NCR 5635 Service Manual
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Contents
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Dispenser Functional DescriptionPresenter1-16 NCR 5635 Spray Currency Dispenser Service ManualNCR - CONFIDENTIAL AND PROPRIETARYUse pursuant to Company InstructionsDispenser Motorand Transport 1The spray presenter is supplied with either a 120 V or 240 Vinduction type motor. This motor drives the presenter transport andalso, via toothed timing belts and gear trains, the transports andpick arms of the pick modules. It also powers the pick vacuumsystem.In the presenter transport the bills are gripped between an upperand a lower belt and driven through plastic guides to the dispenserexit.Main Timing Disk 1The main timing disk is incorporated in the presenter transportattached to the LVDT reference wheel shaft. The beam of an opto-electronic sensor is chopped by the segments of the disk to createtiming pulses. These timing pulses are used to measure themovement of the bills and as a reference in the measurement of billwidth. The interval between each pulse represents a distancetravelled by the bill of approximately 2 mm.Linear VariableDisplacementTransducer (LVDT) 1The term “singularity” describes the parameters used by thedispenser to recognize a single currency bill. In the 5635 dispenserthe detection of singularity of the currency is related to the cross-sectional area of the bills. This is measured by the Linear VariableDisplacement Transducer assembly shown in the illustration below. |
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