator is lit.
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Chapter 3 Preparing for Operation and Monitoring Example of Frequency Reference Settings Indicator Display Explanation sequence example Power On Note If the FREF indicator has not been lit, press the Mode Key repeatedly until the FREF indicator is lit. Use the Increment or Decrement Key to set the frequency reference.
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Chapter 3 Preparing for Operation and Monitoring Example of Multi-function Display Indicator Display Explanation sequence Power On Press the Mode Key repeatedly until the MNTR indicator is lit. U01 will be displayed. Use the Increment or Decrement Key to select the monitor item to be displayed. Press the Enter Key so that the data of the selected monitor item will be displayed.
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Output terminal --- Output te Shows the ON/OFF status of outputs. status : Closed : Open Terminal MA: Multi-function used contact output Error log (most o og ( ost Displays the latest error. recent one) Error Software No. OMRON use only.
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Chapter 3 Preparing for Operation and Monitoring Example of Forward/Reverse Selection Settings Indicator Display Explanation sequence example Press the Mode Key repeatedly until the F/R indicator is lit. The present setting will be displayed. For: Forward; rEv: Reverse Use the Increment or Decrement Key to change the direction of motor rotation.
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Chapter 3 Preparing for Operation and Monitoring Example of Parameter Settings Cancels set data. In approximately 1 s. Indicator Display Explanation sequence example Power On Press the Mode Key repeatedly until the PRGM indicator is lit. Use the Increment or Decrement Key to set the parameter number.
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Chapter 3 Preparing for Operation and Monitoring 3-10...
Chapter 4 Test Run 4-1 Procedure for Test Run 4-2 Operation Example...
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Chapter 4 Test Run WARNING Turn ON the input power supply only after mounting the front cover, terminal covers, bottom cover, Operator, and optional items. Not doing so may result in electrical shock. WARNING Do not remove the front cover, terminal covers, bottom cover, Operator, or optional items while the power is being supplied.
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Chapter 4 Test Run Caution Do not perform a signal check during operation. Doing so may result in injury or damage to the product. Caution Do not carelessly change settings. Doing so may result in injury or damage to the product.
Chapter 4 Test Run 4-1 Procedure for Test Run 1. Installation and Mounting Install the Inverter according to the installation conditions. Refer to page 2-2. Ensure that the installation conditions are met. 2. Wiring and Connection Connect to the power supply and peripheral devices. Refer to page 2-7. Select peripheral devices which meet the specifications and wire correctly.
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Chapter 4 Test Run 7. No-load Operation Start the no-load motor using the Digital Operator. Set the frequency reference using the Digital Operator and start the motor using key sequences. 8. Actual Load Operation Connect the mechanical system and operate using the Digital Operator. When there are no difficulties using the no-load operation, connect the mechanical system to the motor and operate using the Digital Operator.
Chapter 4 Test Run 4-2 Operation Example Power Connection Checkpoints before Connecting the Power Supply Check that the power supply is of the correct voltage and that the motor output termi- nals (R/L1, S/L2, and T/L3) are connected to the motor correctly. 3G3JV-A2 : Three-phase 200 to 230 VAC 3G3JV-AB : Single-phase 200 to 240 VAC (Wire R/L1 and S/L2) Make sure that the motor output terminals (U/T1, V/T2, and W/T3) are connected to the...
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Chapter 4 Test Run Initializing Parameters Initialize the parameters using the following procedure. To initialize the parameters, set n01 to 8. Key sequence Indicator Display Explanation example Power On Press the Mode Key repeatedly until the PRGM indicator is lit. Press the Enter Key.
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Chapter 4 Test Run Key sequence Indicator Display Explanation example Displays the parameter number. Use the Increment or Decrement Key until n32 is displayed. Press the Enter Key. The data of n32 will be displayed. Use the Increment or Decrement Key to set the rated motor current.
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Chapter 4 Test Run After changing the frequency reference or the rotation direction, check that there is no vibration or abnormal sound from the motor. Check that no faults have occurred in the Inverter during operation. Stopping the Motor On completion of operating the motor in the no-load state in the forward or reverse direction, press the STOP/RESET Key.
