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Intellitrol 2 Overfill Prevention Control Unit

Brand: Scully Signal Company

The Intellitrol®2 is intended to serve as a secondary overfill protection system for loading operations. It is intended for use in hazardous locations and is packaged in an explosion-proof (flameproof) enclosure and has both International and US approvals and certifications.

The Intellitrol®2 performs a variety of monitoring functions and provides a number of outputs to control valves, pumps and other systems including Terminal Automation Systems (TAS). It has an integrated display to indicate system and monitoring status, a bypass capability, and communications for integration with TAS and other systems.

The Intellitrol®2 contains a pair of microprocessors, each with its own relay, that monitors critical functions. Only when both processors detect a safe condition will both relays close and make outputs permissive.

The Intellitrol®2 is designed to be Faylsafe® and in the event of a failure (power, sensors, or internal electronics) the unit will enter a non-permissive (safe) state.

This state-of-the-art Dynamic Self-Testing® system controller provides overfill prevention, vehicle ground verification and vehicle identification operating in a single enclosure. The Intellitrol®2 also provides the user with comprehensive diagnostic information, both locally on the exterior of the control unit housing and remotely to the terminal automation system via RS-485 communications.
Features
  • Overfill prevention, ground verification and vehicle identification in one compact state of the art explosion-proof enclosure
  • Scully Dynacheck® automatic and continuous self-checking circuitry
  • Automatic detection of two-wire optic/thermistor or five-wire optic vehicle sensors
  • Monitoring of up to 8 two-wire or 15 five-wire vehicle sensors
  • Complete visual diagnostic display of overfill sensors’ status. Will not permit loading under any fault or wet sensor condition
  • When used with Scully Sensors, the Scully Intellitrol®2 Control Unit has been certified as part of a SIL 2 Overfill Prevention System
  • Easy connection to vehicles with rugged high impact industry standard plug and cable units

Specifications

Certifications & Approvals

  • SIL 2
  • CE
  • cFMus
  • ATEX
  • IECEx
  • CSA

Communication

  • RS-485
  • RTU

Response Time

  • 450 ms

Operating Temperature

  • -40° to +60° C (-40° to +140° F)

Storage Temperature

  • -45° to +85° C (-50° to +185° F)

Power Requirement

  • 100-130 Vac (120 Vac Setting)
  • 200-250 Vac (240 Vac Setting) 50/60 Hz, 30 Watts Max.

Environmental Protection

  • Type 4X and IP 65
  • NEMA 4X
  • IP65

Sensor Input

  • Up to 8 Scully Two-wire Optic/Thermistor Sensors (6 or 8 Channels) or 15 Five-wire Optic Sensors (Max.)

  • Petroleum & Chemical Gantries
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