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James R. Cash SCADA System

James R. Cash SCADA System. Main Functions. Acquire remote data Permit centralized control of pipeline Keep historical record of operation Provide automated leak detection. Olympic Hardware. 2 host computers (primary–standby) 1 centralized computer control center

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James R. Cash SCADA System

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  1. James R. Cash SCADA System

  2. Main Functions • Acquire remote data • Permit centralized control of pipeline • Keep historical record of operation • Provide automated leak detection

  3. Olympic Hardware • 2 host computers (primary–standby) • 1 centralized computer control center • 1 host running automated leak detection • 2 controller stations (6 displays each) • Operators/ software developers terminals

  4. Main Menu Screen

  5. Bayview Terminal Screen

  6. Typical Station Screen

  7. Trend Screen

  8. SCADA Data Acquisition • Polling of various pipeline/station sensors • Controllers reported slow down near time of rupture • Noticeable change in polling pattern

  9. Missing Files • SCADA and computer operating system keep maintenance, security and operating logs • Computer logs missing from backup computer • SCADA logs intact • No explanation for missing files

  10. Security/Outside Tampering • Some security issues were found • Common login with all system privileges • SCADA was connected to outside network – internet • No evidence was found to suggest slowdown was caused by outside tampering

  11. SCADA Changes • Newer more capable computer system • Multiple control sites • Secure redundant network • Firewalls to outside world • Installed development network

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