Chapter 5 Basic Operation 5-1 Initial Settings 5-2 V/f Control 5-3 Setting the Local/Remote Mode 5-4 Selecting the Operation Command 5-5 Setting the Frequency Reference 5-6 Setting the Acceleration/Deceleration Time 5-7 Selecting the Reverse Rotation-prohibit 5-8 Selecting the Interruption Mode 5-9 Multi-function I/O 5-10 Analog Monitor Output...
Chapter 5 Basic Operation This section explains the basic settings required to operate and stop the Inverter. The settings of parameters described here will be sufficient for simple In- verter operations. First, make these basic settings, then skip to the explanations of those spe- cial functions, even when your application requires special functions, such as stall prevention, carrier frequency setting, overtorque detection, torque compensation, slip compensation.
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Chapter 5 Basic Operation Setting the Rated Motor Current (n32) Set the rated motor current (n32) in order to prevent the motor from burning due to over- loading. Check the rated current on the motor nameplate and set the parameter. This parameter is used for the electronic thermal function for motor overload detection (OL1).
Chapter 5 Basic Operation 5-2 V/f Control Setting the V/f Patterns (n09 to n15) Set the V/f pattern so that the motor output torque is adjusted to the required load torque. The 3G3JV incorporates an automatic torque boost function. Therefore, a maximum of 150% torque can be output at 3 Hz without changing the default settings.
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Chapter 5 Basic Operation Note Values will be set in 0.1-Hz increments if the frequency is less than 100 Hz and 1-Hz increments if the frequency is 100 Hz or greater. Output voltage (V) Note 1. Set the parameters so that the following condition will be satisfied.
Chapter 5 Basic Operation 5-3 Setting the Local/Remote Mode The 3G3JV operates in local or remote mode. The following description provides information on these modes and how to select them. Basic Concept Operation mode Basic concept Description Local The Inverter in a system Operation Command operates independently in Starts with the RUN Key of the Digital...
Chapter 5 Basic Operation 5-4 Selecting the Operation Command The following description provides information on how to input operation commands to start or stop the Inverter or change the direction of rotation of the Inverter. Two types of command input methods are available. Select either one of them according to the application.
Chapter 5 Basic Operation 5-5 Setting the Frequency Reference 5-5-1 Selecting the Frequency Reference The following description provides information on how to set the frequency reference in the Inverter. Select the method according to the operation mode. Remote mode:Select and set one out of five frequency references in n03. Local mode: Select and set one out of two frequency references in n07.
Chapter 5 Basic Operation Selecting the Frequency Reference (n07) in Local Mode Select the input method of frequency references in local mode. Two frequency references are available in local mode. Select one of them according to the application. Frequency Reference Selection in Local Changes during Mode operation...
Chapter 5 Basic Operation 5-5-3 Adjusting the Analog Input Input characteristic adjustments may be necessary for analog frequency references to be input. At that time, use the following parameters for gain, bias, and filter time parameter adjustments. FR Terminal Adjustments for Frequency Reference Input Gain and Bias Settings (n41 and n42) Set the input characteristics of analog frequency references in n41 (for the frequency reference gain) and n42 (for the frequency reference bias).
Chapter 5 Basic Operation 5-5-4 Setting Frequency References through Key Sequences The following description provides information on parameters related to frequency reference settings through key sequences on the Digital Opera- Setting Frequency References 1 through 8 and the Inching Frequency Command (n21 through n28 and n29) A total of nine frequency references (frequency references 1 through 8) and an inching frequency command can be set together in the Inverter.
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Chapter 5 Basic Operation Frequency Reference 8 Changes during operation Setting 0.0 to max. frequency Unit of 0.01 Hz Default setting range setting (see note 1) Note 1. Values will be set in 0.1-Hz increments if the frequency is less than 100 Hz and 1-Hz increments if the frequency is 100 Hz or over.
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Chapter 5 Basic Operation Note 2. In order to use the inching frequency command, one of the n36 through n39 parameters for multi-function input must be set to 10 as an inching frequency command. Parameter n29 is selectable by turning on the multi-function input set with the inching frequency command.
