OMRON Sysdrive 3G3HV - Detector Cooling Section

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Using the Inverter for Special Motors Pole-changing Motor The rated input current of pole-changing motors differs from that of standard motors. Select, therefore, an appropriate Inverter according to the maximum input current of the motor to be used. Before changing the number of poles, always make sure that the motor has stopped. Otherwise, the overvoltage protective or overcurrent protective mechanism will be actuated, resulting in an error. Submersible Motor The rated input current of submersible motors is higher than that of standard motors. Therefore, always select an Inverter by checking its rated output current. When the distance between the motor and Inverter is long, use a cable thick enough to connect the motor and Inverter to prevent motor torque reduction. Explosion-proof Motor When an explosion-proof motor or increased safety-type motor is to be used, it must be subject to an explosion-proof test in conjunction with the Inverter. This is also applicable when an existing explosion-proof motor is to be operated with the Inverter. Since the Inverter itself is, however, not explosion-proof, always install it in a safe place. Gearmotor The speed range for continuous operation differs according to the lubrication method and motor manufacturer. In particular, continuous operation of an oil-lubricated motor 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. Synchronous Motor A synchronous motor is not suitable for Inverter control. If a group of synchronous motors is individually turned ON and OFF, synchronism may be lost. Single-phase Motor Do not use an invertor for a single-phase motor. The motor should be replaced with a 3-phase motor. Power Transmission Mechanism (Speed Reducers, Belts, and Chains) If an oil-lubricated gearbox or speed reducer is used in the power transmission mechanism, oil lubrication will be affected when the motor operates only in the low speed range. The power transmission mechanism will make noise and experience problems with service life and durability if the motor is operated at a speed higher than 60 Hz.
Motor Burnout Due to Insufficient Dielectric Strength of Each Phase of the Motor Surge occurs among the phases of the motor when the output voltage is switched. If the dielectric strength of each phase of the motor is insufficient, the motor may burn out. The dielectric strength of each phase of the motor must be higher than the maximum surge voltage. Normally, the maximum surge voltage is approximately three times the power voltage imposed on the Inverter. Be sure to connect a dedicated motor to the 400-V Inverter. A standard motor may burn out if it is connected to the Inverter due to the insufficient dielectric strength of each phase of the standard motor.
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Function The 3G3HV High-capacity Ge
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• Two acceleration times and two
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Digital Operator Easy-setting indic
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3G3HV-A2110/-A2150/-A4110/-A4150 E
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3G3HV-B2750/-B411K/-B416K External
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Installation Conditions Cautions a
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Wiring Cautions and Warnings ! WAR
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• Do not mount the front cover wi
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400-V Class Model 3G3HV- A4037 to A
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Standard Connection Diagram For In
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Wiring Around the Main Circuit Syst
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Voltage class Model Terminal Termin
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Round Solderless Terminals and Tigh
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peak current may flow through the i
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inrush current will actuate the ove
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• When using more than one Invert
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atio of harmonics in the output cur
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Do not ground the secondary winding
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200-V Class with 3.7- to 7.5-kW Out
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Preparation Procedure Installation
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Nomenclature Easy-setting indicator
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Indicator Item Function Fref Speed
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Monitor Monitor item No. U-01 Frequ
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Check the rated input voltage of th
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Change the frequency reference and
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Set Values Set value Run command Fr
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n027 Frequency Reference 3 Setting
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n039 Multi-function Input 5 (S6) Se
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Select one of the 15 V/f patterns p
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n012 Maximum Frequency (FMAX) Setti
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Energy-saving Mode The Inverter in
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Note speed motors (e.g., spindle mo
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does not save unnecessary power sup
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PID Control PID (proportional, inte
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PID Control Function Refer to the f
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Set Values • The parameters n086,
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PID Parameters The following can be
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Suppression of Short-cycle Vibratio
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Function No. Name Description Setti
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Group 2: n035 to n049 Function No.
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Function Analog monitor function se
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Function I/O phase loss detection N
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Note 1. Do not set n001 to any valu
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Set Values Set value 0 The motor ca
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Characteristics of V/f Patterns Ge
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Note The V/f pattern will be a stra
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n029 Setting range Inching Frequenc
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Set Values Set Description value 0
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2-wire Sequence (n035 = 0) Wiring E
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Acceleration/Deceleration Time Swit
Page 107 and 108: Inverter Overheat Warning (Set Valu
Page 109 and 110: • The functions of multi-function
Page 111 and 112: Optional Frequency Detection: Outpu
Page 113 and 114: Note 2. To permit the Inverter to o
Page 115 and 116: n Carrier 0frequency (fc) 5 2.5 kHz
Page 117 and 118: When the Inverter is in normal oper
Page 119 and 120: n066 • Set with n065 DC control t
Page 121 and 122: • Set with n071 and n072 current
Page 123 and 124: Set Values Set Description value 0
Page 125 and 126: Protective and Diagnostic Functions
Page 127 and 128: Data display rh rr Description Brak
Page 129 and 130: Data display %h3 flashing %l3 flash
Page 131 and 132: verter if n002 is set to 0 or 2 or
Page 133 and 134: Controller Receives Noise When Inve
Page 135 and 136: Maintenance and Inspection Caution
Page 137 and 138: Specifications of Inverters General
Page 139 and 140: Control Characteristics Model 3G3HV
Page 141 and 142: 3G3HV-PCMA2 Voltage/Current Convers
Page 143 and 144: External Dimensions 75 min. 120 min
Page 145 and 146: 3G3IV-PJVOP95 Analog Operator (Mini
Page 147 and 148: 3G3IV-PLKEB Braking Resistor Unit T
Page 149 and 150: 3G3IV-PUZBAB A MH AC Reactor Connec
Page 151 and 152: Dimensions A B B1 C D E F H J K L M
Page 153 and 154: External Dimensions Model 3G3IV- Ap
Page 155 and 156: 3G3IV-PLF Output Noise Filter (Toki
Page 157: Notes on Using the Inverter for a M
Page 161 and 162: Voltage Enclosure rating Max. motor
Page 163 and 164: Function No. Name Description Setti
Page 167 and 168: Group 2: n035 to n049 Function No.
Page 169 and 170: Function Analog monitor function se
Page 175 and 176: Function No. n095 n096 n097 n098 n0
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OMRON Sysdrive 3G3HV - Detector Cooling Section

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