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Need help?Do you have a question about the YASKAWA varispeed G7 CIMR-G7B series and is the answer not in the manual?
General| Type | Inverter |
|---|---|
| Model | CIMR-G7B series |
| Power Range | 0.4 kW to 630 kW |
| Overload Capacity | 150% for 60 seconds |
| Dimensions | Varies by model |
| Frequency Range | 0.1 to 400 Hz |
| Control Method | V/f control |
| Communication Protocols | Modbus RTU, DeviceNet, Profibus DP |
| Protection Features | Overvoltage, undervoltage, overload, overcurrent, short circuit |
| Cooling Method | Forced air cooling |
| Ambient Temperature | -10°C to +40°C |
| Storage Temperature | -20°C to +65°C |
| Humidity | 95% RH or less (non-condensing) |
| Altitude | Up to 1000m without derating |
| Enclosure Rating | IP20 |
| Input Voltage | 3-Phase 200-240VAC, 380-480VAC, 500-600VAC (depending on model) |
Provides an overview of the Varispeed G7 series, including voltage classes and model variations.
Details the necessary checks to perform immediately after receiving the inverter to ensure correct model and condition.
Presents detailed diagrams and dimensions for both open chassis and enclosed wall-mounted inverter types.
Outlines the environmental conditions and pollution level requirements for a suitable installation site.
Specifies the correct vertical installation orientation and required clearance for proper heat dissipation.
Provides step-by-step instructions for safely removing and reattaching the terminal cover for wiring access.
Explains the procedure for detaching and reattaching the digital operator and front cover for accessing internal components.
Details the steps for removing and reattaching the top and bottom protection covers, especially for panel installations.
Illustrates typical connections between the inverter and peripheral devices like power supply, reactors, and motors.
Provides a comprehensive wiring diagram showing main circuit and control circuit connections for the inverter.
Shows the physical layout and arrangement of terminal blocks for main and control circuits on the inverter.
Details applicable wire sizes, connectors, and tightening torques for main circuit wiring.
Covers wire sizes, closed-loop connectors, and terminal functions for control circuit wiring.
Lists essential checks to perform after wiring is completed to ensure correctness and safety.
Explains how to install and wire various option boards, such as communication or PG boards.
Describes the components, displays, and keys of the digital operator, including mode indicators and functions.
Explains the different operating modes of the inverter (Drive, Quick Programming, Advanced Programming, Verify, Autotuning).
Illustrates the process of navigating between different operating modes using the MENU and DATA/ENTER keys.
Details the operations possible within the Drive mode, including frequency setting and parameter adjustment.
Explains how to monitor and set minimum user constants required for inverter trial operation.
Describes how to monitor and set all inverter constants in this mode.
Used to display and set user constants that have been changed from their default factory settings.
Explains how to automatically tune and set required motor constants before operating in vector control methods.
Illustrates how to set up external fault functions for multi-function contact inputs in advanced programming mode.
Presents a flowchart outlining the steps for performing trial operation of the inverter.
Details the step-by-step procedure for conducting the trial operation, including power supply settings and initial checks.
Lists essential user constants that must be set before proceeding with trial operation.
Explains how to set parameters based on the chosen control method (V/f, Vector, etc.) for autotuning.
Provides critical safety and operational precautions to observe before performing the autotuning process.
Lists the necessary user constants that need to be configured before starting the autotuning process.
Offers guidance on settings for autotuning when using motor test reports or design data.
Provides guidance on adjusting specific user constants to resolve issues like hunting or vibration.
Details how to adjust parameters to improve the speed response of the control system.
Explains the structure and components of the user constant tables, using b1-01 as an example.
Shows the hierarchy of the digital operator displays, listing functions and their corresponding pages.
Lists the minimum user constants that can be monitored and set in quick programming mode.
Details the user constants that can be monitored and set in advanced programming mode.
Used to display and set user constants that have been changed from their default factory settings.
Details the constants that must be set before performing autotuning.
Details constants for acceleration and deceleration times, including their setting ranges and factory defaults.
Provides details on constants used for S-curve characteristics to ensure smooth acceleration and deceleration.
Explains constants for slip compensation to improve speed accuracy, including gain, delay time, and limit.
Covers constants for torque compensation to increase output torque when motor load increases.
Lists constants for speed control, including proportional gain, integral time, and switching frequency.
Explains constants for carrier frequency selection, including upper/lower limits and proportional gain.
Lists constants for frequency references, including preset values for multi-step speed operation.
Details constants for setting output frequency upper and lower limits, and master speed reference lower limit.
Lists constants for setting jump frequencies to avoid resonance and create a frequency reference dead band.
Explains constants for holding the frequency reference, allowing it to be stored even after power loss.
Covers constants for torque control selection, reference delay time, and speed limits.
Explains constants for field weakening, including output voltage and excitation current limit.
Lists constants for setting V/f characteristics, including input voltage and frequency settings.
Details constants for motor parameters like rated current, slip, no-load current, and poles.
Explains constants for setting parameters for a second motor, including rated current, slip, and no-load current.
Lists constants related to PG (pulse generator/encoder) setup, including pulse count and rotation direction.