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Chapter 5 Basic Operation Setting the Key Sequential Frequency (n08) The Enter Key need not be pressed when changing the setting in n08. In that case, the frequency reference will change when the set value is changed with the Increment or Decrement Key while the data display is continuously lit.
Chapter 5 Basic Operation 5-6 Setting the Acceleration/Deceleration Time The following description provides information on parameters related to acceleration and deceleration time settings. Trapezoidal and S-shape acceleration and deceleration are available. Us- ing the S-shape characteristic function for acceleration and deceleration can reduce shock to the machinery when stopping or starting.
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Chapter 5 Basic Operation S-shape Acceleration/Deceleration Characteristic (n20) Trapezoidal and S-shape acceleration and deceleration are available. Using the S- shape characteristic function for acceleration and deceleration can reduce shock to the machinery when stopping or starting. Any one of three S-shape acceleration/deceleration times (0.2, 0.5, and 1.0 s) is se- lectable.
Chapter 5 Basic Operation 5-7 Selecting the Reverse Rotation-prohibit This parameter is used to specify whether to enable or disable the reverse rotation command sent to the Inverter from the control circuit terminals or Digital Operator. The parameter should be set to “not accept” when the Inverter is applied to systems that prohibit the reverse rotation of the Inverter.
Chapter 5 Basic Operation 5-8 Selecting the Interruption Mode This parameter is used to specify the interruption mode when the STOP command is input. The Inverter either decelerates or coasts to a stop according to the inter- ruption mode selection. Selecting the Interruption Mode (n04) Interruption Mode Selection Changes during...
Chapter 5 Basic Operation 5-9 Multi-function I/O 5-9-1 Multi-function Input The 3G3JV incorporates four multi-function input terminals (S2 through S5). Inputs into these terminals have a variety of functions according to the application. Multi-function Input (n36 through n39) Multi-function Input 1 (S2) Changes during operation Setting...
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Chapter 5 Basic Operation Set Values Value Function Description Forward/Reverse 3-wire sequence (to be set in n37 only) rotation command By setting n37 to 0, the set value in n36 is ignored and the following setting are forcibly made. S1: RUN input (RUN when ON) S2: STOP input (STOP when OFF) S3: Forward/Reverse rotation command (OFF: Forward;...
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Chapter 5 Basic Operation Value Function Description Local or remote ON: Local mode (operated with the Digital Operator) selection Note After this setting is made, mode selection with the Digital Operator is not possible. Emergency stop fault The Inverter stops according to the setting in n04 for (NO) interruption mode selection with the emergency stop input turned ON.
Chapter 5 Basic Operation Operation in 3-wire Sequence (n37 = 0) The Inverter operates in 3-wire sequence by setting n37 for multi-function input 2 to 0. Only n37 can be set to 0 (3-wire sequence). By making this setting, the set value in n36 is ignored and the following settings are forcibly made.
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Chapter 5 Basic Operation Set Values Value Function Description Fault output ON: Fault output (with protective function working) Operation in progress ON: Operation in progress (with RUN command input or inverter output) Frequency detection ON: Frequency detection (with frequency reference coinciding with output frequency) Idling ON: Idling (at less than min.
Chapter 5 Basic Operation 5-10 Analog Monitor Output The 3G3JV incorporates analog monitor output terminals AM and AC. These terminals have analog monitor values of output frequency or cur- rent. Setting the Analog Monitor Output (n44 and n45) The output frequency or current as a monitored item is set in n44. The analog output characteristics are set as an analog monitor output gain in n45.
Chapter 6 Advanced Operation 6-1 Setting the Carrier Frequency 6-2 DC Injection Braking Function 6-3 Stall Prevention Function 6-4 Overtorque Detection Function 6-5 Torque Compensation Function 6-6 Slip Compensation Function 6-7 Other Functions...
Chapter 6 Advanced Operation This chapter provides information on the use of advanced functions of the Inverter for operation. Refer to this chapter to use the various advanced functions, such as stall prevention, carrier frequency setting, overtorque detection, torque com- pensation, and slip compensation.
