VS mini J7 Series Instruction Manual COMPACT GENERAL-PURPOSE INVERTER (VOLTAGE VECTOR CONTROL) PREFACE YASKAWA's VS mini J7 is a compact and simple inverter that is as easy to use as a contactor. This instruction manual describes installation, maintenance, inspection, troubleshooting, and specifications of the VS mini J7. Read this instruction manual thoroughly before operation. YASKAWA ELECTRIC CORPORATION General Precautions · Some drawings in this manual are shown with the protective covers and shields removed, in order to illustrate detail with more clarity. Make sure all covers and shields are replaced before operating this product. · This manual may be modified when necessary to reflect improvements to the product, or changes in specifications. Such modifications are denoted by a revised manual No. · To order a copy of this manual, contact your YASKAWA representative. · YASKAWA is not responsible for any modification of the product made by the user. Any modifications will void the warranty. 2 CONTENTS NOTES FOR SAFE OPERATION. . . . . . . . . . . . . . . . . . . . . 5 1. RECEIVING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 · Checking the Name Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2. IDENTIFYING THE PARTS . . . . . . . . . . . . . . . . . . . . . . 13 3. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 · · · · · · · · · · · · · · · · · · Standard Specifications (200V Class) . . . . . . . . . . . . . . . . . . 15 Standard Specifications (400V Class) . . . . . . . . . . . . . . . . . . 18 Standard Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Parameters List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Choosing a Location to Mount the Inverter . . . . . . . . . . . . . . 35 Mounting Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Mounting/Removing Components . . . . . . . . . . . . . . . . . . . . . 37 Wiring Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Wire and Terminal Screw Sizes . . . . . . . . . . . . . . . . . . . . . . 39 Wiring the Main Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Recommended Peripheral Devices . . . . . . . . . . . . . . . . . . . . 43 Wiring the Control Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Wiring Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Test Run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Operating the Digital Operator. . . . . . . . . . . . . . . . . . . . . . . . 49 LED Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 Simple Data Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 4. MOUNTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 5. WIRING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 6. OPERATING THE INVERTER . . . . . . . . . . . . . . . . . . . . 47 3 7. PROGRAMMING FEATURES . . . . . . . . . . . . . . . . . . . . 57 · · · · · · · · · · · · · Parameter Set-up and Initialization . . . . . . . . . . . . . . . . . . . . 57 Setting V/f pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Switching LOCAL/REMOTE Modes . . . . . . . . . . . . . . . . . . . 61 Selecting Run/Stop Commands. . . . . . . . . . . . . . . . . . . . . . . 62 Selecting Frequency Reference . . . . . . . . . . . . . . . . . . . . . . 63 Setting Operation Condition . . . . . . . . . . . . . . . . . . . . . . . . . 65 Selecting Stopping Method . . . . . . . . . . . . . . . . . . . . . . . . . . 82 Building Interface Circuits with External Devices. . . . . . . . . . 84 Setting Frequency by Current Reference Input . . . . . . . . . . . 89 Decreasing Motor Speed Fluctuation . . . . . . . . . . . . . . . . . . 93 Motor Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 Selecting Cooling Fan Operation. . . . . . . . . . . . . . . . . . . . . . 96 Using MEMOBUS (MODBUS) Communications (when option card is installed). . . . . . . . . . . . . . . . . . . . . . . 96 Periodical Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 Part Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 8. MAINTENANCE AND INSPECTION . . . . . . . . . . . . . . . 99 · · 9. FAULT DIAGNOSIS AND CORRECTIVE ACTIONS. . 103 APPENDIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 · CE Conformance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 4 NOTES FOR SAFE OPERATION Read this instruction manual thoroughly before installation, operation, maintenance or inspection of the VS mini. In this manual, NOTES FOR SAFE OPERATION are classified as "WARNING" or "CAUTION". WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury to personnel. CAUTION Indicates a potentially hazardous situation which, may result in minor or moderate injury to personnel, and possible damage to equipment if not avoided. It may also be used to alert against unsafe practices. Items described in CAUTION may also result in a vital accident in some situations. In either case, follow these important notes. These are steps to be taken to ensure proper operation. RECEIVING CAUTION (Ref. page) · Do not install or operate any inverter which is damaged or has missing parts. Failure to observe this caution may result in personal injury or equipment damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 5 MOUNTING CAUTION (Ref. page) · Lift the inverter by the cooling fin. When moving the unit, never lift by the plastic case or the terminal covers. Failure to observe this caution may cause the unit to be dropped resulting in damage to the unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 · Mount the inverter on nonflammable material (i.e., metal). Failure to observe this caution can result in a fire. . . . . . . . . . . . . . . . . . . . . . . 13 · When mounting open chassis in an enclosure, install a fan or other cooling device to keep the intake air temperature below 122°F (50°C). Overheating may cause a fire or damage to the unit. . . . . . . . . . . . . . . . . . . . . 