EQ7 Series Instruction Manual - TECO-Westinghouse Motor Company

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Circuit Diagram and Configuration Main Circuit Configuration of Control Circuit Summary of Operation ISW50 or ISW60 Input OFF (Commercial power) ON (Inverter) Run command ON OFF ON OFF Output (Status signal and magnetic contactor) SW52-1 SW52-2 SW88 52-1 52-2 88 OFF OFF ON OFF ON ON OFF Inverter operation OFF ON OFF Timing Scheme Switching from inverter operation to commercial-power operation ISW50/ISW60: ON OFF (1) The inverter output is shut OFF immediately (Power gate IGBT OFF) (2) The inverter primary circuit SW52-1 and the inverter secondary side SW52-2 are turned OFF immediately. (3) If a run command is present after an elapse of t1 (0.2 sec + time specified by H13), the commercial power circuit SW88 is turned ON. 4-81
Switching from commercial-power operation to inverter operation ISW50/ISW60: OFF ON (1) The inverter primary circuit SW52-1 is turned ON immediately. (2) The commercial power circuit SW88 is turned OFF immediately. (3) After an elapse of t2 (0.2 sec + time required for the main circuit to get ready) from when SW52-1 is turned ON, the inverter secondary circuit SW52-2 is turned ON. (4) After an elapse of t3 (0.2 sec + time specified by H13) from when SW52-2 is turned ON, the inverter synchronizes once the motor that has been freed from the commercial power to the commercial power frequency. Then the motor returns to the operation driven by the inverter. t1: 0.2 sec + Time specified by H13 (Restart mode after momentary power failure) t2: 0.2 sec + Time required for the main circuit to get ready t3: 0.2 sec + Time specified by H13 (Restart mode after momentary power failure) Selection of Commercial Power Switching Sequence J22 specifies whether or not to automatically switch to commercial-power operation when an inverter alarm occurs. Data for J22 Sequence (upon occurrence of an alarm) 0 Keep inverter-operation (Stop due to alarm.) 1 Automatically switch to commercial-power operation • The sequence operates normally also even when SW52-1 is not used and the main power of the inverter is supplied at all times. • Using SW52-1 requires connecting the input terminals [R0] and [T0] for an auxiliary control power. Without the connection, turning SW52-1 OFF loses also the control power. • The sequence operates normally even if an alarm occurs in the inverter except when the inverter itself is broken. Therefore, for a critical facility, be sure to install an emergency switching circuit outside the inverter. • Turning ON both the magnetic contactor MC (88) at the commercial-power side and the MC (52-2) at the inverter output side at the same time supplies main power mistakenly from the output (secondary) side of the inverter, which may damage the inverter. To prevent it, be sure to set up an interlocking logic outside the inverter. 4-82
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Preface The EQ7 product is designed
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7. Operation Method Configuration (
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Wiring • If no zero-phase current
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• Do not touch the heat sink and
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Conformity with UL standards and CS
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Conformity with UL standards and CS
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1.1 Drive Models Constant Torque (C
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• Storage environment The storage
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(5) Molded case circuit breaker (MC
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• From the system's safety point
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1.3 Precautions in running inverter
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Chapter 2 Mounting and Wiring the I
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Figure 2.3 Changing the Positions o
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2.3.2 Screw specifications and reco
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Power supply voltage Single-phase/
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Before removal of clip-off sections
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2.3.4 Wiring of main circuit termin
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DC reactor terminals P1 and P (+) C
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• Fan power supply switching conn
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When connecting a PWM converter wit
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Table 2.7 lists the symbols, names
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Table 2.7 Symbols, Names and Functi
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Table 2.7 Symbols, Names and Functi
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Wiring for control circuit terminal
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2.4 Mounting and Connecting the Key
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Never connect power supply wires to
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Table 3.1 Overview of Keypad Functi
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3.3 Running Mode 3.3.1 Running or s
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Table 3.4 Items Monitored (Continue
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3.4 Programming Mode Programming mo
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Basic configuration of screens Figu
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3.4.3 Checking changed function cod
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(3) Press key to establish the desi
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Basic key operation (1) Turn the in
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Chapter 4 Function Codes / Paramete
