System Integrity Tester

Produkt von Efftronics Systems Pvt. Ltd.

  • InnoTrans 2018
  • Halle 5.2 313

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#40-15-9, Brundavan Colony

MG Road

Vijayawada 520010
Andhra Pradesh
Indien

Telefon / Fax: anzeigen
Telefon: +91 8662466693
Fax: +91 8662747097
  • InnoTrans 2018
  • Halle 5.2 313
  • Railway Infrastructure Railway Infrastructure

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Produktbeschreibung

System Integrity Test is conducted on Railway Signalling Systems to ensure Safety & Availability. The test is highly automated by which human errors are eliminated. Evidence of test results is produced for further validation, if required.

DESCRIPTION

Testing of Signalling System for compliance to TOC / RCC is mandatory before commissioning of any signalling system. After commissioning also this test is required to be carried out periodically once in 3 years. First test is offline and the second one is online.
Implementation of interlocking (based on SIP) has the following stages
  • Preparation of Route Control Chart (RCC)
  • Design of logic circuits
  • Wiring of logic circuit
  • Testing and commissioning
We have automated the testing by which it is possible to find the mistakes in last 3 stages i.e. Design and Wiring of circuits and Testing.
  • The conventional (manual) system has the following limitations
  • Test procedure is not fully defined
  • No document of Testing (Test plan)
  • No evidence of Test Results
  • No evidence of validation of test results
  • No scope for verification of tests done, since no tangible output, results out of testing
TYPES TESTS CONDUCTED
  • Negative test of controlling functions
  • One Signal One Train Test
  • Route Checking Test (In Offline only)
  • Route release test - light engine and long train
  • Test for route locking
  • Test for back locking or route holding
  • Test for approach locking
  • Red-lamp protection test
  • Aspect sequence control test
  • Lamp cascading test
  • Point track locking test
  • SMKEY locking test for different assets
  • Crank handle and LX Gate locking test
  • Square sheet test(In Offline only)
  • Point Operation in Route Test
  • (In Route setting type Panels Only)
PROCESS OF TESTING
  • Representation of Table Of Control in terms of data logger inputs
  • Instructions for carrying out tests are defined
  • Tests are converted to a software program based on Table of Control
  • Desirable test results are generated by software program based on Table Of Control
  • Online test results are compared with desirable results through software program
  • Status of the required relays are taken by the system from Data logger

APPLICATION AREAS
Railway Signal Interlocking testing in Online & Offline for
  • Panel Interlocking ( PI )
  • Route Relay Interlocking (RRI)
  • Solid State Interlocking (SSI) / EI
BENEFITS
  • Testing Made Independent of human Errors by Tester
  • Testing to a large extent is made independent of testing capability of the Tester
  • Validity of yard Specific test data
  • Execution is faster than manual testing, hence can be repeated
  • Completeness and correctness of testing can be ensured
  • Document evidence of Testing for further analysis is made available
  • Testing can be paused and continued to allow Train Movements Intermittently
  • Overall System validation

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