YASKAWA F7 Technical Manual

Also see for Varispeed f7: Connection manual Programming manual User guide Instruction manual User manual

Contents

Date: 10/15/07, Rev: 07-10 Page 9 of 12 TM.F7.03If two separate signal lines from the safety device to inputs BB and BB1 are used as shown on the previous page,the drive does not need to be installed in an IP54 enclosure. If only one signal line from the safety device to thedrive is used, and BB and BB1 are linked at the drive, then the drive must be installed in an enclosure with aprotection degree of at least IP54 in order to maintain EN954-1, Safety Category 3 compliance.If the safety device and the drive are installed in separate cabinets, the Safe-Off wires must be installed in ashort-circuit proof manner.Only Permissible in IP54 EnclosureThe Safe-Off function does not cut the power supply to the drive and does not provide electrical isolation to themotor. The drive must be disconnected from the power mains before any installation or maintenance work is done.Always use “lock-out, tag-out” or similar approved safety protocol when servicing equipment.Risk Assessment RequiredTo assure that the Safe-Off function appropriately fulfills the safety requirements of the application, a thorough riskassessment shall be done according to ISO12100 for the whole safety system at the final installation.Safety Function InspectionCheck the safety function during periodic maintenance by hitting the STOP switch or tripping the appropriate safetyinterlock. Verify both that the applicable motor stops and that the digital operator shows the “BB” indication on thedisplay. If the motor does not stop or the “BB” indication does not appear, discontinue using the drive at once.Replace the F7 or its control board and do not resume operation until it is verified both that the applicable motorstops and that the digital operator shows the “BB” indication on the display.9.0 PrecautionsBB = Hardware Baseblk24VDC(Isolated)-+BB1 = Hardware BaseblkH1-01 =H1-06 =H1-05 =H1-04 =H1-03 =H1-02 =Run RevRun Fwd3.3KΩ24 (Ext Flt)08 (Ext Baseblk)06 (Jog Ref Sel)03 (Ref Sel 1)04 (Ref Sel 2)14 (Clr Flt)EN954-1Category 3SafetyDevice