User manual OMRON VARISPEED G7

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[. . . ] TOE-S616-60. 2 VARISPEED G7 General purpose inverter (Advanced Vector Control) INSTRUCTION MANUAL YASKAWA Varispeed G7 INSTRUCTION MANUAL GENERAL PURPOSE INVERTER (ADVANCED VECTOR CONTROL) MODEL: CIMR-G7C 200V CLASS 0. 4 to 110kW (1. 2 to 160kVA) 400V CLASS 0. 4 to 300kW (1. 2 to 460kVA) Upon receipt of the product and prior to initial operation, read these instructions thoroughly, and retain for future reference. YASKAWA MANUAL NO. TOE-S616-60. 2 Preface This manual is designed to ensure correct and suitable application of Varispeed G7-Series Inverters. Read this manual before attempting to install, operate, maintain, or inspect an Inverter and keep it in a safe, convenient location for future reference. Before you understand all precautions and safety information before attempting application. General Precautions · The diagrams in this manual may be indicated without covers or safety shields to show details. [. . . ] This constant can be monitored or set only when 1 is set for C6-01 and F is set for C6-02. Displayed in Quick Programming Mode when motor 2 is set for a multi-function input. 6-38 Machine Protection Control Mode and Carrier Frequency Settings Carrier frequency settings are restricted as listed in the following table according to the control mode selection. Control Mode Carrier Frequency 1: 2. 0 kHz 2: 5. 0 kHz 3: 8. 0 kHz 4: 10. 0 kHz 5: 12. 5 kHz 6: 15. 0 kHz F: Any setting* Detailed settings are available in C6-03, C6-04, and C6-05. 1: 2. 0 kHz 2: 5. 0 kHz 3: 8. 0 kHz 4: 10. 0 kHz 5: 12. 5 kHz 6: 15. 0 kHz F: Any setting* The upper limit of the carrier frequency is determined by C6-03. 1: 2. 0 kHz 2: 4. 0 kHz 3: 6. 0 kHz 4: 8. 0 kHz V/f control with or without a PG Open-loop vector control 1 or Flux vector control Open-loop vector control 2 * The upper limit of the carrier frequency depends on the Inverter capacity. Carrier Frequency Setting Precautions When selecting the carrier frequency, observe the following precautions. · Adjust the carrier frequency according to the cases shown below. If the wiring distance between Inverter and motor is long: Set the carrier frequency low. (Use the following values as guidelines. ) Wiring Length C6-02 (carrier frequency selection) setting 50 m or less 1 to 6 (15 kHz) 100 m or less 1 to 4 (10 kHz) Over 100 m 1 to 2 (5 kHz) If speed and torque are inconsistent at low speeds: Set the carrier frequency low. If leakage current from the Inverter is large: Set the carrier frequency low. If metallic noise from the motor is large: Set the carrier frequency high. · When using V/f control or V/f control with PG, you can vary the carrier frequency according to the output frequency, as shown in the following diagram, by setting C6-03 (Carrier Frequency Upper Limit), C6-04 (Carrier Frequency Lower Limit), and C6-05 (Carrier Frequency Proportional Gain). 6-39 Carrier Frequency C6-03 C6-04 Output frequency × C6-05 × K* * K is the coefficient determined by the set value in C6-03. C6-03 10. 0 kHz: K=3 10. 0 kHz > C6-03 5. 0 kHz: K=2 5. 0 kHz > C6-03: K=1 Output frequency E1-04 Max. Output Frequency Fig 6. 32 · With vector control, the carrier frequency is fixed to the Carrier Frequency Upper Limit in C6-03 if user- set or by the carrier frequency set in C6-02. · To fix the carrier frequency, set C6-03 and C6-04 to the same value, or set C6-05 to 0. · If the settings are as shown below, OPE11 (Constant setting error) will occur. If Carrier Frequency Proportional Gain (C6-05) > 6 and C6-03 < C6-04. · Depending on the carrier frequency setting, the Inverter's overload level may be reduced. Even when the overload current falls to below 150%, OL2 (Inverter overload) will be detected. The Inverter overload current reduction level is shown below. Overload reduction level 100% 80% 200 V, 22 200V22kWkW 50% 0 10kHz 15kHz Carrier frequency Fig 6. 33 Overload Reduction Level for V/f Control, V/f Control with PG, Open-loop Vector Control 1, and Flux Vector Control Overload reduction level 100% 87% 200 V, 30 to 75 kW 50% 0 4kHz 8kHz Carrier frequency Fig 6. 