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Chapter 6 Advanced Operation Note The carrier frequency changes as shown in the following graph with 7 through 9 set in n46. Carrier Frequency (n46: 7 through 9) Carrier Frequency Output frequency 83.3 Hz (Set value: 7) 208.3 Hz (Set value: 7) 41.6 Hz (Set value: 8) 104.1 Hz (Set value: 8) 27.7 Hz (Set value: 9)
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Chapter 6 Advanced Operation Low Carrier Frequency at Low Speed Changes during operation Setting 0, 1 Unit of Default setting range setting Set Values Value Description Low carrier frequency at low speed disabled. Low carrier frequency at low speed enabled. Normally set n75 to 0.
Chapter 6 Advanced Operation 6-2 DC Injection Braking Function The DC injection braking function applies DC on the induction motor for braking control. Startup DC Injection Braking: This braking is used for stopping and starting the motor rotating by inertia with no regenerative processing.
Chapter 6 Advanced Operation 6-3 Stall Prevention Function A stall will occur if the motor cannot keep up with the rotating magnetic field on the motor stator side when a large load is applied to the motor or a sud- den acceleration/deceleration is performed.
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Chapter 6 Advanced Operation Stall Prevention Level during Changes during Acceleration operation Setting 30 to 200 (%) Unit of Set Values range setting Set Values This function is used to stop accelerating the load if the output current exceeds the set current value so that the Inverter will continue operating without stalling.
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Chapter 6 Advanced Operation Stall Prevention during Operation Changes during operation Setting 30 to 200 (%) Unit of Default setting range setting Set Values This function will decrease the output frequency if the output current exceeds the set current value by a minimum of approximately 100 ms so that the Inverter will continue operating without stalling.
Chapter 6 Advanced Operation 6-4 Overtorque Detection Function When an excessive load is applied to the equipment, the Inverter detects the overtorque condition through an increase in the output current. Overtorque Detection Function Selection Changes during operation Setting 0 to 4 Unit of Default setting range...
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Chapter 6 Advanced Operation Overtorque Detection Level Changes during operation Setting 30 to 200 (%) Unit of Default setting range setting Set Values Set the parameter as percentage based on the rated Inverter current as 100%. Overtorque Detection Time Changes during operation Setting 0.1 to 10.0 (s)
Chapter 6 Advanced Operation 6-5 Torque Compensation Function This function increases the output torque of the Inverter by detecting an increase in the motor load. Torque Compensation Gain Changes during operation Setting 0.0 to 2.5 Unit of Default setting range setting Set Values The default setting does not need any changes in normal operation.
Chapter 6 Advanced Operation 6-6 Slip Compensation Function The slip compensation function calculates the motor torque according to the output current, and sets gain to compensate for output frequency. This function is used to improve speed accuracy when operating with a load.
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Chapter 6 Advanced Operation Slip Compensation Gain Changes during operation Setting 0.0 to 2.5 Unit of Default setting range setting (see note) Note This parameter is disabled with the value set to 0.0. Set Values Set the parameter to 1.0 first and check the operation of the Inverter. Then fine-tune the gain with 0.1-gain increments or decrements.
Chapter 6 Advanced Operation 6-7 Other Functions The following description provides information on the other functions and parameter settings of the Inverter. 6-7-1 Motor Protection Characteristics (n33 and n34) This parameter setting is for motor overload detection (OL1). Motor Protection Characteristic Selection Changes during operation Setting 0 to 2...
Chapter 6 Advanced Operation Set Values This parameter is used to set the electronic thermal protection constant of motor over- load detection OL1. The default setting does not need any changes in normal operation. To set the parameter according to the characteristics of the motor, confirm the thermal time constant with the motor manufacturer and set the parameter with some margin.
Chapter 6 Advanced Operation 6-7-3 Momentary Power Interruption Compensation (n47) The parameter specifies the processing that will be performed when a momentary power interruption occurs. Momentary Power Interruption Changes during Compensation operation Setting 0 to 2 Unit of Default setting range setting Set Values...
