OMRON VARISPEED V7 USER MANUAL PDF

Varispeed cimr- v7az20p4. This instruction manual describes installation. This unit features excellent open- loop vector control. We also make use of tracking cookies to gather information about your omron varispeed v7 manual activity and behaviour on our website. When operating at omron varispeed v7 manual a frequency reference of 0. Regional Outlook.

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Quick Links. Download this manual See also: Manual , Quick Manual. Manual No. Compact Sensorless Vector Inverter. Table of Contents. Page 2: General Precautions Such modifications are indicated by revising the manual number. In this manual, safety precautions are classi- fied as either warnings or cautions and are indicated as shown below.

Page 4 Confirm that all indicators are OFF before proceeding. The Inverter is an electronic device that uses semiconductors, and is thus vul- nerable to high voltage. When moving the Inverter, never lift it by the plastic case or the terminal cover.

Otherwise, the main unit may fall and be damaged. Page 6 Failure to observe this warning may result in an elec- tric shock or a fire. Failure to observe this warning may result in an elec- tric shock or a fire. Failure to observe this caution may result in personal injury or a fire. Performing withstand voltage tests may damage semiconductor elements. Do not remove the Digital Operator or the covers while current is flowing.

Failure to observe this warning may result in an elec- tric shock. Reset an alarm only after verifying that the operation sig- nal is OFF. Failure to observe this warning may result in injury. Failure to observe this caution may result in injury.

Failure to observe this warning may result in an elec- trical shock. Page 12 Failure to observe this caution may result in injury. Failure to observe this warning may result in an electrical shock or injury and will void the guarantee. Follow the warnings when handling the Inverter. Page 17 Software No. If any part of V7AZ is missing or damaged, call for service immediately.

Page Checking The Nameplate Inverter Software Version The inverter software version can be read out from the monitor parameter U or parameter n The parameter shows the last for digits of the software number e.

The manual describes the functionality of the Inverter software version VSP 0. Page 23 Main Circuit Terminal Arrangement The terminal arrangement of the main circuit terminals depends on the Inverter model. Page Mounting Dimensions 7. For effective cooling, Page Mounting The Terminal Cover Removing the Digital Operator After removing the front cover, fol- low the procedure on page 25 lift the upper and lower sides section C of the right side of the Digital Operator in direction 1.

Failure to observe this warning may result in an electric shock or a fire. Page 30 Inverter carrier frequency. For details, refer to Carrier Frequency Selection n 14kHz max on page 3. Control wiring must be less than 50 m ft in length and must be separated from power wiring. Use shielded twisted-pair cable when inputting the frequency signal externally.

If the Inverter is connected to a power transformer exceed The Inverter may be dam- aged if the wrong terminals are connected. Always mount the cover in its original position. Connect with a Phillips screwdriver. Insert the wire into the lower part of the terminal block and connect it tightly with a screwdriver.

The wire sheath strip length must be 5. Open the front cover and verify that the strip length is 5. Set the following constants. PRGM n Select forward or reverse run by press- key. NOTE Reverse The motor rotates in the opposite direction when the Reverse Run Com- mand is executed. Details of Indicators Color in parenthesis indicates the color of the indicator. The indicators are lit, unlit or flashing reflecting the order of priority.

Page 45 For details on how the status indicators function for Inverter faults, refer to Chapter 8 Fault Diagnosis. The following flowchart describes each function indicator. If sending a Run Com- mand while changing a constant, such as during a test run, be sure to observe all safety precautions. Applicable only for Inverters of 5. Refer to the next page for data reception error.

Displayed in units of 0. The three digits from the right show the fault description, and the digit on the left shows the order of fault from one to four.

Number 1 represents the most recent fault, and numbers 2, 3, 4 represent the other faults, in ascending order of fault occurrence. Turn the potentiometer fully to the left. ALARM 2.

Page Programming Features 6 Programming Features Factory settings of the constants are shaded in the tables. After wiring is complete, be sure to make the following settings before operation. Hardware Make the following settings before the Inverter is turned ON.

Item Ref. The following table lists the data that can be set or read when n is set. By setting this constant, the fault history can be cleared and the con- stants initialized. Page 55 n to n are the same 2. Output Frequency n Note: Mid. Set each pattern when using a special motor e. For V Class Inverters, the voltage values n, n, and n should be doubled. Page 59 Gain n, factory setting: 1. When the wiring distance between the Inverter and the motor is long, or when the motor generates vibration, change the automatic torque boost gain.

The factory settings constants have been set at the factory prior to shipment. Therefore, when a motor designed for an Inverter is used or when a motor from any other manu- facturer is driven, the required torque characteristics or speed control characteristics may not be maintained because the constants are not suit- able. Adjustment of the Slip Compensation Time Constant n is normally not required.

To connect a reactor between the Inverter and the motor, set n to the sum of the initial value of n Motor Leakage Inductance and the externally mounted reactor inductance. Output Frequency n Note: When the Inverter is operated without the Digital Operator, always set constant n to 0.

Page Setting Operation Conditions Autotuning Selection n Motor data required for vector control can be measured and set by inputting the data from the nameplate of the motor to be used and per- forming autotuning for the motor.

Autotuning is possible only for motor Set n to 1, input the data from the nameplate, and then press the RUN key on the Digital Operator. The Inverter will stop the motor for approximately 1 minute and then set the required motor constants automatically while operating the motor for approximately 1 minute. When operating at high speeds i. Be sure to provide sufficient margin in the Inverter current.

Refer to the table below. Page 72 DSPL tuning. Page 74 6 Programming Features Digital Operator Displays during Autotuning Function indicators on the Digital Operator change during autotuning as in the following diagram.

Function Indicators Set constants required for autotuning. Reverse run disabled. Multi-step Speed Selection Up to 17 speed steps including Jog frequency reference can be set using the following combinations of frequency reference and input ter- minal selections. Set the input terminal for a multi-step speed reference using the multi- function input selection.

Page Adjusting Frequency Upper And Lower Limits When operating at a frequency reference of 0, operation is continued at the frequency reference lower limit. However, if the frequency reference lower limit is set to less than the Minimum Output Frequency n , operation is not performed.

If a value exceeding Hold the operation signal to continue operation after recovery from a momentary power loss. When 2 is selected, the Inverter restarts if power supply voltage recovers while the control power supply is held. No fault signal is output.

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