YASKAWA's VS mini J7 (hereinafter, called VS mini). is a small and simple inverter; as easy as using a contactor. This instruction manual describes installation. 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. YASKAWA. LITERATURE NO. KAE-SE. COMPACT INVERTER FOR GENERAL-USE. VS mini J7. V CLASS (THREE-PHASE) TO kW ( TO.
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To ensure safe and proper use of the OMRON-YASKAWA Inverters, please read .. The compact simple VARISPEED J7-Series Inverter ensures greater ease of. Omron Yaskawa Motion Control (from now OYMC) V7AZ is a small and simple Inverter, as easy versa), or from V7AZ to VS mini J7 Inverters is not possible. View and Download Omron VS mini J7 user manual online. Compact General Purpose Inverter. VS mini J7 Inverter pdf manual download. Also for: J7 series.
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ACGC, another software. For the special-purpose breaker for Inverters, choose a ground fault interrupter with a sensitivity amperage of at least 10 mA per Inverter. When using a general leakage breaker, choose a ground fault interrupter with a sensitivity amperage of mA or more per Inverter and with an operating time of 0.
Installing a Magnetic Contactor If the power supply of the main circuit is to be shut off because of the sequence, a magnetic contactor can be used instead of a molded-case circuit breaker.
When a magnetic contactor is installed on the primary side of the main circuit to stop a load forcibly, however, the regenerative braking does not work and the load coasts to a stop. A load can be started and stopped by opening and closing the magnetic contactor on the primary side.
Frequently opening and closing the magnetic contactor, however, may cause the Inverter to break down. In order not to shorten the service life of the Inverters internal relays and electrolytic capacitors, it is recommended that the magnetic contactor is used in this way no more than once every 30 minutes.
When the Inverter is operated with the Digital Operator, automatic operation cannot be performed after recovery from a power interruption. If the Inverter is connected to a large-capacity power transformer kW or more or the phase advance capacitor is switched, an excessive peak current may flow through the input power circuit, causing the converter unit to break down.
To prevent this, install an optional AC reactor on the input side of the Inverter.
This also improves the power factor on the power supply side. These inductive loadsinclude magnetic contactors, electromagnetic relays, solenoid valves, solenoid, and magnetic brakes. The Inverters outputs uses high-speed switching, so noise may be transmitted from the Inverter to the power line and adversely effect other devices in the vicinity. It is recommended that a Noise Filter be installed at the Power Supply to minimize noise transmission.
Noise will also be reduced from the power line to the Inverter. A general-purpose Noise Filter will be less effective and may not reduce noise. Check that the motor rotates forward with the forward command.
Switch over any two of the output terminals to each other and reconnect if the motor rotates in reverse with the forward command. If voltage is applied to the output terminals, the internal circuit of the Inverter will be damaged.