Chapter 6 Advanced Operation Number of Fault Retries Changes during operation Setting 0 to 10 Unit of Default setting range setting Set Values Set the number of fault retries required. The count of fault retries will be cleared in any of the following cases. The Inverter is normal for 10 minutes continuously after the latest fault retry was made.
Chapter 6 Advanced Operation Set Values Set n49 and n50 for jump frequencies 1 and 2 to the central values of jumping frequen- cies. These values must satisfy the following condition. The value in n51 must be set for the jump width. This function is disabled with n51 set to 0.0.
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Chapter 6 Advanced Operation The parameter n40 for multi-function output must be set for the frequency detection function. Frequency Detection The parameter n40 for multi-function output must be set for frequency detection out- put. Set value: 2 for frequency detection Frequency Detection Operation Detection width 2 Hz Reset width 4 Hz Output...
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Chapter 6 Advanced Operation Set the frequency detection level in n58. Frequency Detection Level Changes during operation Setting 0.0 to 400 (Hz) Unit of 0.1 Hz Default setting range setting (see note) Note The value will be set in 0.1-Hz increments if the frequency is less than 100 Hz and 1-Hz increments if the frequency is 100 Hz or over.
Chapter 6 Advanced Operation 6-7-7 UP/DOWN Command Frequency Memory (n62) This function changes the reference frequency by turning the UP and DOWN com- mands on and off. In order to use this function, set n39 for multi-function inputs 4 to 34. Then the multi- function input 3 (S4) and multi-function input 4 (S5) terminals are set as described be- low.
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Chapter 6 Advanced Operation Set Values Value Description The frequency on hold is not retained. The frequency on hold for 5 s or more is retailed. Operation of UP/DOWN Function RUN command (Forward rotation) Time UP command (S4) Time DOWN command (S5) Time Output frequency...
Chapter 6 Advanced Operation When the RUN command for forward or reverse rotation is input, the Inverter will start operating at the lower limit regardless of whether the UP/DOWN command is input or not. When the UP/DOWN function and inching frequency command are both assigned to multi-function inputs, an inching frequency command input will have the highest prior- ity.
Chapter 7 Maintenance Operations 7-1 Protective and Diagnostic Functions 7-1-1 Fault Detection (Fatal Error) The Inverter will detect the following faults if the Inverter or motor burns or the internal circuitry of the Inverter malfunctions. When the Inverter detects a fault, the fault code will be displayed on the Digital Operator, the fault con- tact output will operate, and the Inverter output will be shut off causing the motor to coast to a stop.
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Chapter 7 Maintenance Operations Fault Fault name and Probable cause and remedy display meaning Overvoltage (OV) The deceleration time is too short. The main circuit DC Increase the deceleration time. voltage has reached the The power supply voltage is too high. overvoltage detection Decrease the voltage so it will be within level (410 VDC).
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Chapter 7 Maintenance Operations Fault Fault name and Probable cause and remedy display meaning Motor overload (OL1) The load is excessive. The electric thermal relay Reduce the load. actuated the motor Decrease the Inverter capacity. overload protective The V/f setting is incorrect. function.
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Chapter 7 Maintenance Operations Fault Fault name and Probable cause and remedy display meaning Overtorque detection The mechanical system is locked or has a failure. (OL3) Check the mechanical system and correct the There has been a current cause of overtorque. or torque the same as or The parameter settings were incorrect.
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Chapter 7 Maintenance Operations Fault Fault name and Probable cause and remedy display meaning Initial memory fault The internal circuitry of the Inverter has a fault. (F04) Initialize the Inverter with n01 set to 8 or 9 and An error in the built-in turn the Inverter off and on.
Chapter 7 Maintenance Operations 7-1-2 Warning Detection (Nonfatal Error) The warning detection is a type of Inverter protective function that does not operate the fault contact output and returns the Inverter to its original status once the cause of the error has been removed. The Digital Operator flashes and display the detail of the error.
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Chapter 7 Maintenance Operations Fault Fault name and Meaning Probable cause and remedy display Sequence error (SER) A sequence error has occurred. (flashing) A sequence change has been Check and adjust the local or remote input while the Inverter is in selection sequence as multi-function operation.