Describes functions and settings for analog reference boards, including input signal ranges and resolution.
Details constants for setting digital reference board input methods, such as BCD or binary input.
Explains constants for setting channel monitor selection, gain, and bias for analog monitor outputs.
Lists constants for configuring digital output boards, including channel selection and output modes.
Covers constants for communication options, including stopping methods and error detection.
Details constants for configuring multi-function contact inputs, specifying their functions and signal levels.
Explains constants for multi-function contact outputs, specifying functions and control methods.
Lists constants for multi-function analog inputs, including signal level, gain, and bias settings.
Covers constants for MEMOBUS communications, including slave address, baud rate, parity, and error detection.
Details constants for pulse train inputs and outputs, including function selection, scaling, and gain.
Explains constants for motor overload protection, including selection, time constant, and alarm operation.
Covers constants for momentary power loss detection and ridethrough time, and minimum baseblock time.
Details constants for stall prevention during acceleration, running, and deceleration.
Explains constants for speed agreement and frequency detection levels and widths.
Lists constants for configuring the auto restart function after a fault occurs.
Covers constants for overtorque and undertorque detection, including selection, level, and time.
Details constants for limiting forward, reverse, regenerative, and overall torque.
Explains constants for protecting the inverter from overheating, input/output open-phase faults, and other hardware issues.
Lists constants for the hunting prevention function, including selection, gain, and time constant.
Covers constants for speed feedback protection, including gain and time constants for AFR.
Details constants related to high-slip braking, such as deceleration frequency width and current limit.
Explains constants for speed estimation, including integral time, proportional gain, and switching frequency.
Lists constants for feed forward control, including selection, motor acceleration time, and proportional gain.
Explains how to input the frequency reference using various sources like the digital operator or analog signals.
Details the input methods for the Run Command, including digital operator and control circuit terminals.
Explains the four methods for stopping the inverter: deceleration, coast, DC braking, and coast with timer.
Describes how to set acceleration and deceleration times, including S-curve characteristics and switching.
Explains methods for adjusting frequency references, including analog inputs and pulse train signals.
Details how to limit the motor speed by setting maximum and minimum output frequency references.
Explains functions for improving motor operating efficiency, such as slip compensation.
Explains functions for protecting the machine, including reducing noise and stall prevention.
Describes functions for continuing or automatically restarting inverter operation after errors.
Explains functions for protecting the inverter and its braking resistor from overheating.
Explains input terminal functions, including switching operation and blocking inverter outputs.
Describes output terminal functions, including during run, zero-speed, and pre-alarm outputs.
Explains the analog monitor and pulse monitor constants, and how to adjust them.
Explains the conventions used to indicate precautions, such as WARNING, CAUTION, and IMPORTANT.
Details critical safety precautions for installation, wiring, trial operation, and maintenance.
Highlights the location of warning information labels on the inverter and provides general warnings.
Outlines the warranty period, scope of inspection, repair terms, exceptions, and restrictions.
Describes fault displays, probable causes, and corrective actions for various fault codes like OC, GF, PUF, OV, UV.
Explains alarm displays, probable causes, and corrective actions for conditions like EF, UV, OV, OH, FAN faults.
Details operation error displays and incorrect settings, such as capacity mismatch or constant range errors.
Lists errors that can occur during autotuning and their corresponding corrective actions.
Describes errors that may occur during copy operations, including data mismatch and EEPROM write errors.
Provides guidance on troubleshooting common issues like incorrect settings, password problems, and display errors.
Offers solutions for when the motor does not operate, covering issues with RUN key, operation method, and frequency reference.
Explains how to troubleshoot incorrect motor rotation direction, often related to wiring or settings.
Provides steps to address issues of insufficient motor torque or slow acceleration, checking torque limits and stall prevention.
Offers guidance on troubleshooting when the motor operates higher than the set reference speed.
Details troubleshooting steps for slow motor deceleration, checking deceleration time and stall prevention settings.
Specifies the warranty period and terms for the inverter product.
Lists items to check during normal operation to ensure the system is functioning correctly.
Outlines items to check during periodic maintenance, including screws, PCBs, fans, and capacitors.
Details recommended replacement intervals for parts like cooling fans, smoothing capacitors, and fuses.
Provides steps for adjusting constants after replacing the control board, including safety measures and copying settings.
Lists standard inverter specifications by model, including output capacity, current, voltage, and frequency.
Provides detailed specifications categorized by model, covering 200 V and 400 V classes.
Lists common specifications applicable to both 200 V and 400 V class inverters, including control methods and protection functions.
Details specifications for available option boards and peripheral devices, such as communication and I/O boards.
Explains the features and applications of the five available control methods for Varispeed G7 Inverters.
Provides precautions for selecting, installing, setting, and handling inverters, including reactor installation and repetitive loads.
Offers precautions for applying the inverter to various motor types, including low speed ranges, withstand voltage, and vibration.
Details requirements for UL standard compliance, including installation site and closed-loop connector specifications.
Explains CE markings and requirements for conformance to Low Voltage and EMC Directives.
Provides wiring examples for connecting braking units, transformers, and other peripheral devices.
Lists all user constants with their factory settings, applicable control methods, and relevant pages.
