YASKAWA F7 Technical Manual

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Contents

Date: 10/15/07, Rev: 07-10 Page 8 of 12 TM.F7.03If the Safe-Off function is used, the factory-installed wire link (jumper) between terminals SN, BB and BB1 must beremoved entirely. Connect the drive to an EN954-1, Safety Category 3 interrupting device so that a Safe-Offrequest breaks the connection between the terminal SN and both terminals BB and BB1. The normal connection isshown below. Wires W 1 and W2 should be run separately from W 3 and W 4 . A short circuit from W 1 or W 2 to W 3 andW 4 would bridge the contacts of the safety device and nullify its operation.To maintain the integrity of the safety system, no other control input should be connected to Safe-Off terminals BBor BB1.Normal Connection to EN954-1 Category 3 Safety Device8.0 ConnectionsSafe Disable TerminalsNo. Signal Name Signal LevelBB Hardware Baseblock 24VDC, 8mAphotocouplerBB1 Hardware Baseblock1SN Sequence input neutral -SC Sequence input common -Terminals TerminalScrewsTighteningTorque(N•m)Possible WireSizesmm 2 (AWG)RecommendedWire Sizemm 2 (AWG)Wire LengthBB, BB1,SC, SNPhoenixtype 0.5 to 0.6Solid wire:0.14 to 2.5Stranded wire:0.14 to 1.5(26 to 14)0.75(18) 50 m or lessBB = 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 3SafetyDeviceW1W2W4W3