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F codes: Fundamental Functions Code
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Code Name Data setting range F37 Lo
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Change when running Data copying De
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C codes: Control Functions of Frequ
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H codes: High Performance Functions
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Code Name Data setting range H73 To
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Code Name Data setting range A18 Mo
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J codes: Application Functions 1 Co
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Inverter capacity HP 0.5 Auto-resta
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Table B Motor Parameters (Continued
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Configuring a reference frequency [
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• Gain and bias If F01 = 3 (the s
Page 100 and 101: • Specifying the initial value fo
Page 102 and 103: • Pulse count factor 1 (d62), Pul
Page 104 and 105: F03 Maximum Frequency 1 F03 specifi
Page 106 and 107: In vector control, current feedback
Page 108 and 109: • Acceleration/Deceleration patte
Page 110 and 111: F10 to F12 Electronic Thermal Overl
Page 112 and 113: F14 Restart Mode after Momentary Po
Page 114 and 115: If you enable the "Restart mode aft
Page 116 and 117: • Restart mode after momentary po
Page 118 and 119: Even if selecting "Trip after decel
Page 120 and 121: It is also possible to use an exter
Page 122 and 123: The table below shows the condition
Page 124 and 125: F29 to F31 F32, F34, F35 Analog Out
Page 126 and 127: • V/f characteristics The EQ7 ser
Page 128 and 129: Related function codes Function cod
Page 130 and 131: Under vector control without/with s
Page 132 and 133: Data for H75 Target quadrants Patte
Page 134 and 135: F42 Drive Control Selection 1 H68 (
Page 136 and 137: F43, F44 Current Limiter (Mode sele
Page 138 and 139: • Allowable average loss (F51) Th
Page 140 and 141: 4.2.2 E codes (Extension Terminal F
Page 142 and 143: Terminal function assignment and da
Page 144 and 145: • When the motor speed decreases
Page 146 and 147: Example of Operation Time Scheme Al
Page 148 and 149: When the PID control is disabled: T
Page 152 and 153: Examples of Sequence Circuits 1) St
Page 154 and 155: • Enable battery operation -- BAT
Page 156 and 157: Precautions (1) The battery power s
Page 158 and 159: Function code data Active ON Active
Page 160 and 161: • Universal DO -- U-DO (Function
Page 162 and 163: • Enable input OFF -- EN OFF (Fun
Page 164 and 165: E34, E35 Overload Early Warning/Cur
Page 166 and 167: • Display coefficients for PID da
Page 168 and 169: E44 LED Monitor (Display when stopp
Page 170 and 171: E54 Frequency Detection 3 (Level) (
Page 172 and 173: E64 Saving of Digital Reference Fre
Page 174 and 175: 4.2.3 C codes (Control functions) C
Page 176 and 177: C20 Jogging Frequency H54, H55 (Acc
Page 178 and 179: 4.2.4 P codes (Motor 1 Parameters)
Page 180 and 181: P05, A19 Motor 1 / 2 (Online tuning
Page 182 and 183: P53, P54 Motor 1 (%X correction fac
Page 184 and 185: Chapter 6 Speed Reference Command C
Page 186 and 187: Analog Reference: 0 - 20mA / 4 - 20
Page 188 and 189: H30 Communications Link Function Se
Page 190 and 191: 7.2 Run/Stop from External Switch /
Page 192 and 193: 7.3 Run/Stop from Serial Communicat
Page 194 and 195: Chapter 8 Motor and Application Spe
Page 196 and 197: 8.3 Torque Boost (F09, Default 0.1)
Page 198 and 199: When the variable torque V/f patter
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Chapter 9 Using PID Control for Con
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Feedback Signal 0 - 10V (E61 = 5) G
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Chapter 10 Troubleshooting 10.1 Pro
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Table 10.1 Abnormal States Detectab
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10.3 If Neither an Alarm Code Nor "
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Possible Causes (5) The acceleratio
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[ 6 ] The motor does not accelerate
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10.3.2 Problems with inverter setti
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[ 3 ] Overvoltage Problem The DC li
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[ 7 ] Heat sink overheat Problem Te
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[ 12 ] Fuse blown Problem The fuse
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[ 17 ] PG wire break Problem The pu
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[ 24 ] Tuning error Problem Auto-tu
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[ 28 ] Speed mismatch or excessive
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[ 36 ] Enable circuit failure Probl
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10.7 If the Inverter is Running on
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VT mode designed for variable torqu
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CT mode designed for constant torqu
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VT mode designed for variable torqu
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l Item Specifications Remarks Enabl
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Item Specifications Remarks Overcur
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11.3 External Dimensions 11.3.1 Sta
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11.3.3 DC reactor (DCR) Power suppl
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Figure A Figure B Figure C Figure D
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11.3.5 Keypad (TP-G1W-J1) Drill fou
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EQ7 Series Instruction Manual - TECO-Westinghouse Motor Company

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