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Chapter 7 Maintenance Operations Fault Fault name and Meaning Probable cause and remedy display Emergency stop (STP) The parameter setting was incorrect. The Digital Operator stops (flashing) Turn off the forward or reverse operating. command once, check that the n06 parameter setting for STOP/RESET The STOP/RESET Key on the Key function selection, and restart the...
Chapter 7 Maintenance Operations 7-2 Troubleshooting Due to parameter setting errors, faulty wiring, and so on, the Inverter and motor may not operate as expected when the system is started up. If that should occur, use this section as a reference and apply the appropriate measures.
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Chapter 7 Maintenance Operations Input in 2-wire sequence while 3-wire sequence is in effect and vice-versa. The Inverter will operate in 3-wire sequence according to the RUN, stop, and for- ward/stop commands if n37 for multi-function input 2 is set to 0. At that time, the In- verter will not operate if input in 2-wire sequence is ON.
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Chapter 7 Maintenance Operations The motor does not operate with input through the control circuit terminals. (The frequency reference is zero or different from the set value.) The frequency reference setting is incorrect. The analog input of frequency references is ignored with the Digital Operator se- lected.
Chapter 7 Maintenance Operations 7-2-3 Motor Rotates in the Wrong Direction The output wiring of the motor is faulty. When the U/T1, V/T2, and W/T3 terminals of the Inverter are properly connected to the T1(U), T2(V), and T3(W) terminals of the motor, the motor operates in a forward direction when a forward rotation command is executed.
Chapter 7 Maintenance Operations The DC injection braking is insufficient. If the DC braking power is insufficient, adjust the value in n52 for DC injection control current. An inappropriate brake is being used. Use a brake intended for braking rather than holding. 7-2-7 Motor Burns The load is too big.
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Chapter 7 Maintenance Operations 7-2-8 Controller or AM Radio Receives Noise when Inverter is Started Noise derives from Inverter switching. Take the following actions to prevent noise. Lower the carrier frequency of the Inverter in n46. The number of internal switching times is reduced, so noise can be reduced to some extent.
Chapter 7 Maintenance Operations 7-2-10 Mechanical Vibration Mechanical system makes unusual noise. Resonance between the characteristic frequency of the mechanical system and the carrier frequency. There may be resonance between the characteristic frequency of the mechanical system and the carrier frequency. If the motor is running with no problems and the machinery system is vibrating with a high-pitched whine, it may indicate that this is occurring.
Chapter 7 Maintenance Operations 7-2-11 Motor Rotates after Output of Inverter is Turned Insufficient DC Control If the motor continues operating at low speed, without completely stopping, and after a deceleration stop has been executed, it means that the DC braking is not deceler- ating enough.
Chapter 7 Maintenance Operations 7-3 Maintenance and Inspection WARNING Do not touch the Inverter terminals while the power is being supplied. WARNING Maintenance or inspection must be performed only after turning OFF the power supply, confirming that the CHARGE indicator (or status indicators) is turned OFF, and after waiting for the time specified on the front cover.
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It is recommended that the ambient temperature and power-on time be reduced as much as possible to extend of the life of the Inverter. Note For details regarding maintenance, consult your OMRON representative. Replacement of Cooling Fan If the FAN fault is displayed or the cooling fan needs replacement, take the following steps to replace it.
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Chapter 7 Maintenance Operations Cooling Fan Models Inverter Cooling Fan 3-phase 200-VAC 3 p ase 00 3G3JV-A2007 3G3IV-PFAN2007 3G3JV-A2015 or 3G3JV-A2022 3G3IV-PFAN2015J Single-phase 200-VAC 3G3JV-AB015 3G3IV-PFAN2015J Replacing Cooling Fan of 68-mm-wide Inverter Model 1. Press the left and right sides of the fan cover located on the lower part of the radiation fin in the arrow 1 directions.