34 Overload Reduction Level for Open-loop Vector Control 2 6-40 Machine Protection Limiting Motor Torque (Torque Limit Function) The motor torque limit function is enabled only with open-loop torque control. In the open-loop vector control method, the user-set value is applied to the torque limit by calculating internally the torque output by the motor. Enable this function if you do not want a torque above a specified amount to be applied to the load, or if you do not want a regeneration value above a specified amount to occur. Related Constants Change during Operation Constant Number Control Methods V/f V/f with PG Open Loop Vector 1 Flux Vector Open Loop Vector 2 Name Forward drive torque limit Torq Limit Fwd Reverse drive torque limit Torq Limit Rev Forward regenerative torque limit Torq Lmt Fwd Rgn Reverse regenerative torque limit Torq Lmt Rev Rgn Reverse Description Setting Range Factory Setting L7-01 0 to 300 200% No No No A A A L7-02 Sets the torque limit value as a percentage of the motor rated torque. Four individual regions can be set. Output torque Positive torque No. of motor rotations Regenerative state 0 to 300 200% No No No A A A Regenerative state L7-03 Forward 0 to 300 200% No No No A A A Negative torque L7-04 0 to 300 200% No No No A A A Multi-function Analog Input (H3-05, H3-09) Control Methods Setting Value 10 11 12 15 Function Contents (100%) V/f V/f with PG Open Loop Vector 1 Flux Vector Open Loop Vector 2 Positive torque limit Negative torque limit Regenerative torque limit Positive/negative torque limit Motor's rated torque Motor's rated torque Motor's rated torque Motor's rated torque No No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Note The forward torque limit is the limit value when the analog input signal generates forward torque. This torque limit setting is enabled even when the analog input signal generates forward torque while the motor is operating (regeneration). Setting the Torque Limit in Constants Using L7-01 to L7-04, you can set individually four torque limits in the following directions: Forward drive, reverse drive, forward regeneration, and reverse regeneration. 6-41 Set the Torque Limit Value Using an Analog Input You can change the analog input level torque limit value by setting the torque limit in multi-function analog input terminals A2 and A3. The analog input terminal signal level is factory-set as follows: Multi-function analog input terminal A2: 4 to 20 mA Multi-function analog input terminal A3: 0 to 10 The following diagram shows the relationship between the torque limits. Output torque Positive Positive/negative torque limits Forward torque limit No. of motor rotations Forward operation Regenerative torque limit Negative torque limit Positive/negative torque limits Negative Regenerative torque limit Reverse operation Fig 6. 35 Torque Limit by Analog Input Setting Torque Limits Using Constants and an Analog Input The following block diagram shows the relationship between torque limit using constants and torque limit using an analog input. Positive forward drive torque Multi-function analog input Forward torque limit Terminal (set value = 10) A2 or A3 Negative torque limit (set value = 11) Regenerative torque limit (set value = 12) Positive/negative torque limit (set value = 15) Forward torque limit (L7-01) Reverse torque limit (L7-02) Forward regenerative torque limit (L7-03) Reverse regenerative torque limit (L7-04) Reverse positive regenerative torque Forward negative regenerative torque Min: Minimum value priority circuit Reverse drive reverse torque Forward torque limit Reverse torque limit Forward regenerative torque limit Reverse regenerative torque limit Constants 175% of Inverter rated current Fig 6. 36 Torque Limit Using Constants and an Analog Input 6-42 Machine Protection Setting Precautions · When the torque limit function is operating, control and compensation of the motor speed is disabled because torque control is given priority. · When using the torque limit to raise and lower loads, do not carelessly lower the torque limit value, as this may result in the motor falling or slipping. · Torque limits using an analog input are the upper limit value (during 10 V or 20 mA input) of 100% of the motor rated torque. To make the torque limit value during 10 V or 20 mA input 150% of the rated torque, set the input terminal gain to 150. 