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rdso specification for ssdac |
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Re: rdso specification for ssdac
The specifications for SSDAC (Specification for Single Section Digital Axle Counter) as approved by RDSO (Research, Designs & Standards Organisation) Ministry of Railways, Lucknow are as follows: Scope This document sets forth general, operational, technical, performance & type tests requirements of Single Section Digital Axle counter. This specification does not cover requirements of external cable and protective devices to be used in conjunction with Digital Axle Counter for its installation. Terminology The terminology referred to in the specification is covered by the definitions given in IRS Specification no. S-23, IS Specification No. 9000 and as given below. Axle detector/Track Device: The track device comprising of the coils sealed in a cover mounted on the rail. It will detect the wheel of rolling stock axle passing over the device. Counting device/Digital Axle Counter field unit (track side): Counting device/digital axle counter field unit is the track side electronic assembly that energise the axle detectors for detecting the passing wheels determining the direction of movement and supervision of track section or occupancy/output device, keeping the count of wheels. It is capable of communicating with other counting device at the other end of the track section |
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