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Chapter 7 Maintenance Operations Replacing Cooling Fan of 108-mm-wide Inverter Model 1. Dismount the front cover, bottom cover, and fan connector CN4. Cooling fan connector (CN4 built in) Wiring groove Heat radiation fin (Heat sink) Fan wind direction 2. Press the left and right sides of the fan cover located on the lower part of the radiation fin in the arrow 1 directions.
Chapter 8 Specifications 8-1 Inverter Specifications 3-phase 3 phase Model 3G3JV- A2001 A2002 A2004 A2007 A2015 A2022 200 VAC 200-VAC Power Rated voltage 3-phase 200 to 230 VAC at 50/60 Hz models supply supply and frequency Allowable voltage –15% to 10% fluctuation Allowable frequency...
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Chapter 8 Specifications Control Control Overload capacity 150% of rated output current for 1 min charac- External frequency set Selectable with FREQ adjuster: 0 to 10 VDC (20 kΩ), 4 teristics to 20 mA (250 Ω), and 0 to 20 mA (250 Ω) signal Acceleration/deceleration 0.0 to 999 s (Independent acceleration and deceleration...
Chapter 8 Specifications 8-2 Option Specifications 8-2-1 EMC-compatible Noise Filter Be sure to select an optimum Noise Filter from the following so that the Inverter will satisfy EMC directive requirements of the EC Directives. Connect the Noise Filter between the power supply and the input terminals (R/L1, S/L2, and T/L3) of the Inverter.
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Chapter 9 List of Parameters Parame- Name Description Set- Unit Default Changes Refer- setting ter No. ting of set- during ence range ting opera- page tion Parameter Used to prohibit parameters to be written, 0, 1, 6, write-prohibit sets parameters, or change the monitor 8, 9 selection/pa- range of parameters.
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Chapter 9 List of Parameters Parame- Name Description Set- Unit Default Changes Refer- setting ter No. ting of set- during ence range ting opera- page tion STOP/RESET Used to select the stop method in remote 0, 1 Key function mode with n02 for operation mode selec- selection tion set to 1.
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Chapter 9 List of Parameters Parame- Name Description Set- Unit Default Changes Refer- setting ter No. ting of set- during ence range ting opera- page tion S-shape accel- Used to set S-shape acceleration/decel- 0 to 3 5-16 eration/decel- eration characteristics. eration charac- 0: No S-shape acceleration/deceleration teristic...
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Chapter 9 List of Parameters Parame- Name Description Set- Unit Default Changes Refer- setting ter No. ting of set- during ence range ting opera- page tion Rated motor Used to set the rated motor current for mo- 0.0 to 0.1 A Varies current tor overload detection (OL1) based on the...
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Chapter 9 List of Parameters Name Description Set- Unit Default Changes Ref- setting ram- ting of set- during eter range ting opera- ence tion page Multi-func- Used to select the functions of multi-function input 2 to 8, 5-19 tion input 1 tion input 1 terminals S2 through S5.
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Chapter 9 List of Parameters Name Description Set- Unit Default Changes Ref- setting ram- ting of set- during eter range ting opera- ence tion page Multi-func- 2 to 8, 5-19 External ON: Output shut off (while tion input 4 10 to base block motor coasting to a stop (Input termi-...
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Chapter 9 List of Parameters Name Description Set- Unit Default Changes Ref- setting ram- ting of set- during eter range ting opera- ence tion page Multi-func- 0 to 7, 5-22 Used to select the functions of multi-function output tion output tion output 10 to 10 to...
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Chapter 9 List of Parameters Name Description Set- Unit Default Changes Ref- setting ram- ting of set- during eter range ting opera- ence tion page Speed ON: Speed search in prog- search in ress progress Frequency Used to the input characteristics of analog frequen- 0 to 5-10 reference...
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Chapter 9 List of Parameters Name Description Set- Unit Default Changes Refer- setting rame- ting of set- during ence range ting opera- page tion Used to impose DC on the induction motor 0 to DC control for braking control. current Set the DC braking current in percentage based on the rated current of the Inverter based on the rated current of the Inverter...
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25.5 time constant Note The default setting does not need any changes in normal operation. OMRON’s control Do not change the set value. reference use OMRON’s control Do not change the set value. reference use OMRON’s control Do not change the set value.
