YASKAWA MP2000 Technical Note

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YASKAWA MP2000 Technical Note Manual pdf 34 page image

TECHNICAL NOTEMOTION APPLICATION ENGINEERING GROUPYaskawa Electric America - 2121 Norman Drive South – Waukegan IL 60085(800) YASKAWA - Fax (847) 887-728011/23/2005 34 of 34 eng/05.055/MCDMachine InterlocksMachine interlocks are critical to allow the controller code to operate within the mechanicallimitations of the machine and assure safe, reliable, high performance operation. Machineinterlocks include conditions for sequencing operations where components may interfere witheach other, peripheral components interlocking such as labelers or heater controls, upstream anddownstream systems interlocks as well as safety system interlocks.Axis Enable InterlocksTo prevent alarms or warnings, the machine safety circuit and amplifier power should be verifiedbefore attempting to enable an axis. This is done in the individual axis low scan drawings withthe axis normal condition to enable an axis. By verifying the controller an amplifier is ready thepower will be on the amplifier and the communications will be synchronized, therefore thecontroller will be able to enable the axis successfully.DWG L20.01Automatic Mode InterlocksBefore a machine can enable, the state all the axes must be normal and enabled, the safetycircuit must be intact and no faults can exist.DWG L10.01