YASKAWA AO-A3 User & Installation Manual

Also see for DO-A3: Installation manual Installation manual

Contents

5 Installation Procedure18 YASKAWA ELECTRIC TOBP C730600 79C YASKAWA AC Drive Option AO-A3 Installation Manual4. Prepare and connect the wire ends as shown in Figure 6 and Figure 7. Refer toWire Gauges and Tightening Torques on page 28 to confirm that the propertightening torque is applied to each terminal. Take particular precaution to ensurethat each wire is properly connected and wire insulation is not accidentally pinchedinto electrical terminals.WARNING! Fire Hazard. Tighten all terminal screws according to the specified tightening torque. Looseelectrical connections could result in death or serious injury by fire due to overheating electrical connections.Tightening screws beyond the specified tightening torque may cause erroneous operation, damage theterminal block, or cause a fire.NOTICE: Heat shrink tubing or electrical tape may be required to ensure that cable shielding does notcontact other wiring. Insufficient insulation may cause a short circuit and damage the option or drive.Figure 6Figure 6 Prepare Ends of Shielded Cable5. Wire the customer-supplied circuit to the terminal block on the option according toFigure 7. Refer to Figure 17 for the AO-A3 Option connection diagram. Refer toTable 5 for a detailed description of the option terminal functions.Figure 7Figure 7 Connect Cable WiringInsulationShield sheathOption terminal To customercircuitFE(Insulate with electrical tapeor heat-shrink tubing)AOOption terminal blockPreparing wire ends: Screwdriver blade sizeabout 5.5 mm (7/32”)When not usingcrimped insulatedsleevesPull back the shielding and lightlytwist the end with fingers, keepingthe ends from fraying.Wire crimping ferrule terminalsor not soldered endsLoosen the screws andinsert the wire into theopening on the terminal block.Blade depth of0.4 mm or lessBlade width of2.5 mm or lessAO