ZBG12002产品概述
The units contain an L.E.D. light source and a photo sensor that scans a shaftmounted, slotted disc. An internal pulse-shaping amplifier circuit delivers a rectangular pulse signal from the current sinking output in response to the passing slots as it rotates. They can be direct-coupled to a machine shaft by means of a flexible-bellows, spring, or rubber sleeve type coupling that allows for axial and radial misalignment. They can also be coupled with light instrument timing-belts. Timing-belt drives also allow convenient gear-up or gear-down speed ratio changes that can be useful for obtaining non-standard PPR rates. These heavy duty units feature a heavy cast aluminum housing with 1/4" thick aluminum cover plates and 0-ring seals. Heavy duty bearings are doublesealed and allow radial shaft loading of 40 lbs (18 Kg). A 1/2" (12.7 mm) NPT Conduit entry permits signal wiring to be run via flexconduit to an internal terminal block. Electrical characteristics are identical to those for the Model ZBG. Terminal board markings correspond to the Pin-Out identification of the ZBG.
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