YASKAWA VS mini V7 User Manual

Also see for VS mini V7: Connection manual

4 Installation and Wiring154 Installation and WiringRoute the MECHATROLINK communications cables separately from the main circuit wiring andother power lines.4.1 Installing the SI-T/V7 UnitUse the following procedure to mount the SI-T/V7 Unit after removing the Inverter’s DigitalOperator and front cover.Be sure to complete the wiring to the Inverter before installing the SI-T/V7 Unit, because theterminals of the Inverter are hidden from view after the Unit is installed.1. Turn OFF the Inverter’s main-circuit power supply and wait one minute.2. Confirm that all the indicators on the Inverter have turned OFF, wait until the specifiedperiod of time has elapsed (the time is shown on the Inverter’s front cover), and thenremove the Digital Operator and the front cover.3. Use nippers to cut off the cover of the Inverter’s CN2 connector in the three places-marked as A in Fig. 1. Be careful that the covers do not fall into the Inverter Unit. Ifpieces do fall in, be sure to remove them.4. Align the mounting fixture with the C tab, and use M3 × 8 SW screws to secure the fix-ture B.5. Before installing the SI-T/V7 Unit on the Inverter, connect the grounding cable to thegrounding terminal as shown in Fig. 2 . Three types of grounding cables for variousInverter capacities are provided. Connect the appropriate cable with a crimp terminal.6. When installing the SI-T/V7 Unit onto the Inverter Unit, make sure that it is straight.Align the modular plug (CN10) of the SI-T/V7 Unit with the modular plug (CN1) of theInverter, and connector (CN2) with the connector for the SI-T/V7 Unit (CN2).7. Tighten the screw at position D to affix the SI-T/V7 Unit to the Inverter Unit. The screwis already screwed in on the Inverter Unit.8. Return the Digital Operator and the front cover to their original positions.• Before installing or performing wiring, always turn OFF the power to the Inverter and wait until thespecified period of time has elapsed after all the Inverter indicators have turned OFF. (The time isshown on the Inverter’s front cover.)Failure to observe this warning may result in electric shock.WARNINGIMPORTANT