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Note This parameter is monitored only. Software number Used to display the software number of the Inverter for OMRON’s control reference use. Note This parameter is monitored only. Note Values will be set in 0.1-Hz increments if the frequency is less than 100 Hz and 1-Hz increments if the frequency is 100 Hz or over.
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Chapter 10 Using Inverter for Motor Using Inverter for Existing Standard Motor When a standard motor is operated with the Inverter, a power loss is lightly higher than when operated with a commercial power supply. In addition, cooling effects also decline the low-speed range, resulting in an increase in the motor temperature.
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Chapter 10 Using Inverter for Motor Vibration The 3G3JV Series employs high carrier PWM control to reduce motor vibration. When the motor is operated with the Inverter, motor vibration is almost the same as when oper- ated with a commercial power supply. Motor vibration may, however, become greater in the following cases.
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Chapter 10 Using Inverter for Motor Gearmotor The speed range for continuous operation differs according to the lubrication method and motor manufacturer. In particular, the continuous operation of an oil-lubricated mo- tor in the low speed range may result in burning. If the motor is to be operated at a speed higher than 60 Hz, consult with the manufacturer.
Table of Contents Chapter 1. Overview ......1-1 Function ........... . . 1-2 Nomenclature .
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Table of Contents 6-2 DC Injection Braking Function ........6-3 Stall Prevention Function .
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Contents of Warning For 3G3JV-A2001 to A2007 (0.1 to 0.75 kW)/3G3JV-AB001 to AB004 (0.1 to 0.4 kW) For 3G3JV-A2015 to A2022 (1.5 to 2.2 kW)/3G3JV-AB007 to AB015 (0.75 to 1.5 kW) Checking Before Unpacking Checking the Product On delivery, always check that the delivered product is the SYSDRIVE 3G3JV Inverter that you ordered.
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Installation Type Closed wall mounting Voltage Class Three-phase 200-VAC input (200-V class) Single-phase 200-VAC input (200-V class) Maximum Applicable Motor Capacity 0.1 (0.1) kW 0.2 (0.25) kW 0.4 (0.55) kW 0.75 (1.1) kW 1.5 (1.5) kW 2.2 (2.2) kW Note The figures in parentheses indicate capacities for motors used outside Japan. Front Cover options Blank cover No potentiometer...
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Warning Labels Warning labels are pasted on the product as shown in the following illustration. Be sure to follow the instructions given there. Warning Labels Warning label...
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WARNING Be sure confirm that the RUN signal is turned OFF before turning ON the power supply, resetting the alarm, or switching the LOCAL/REMOTE selector. Doing so while the RUN signal is turned ON may result in injury. Caution Be sure to confirm permissible ranges of motors and machines before operation be- cause the Inverter speed can be easily changed from low to high.
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Caution Install external breakers and take other safety measures against short-circuiting in external wiring. Not doing so may result in fire. Caution Confirm that the rated input voltage of the Inverter is the same as the AC power sup- ply voltage. An incorrect power supply may result in fire, injury, or malfunction. Caution Connect the Braking Resistor and Braking Resistor Unit as specified in the manual.
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Transportation Precautions Caution Do not hold by front cover or panel , instead, hold by the radiation fin (heat sink) while transporting the product. Doing so may result in injury. Caution Do not pull on the cables. Doing so may result in damage to the product or malfunc- tion.
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Make sure that these protective covers are on the product before use. Consult your OMRON representative when using the product after a long period of storage. WARNING Do not touch the inside of the Inverter. Doing so may result in electrical shock.
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OMRON Product References All OMRON products are capitalized in this manual. The word “Unit” is also capitalized when it refers to an OMRON product, regardless of whether or not it appears in the proper name of the product. The abbreviation “Ch,” which appears in some displays and on some OMRON products, often means “word”...
Revision History A manual revision code appears as a suffix to the catalog number on the front cover of the manual. Cat. No. I528-E2-01 Revision code The following table outlines the changes made to the manual during each revision. Page numbers refer to the previous version.
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