Tail End Unit -Teu2

Austdac Tail End Unit TEU2

About

  • Monitors the pre-start alarm tones on the V-line from the controller
  • Acknowledges a pre-start alarm via an S-line and Dupline/SILBUS
  • Continuously monitors the pre-start alarm hardware and cabling

The Tail End Unit type TEU2 is situated at the boot end of the conveyor. Its sole purpose is to monitor the pre-start alarm tones on the V line from the controller at the drive head.

If a valid pre-start alarm tone is received from the controller, the TEU2 will divide this tone frequency by eight and return the new, lower tone back to the controller via the S line. This process of modifying the pre-start tone and returning it to the controller allows the controller to verify that the pre-start alarm tone did not reach the boot end of the conveyor.

The TEU2 can also provide a pre-start alarm detected (confirmed) output that can be used to drive a Dupline field bus standard single channel digital transmitter or a safety transmitter. This feature can be used to monitor the pre-start alarm signal via an alternate return path.

If a pre-start alarm system end-of-line under-voltage is detected, then that output can also be used by the TEU2 to drive a Dupline field bus standard single channel digital transmitter or a safety transmitter. This feature can be used to continuously monitor the integrity of the pre-start alarm hardware and cabling, instead of just during a pre-start alarm.

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