35 · The VS mini J7 generates heat. For effective cooling, mount it vertically. Refer to the figure in "Mounting Dimensions" on page 16. WIRING WARNING (Ref. page) · Start wiring only after verifying that the power supply is turned OFF for at least one minute, and all LED's and change LED's are extinguished. Failure to observe this warning can result in electric shock or fire. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 · Wiring should be performed only by qualified personnel. Failure to observe this warning can result in electric shock or fire. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 · When wiring the emergency stop circuit, check the wiring thoroughly before operation. Failure to observe this warning can result in personal injury. . . . . . . . . . . . . . 39 6 WARNING (Ref. page) · For 400V class, make sure to ground the supply neutral. · Make sure to ground the ground terminal according to the local ground code. Failure to observe this warning can result in electric shock or fire. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 CAUTION (Ref. page) · Verify that the inverter rated voltage coincides with the AC power supply voltage. Failure to observe this caution can result in personal injury or fire. · Do not perform a withstand voltage test of the inverter. It may cause semi-conductor elements to be damaged. · Make sure to tighten terminal screws of the main circuit and the control circuit. Failure to observe this caution can result in a malfunction, damage or a fire. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 · Never connect the AC main circuit power supply to output terminals U, V and W. The inverter will be damaged and void the warranty. . . . . . . . . . . . . . . . . . . . 42 · Do not connect or disconnect wires or connectors while power is applied to the circuit. Failure to observe this caution can result in personal injury. · Do not change signal/control wiring during operation. The machine or the inverter may be damaged. 7 OPERATION WARNING (Ref. page) · Only turn ON the input power supply after replacing the digital operator or optional blank cover. Do not remove the digital operator or the covers while current is flowing. Failure to observe this warning can result in electric shock. · Never operate the digital operator or dip switches when your hand is wet. Failure to observe this warning can result in electric shock. · Never touch the terminals while current is flowing, even when the inverter is stopped. Failure to observe this warning can result in electric shock. · When the fault retry function is selected, stand clear of the inverter or the load. It may restart unexpectedly after being stopped. (Construct machine system, so as to assure safety for personnel, even if the inverter should restart.) Failure to observe this warning can result in personal injury.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 · When continuous operation after power recovery is selected, stand clear of the inverter or the load. It may restart unexpectedly after being stopped. (Construct machine system, so as to assure safety for personnel, even if the inverter should restart.) Failure to observe this warning can result in personal injury.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 · Since the digital operator stop button can be disabled by a parameter setting, install a separate external emergency stop switch. Failure to observe this warning can result in personal injury. · If an alarm is reset with the operation signal ON, the inverter restarts automatically. Only reset the alarm after verifying that the operation signal is OFF. Failure to observe this warning can result in personal injury. . . . . . . . . . . . . . 46 8 CAUTION (Ref. page) · Never touch the heatsink or braking resistor, the temperature is very high. Failure to observe this caution can result in harmful burns to the body. · Since it is easy to change operation speed from low to high speed, verify the safe working range of the motor and machine before operation. Failure to observe this caution can result in personal injury and machine damage. · Install a holding brake separately if necessary. Failure to observe this caution can result in personal injury. · Do not change signals during operation. The machine or the inverter may be damaged. · All the parameters of the inverter have been preset at the factory. Do not change the settings unnecessarily. The inverter may be damaged. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 MAINTENANCE AND INSPECTION WARNING (Ref. page) · Never touch high-voltage terminals in the inverter. Failure to observe this warning can result in an electrical shock. . . . . . . . . . . 99 · Disconnect all power before performing maintenance or inspection. Then wait at least one minute after the power supply is disconnected and all LEDs and CHARGE LED are extinguished. The capacitors discharge slowly, and may be dangerous. . . . . . . . . . . . . . . . . 99 9 WARNING (Ref. page) · Do not perform a voltage withstand test on any part of the VS mini J7. This electronic equipment uses semiconductors and it is vulnerable to high voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 · Only authorized personnel should perform maintenance, inspections or parts replacement. [Remove all metal objects (watches, bracelets, etc.) before operation.] (Use tools which are insulated against electrical shock.) Failure to observe this warning can result in an electrical shock. . . . . . . . . . . 99 CAUTION (Ref. page) · The control PC board employs CMOS ICs. Do not touch the CMOS elements. They are easily damaged by static electricity. · Do not connect or disconnect wires, digital operator, connectors, or cooling fan while power is applied to the circuit. Failure to observe this caution can result in personal injury. . . . . . . . . . . . . . . 99 Others WARNING (Ref. page) · Never modify the product. Failure to observe this warning can result in an el ...