0 (%). Adjust the gain for multi-function analog input terminal A2 using H3-10 and for multi-function analog input terminal A3 using H3-06. · The torque limit accuracy is ±5% at the output frequency of 10 Hz or above. When output frequency is less than 10 Hz, accuracy is lowered. Preventing Motor Stalling During Operation Stall prevention during operation prevents the motor from stalling by automatically lowering the Inverter's output frequency when a transient overload occurs while the motor is operating at a constant speed. [. . . ] Use UL-compatible input fuses with ratings higher than the voltages and currents, and fusing I2t specifications within the ranges shown in the table below. Table 10. 2 Selection Requirements for Input Fuses with Examples Voltage Class Inverter Model Number CIMR-G7C 20P4 20P7 21P5 22P2 23P7 25P5 27P5 2011 2015 2018 2022 2030 2037 2045 2055 2075 2090 2110 Selection Requirements Voltage (V) 240 240 240 240 240 240 240 240 240 240 240 240 240 240 240 240 240 240 Current (A) 10 15 20 30 40 50 60 90 120 140 160 220 270 300 370 500 600 700 Fusing I2t (A2sec) 12 to 25 23 to 55 34 to 98 82 to 220 220 to 610 290 to 1300 450 to 5000 1200 to 7200 1800 to 7200 870 to 16200 1500 to 23000 2100 to 19000 2700 to 55000 4000 to 55000 7100 to 64000 11000 to 64000 13000 to 83000 13000 to 83000 Input Fuse (Examples) Model Number Manufacturer Ratings 600 V 12 A 250 V 20 A 250 V 30 A 250 V 50 A 250 V 75 A 250 V 75 A 250 V 100 A 250 V 125 A 250 V 150 A 250 V 150 A 250 V 200 A 250 V 260 A 250 V 300 A 250 V 300 A 250 V 400 A 250 V 500 A 250 V 600 A 500 V 700 A Fusing I2t (A2sec) 17 27 60 200 560 560 810 1570 2260 2260 4010 7320 9630 9630 24000 40000 52000 49000 A60Q12-2 CR2LS-20/UL CR2LS-30/UL CR2LS-50/UL CR2LS-75/UL CR2LS-75/UL CR2LS-100/UL CR2L-125/UL CR2L-150/UL CR2L-150/UL CR2L-200/UL CR2L-260/UL CR2L-300/UL CR2L-300/UL CR2L-400/UL CR2L-500/UL CR2L-600/UL A50P700-4 FERRAZ FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FERRAZ 200 V class 10-13 Table 10. 2 Selection Requirements for Input Fuses with Examples Voltage Class Inverter Model Number CIMR-G7C 40P4 40P7 41P5 42P2 43P7 44P0 45P5 47P5 4011 4015 4018 4022 4030 4037 4045 4055 4075 4090 4110 4132 4160 4185 4220 4300 Selection Requirements Voltage (V) 480 480 480 480 480 480 480 480 480 480 480 480 480 480 480 480 480 480 480 480 480 480 480 480 Current (A) 5 10 10 15 20 25 30 40 50 60 70 90 110 140 160 220 300 330 400 450 540 750 750 1000 Fusing I2t (A2sec) 16 to 660 19 to 660 46 to 660 78 to 660 110 to 660 220 to 660 240 to 900 320 to 900 1000 to 1800 1500 to 4100 530 to 5800 1130 to 5800 1700 to 5800 2000 to 13000 3000 to 13000 6800 to 55000 3800 to 55000 12000 to 23000 18000 to 64000 28000 to 250000 40000 to 250000 63000 to 400000 63000 to 400000 94000 to 920000 Input Fuse (Examples) Model Number Manufacturer Ratings 600 V 20 A 600 V 20 A 600 V 30 A 600 V 50 A 600 V 50 A 600 V 50 A 600 V 50 A 600 V 75 A 600 V 100 A 600 V 150 A 600 V 150 A 600 V 150 A 600 V 150 A 600 V 200 A 600 V 200 A 600 V 300 A 600 V 300 A 700 V 400 A 700 V 400 A 700 V 600 A 700 V 700 A 700 V 900 A 700 V 900 A 700 V 1000 A Fusing I2t (A2sec) 26 26 59 317 317 317 317 564 1022 3070 3070 3070 3070 5200 5200 17700 17700 19000 24000 43000 59000 97000 97000 120000 CR6L-20/UL CR6L-20/UL CR6L-30/UL CR6L-50/UL CR6L-50/UL CR6L-50/UL CR6L-50/UL CR6L-75/UL CR6L-100/UL CR6L-150/UL CR6L-150/UL CR6L-150/UL CR6L-150/UL CR6L-200/UL CR6L-200/UL CR6L-300/UL CR6L-300/UL A70P400-4 A70P450-4 A70P600-4 A70P700-4 A70P900-4 A70P1000-4 A70P1000-4 FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FUJI FERRAZ FERRAZ FERRAZ FERRAZ FERRAZ FERRAZ FERRAZ 400 V class 10-14 Conformance to CE Markings EMC Directive Varispeed G7-Series Inverters satisfy testing for conformance to the EMC Directive under the conditions described in European Standard EN61800-3. Installation Method In order to ensure that the machinery or installation incorporating the Inverter conforms to the EMC Directive, perform installation according to the method below. · Install a noise filter that conforms to European Standards on the input side. (Refer to Table 10. 3 EMC Noise Filters). · Use a shielded line or metal piping for wiring between the Inverter and Motor. Make the wiring as short as possible. · To suppress harmonics, install a DC reactor in CIMR-G7C20P4, 20P7, 40P4, and 40P7 models. [. . . ]

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