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PROTEUS
Installation Guide
Delivery Defender Series
Delivery Defender Lite™ (DDL-#)
The Delivery Defender Lite™ (DDL) is a universal remote overfill alarm in a compact NEMA 4X
enclosure. This unit can connect to our PROTEUS® and OEL8000II series ATG's as well as
most industry standard Tank Gauging systems. The DDL provides delivery and alarm indication
outside, where your fuel provider can observe current tank conditions. Equipped with high
intensity sunlight visible LED indicators, high decibel horn, general alarm light, and API color
coded symbols for product identification, the DDL provides critical information to the filling
operator.
The Delivery Defender Lite™ connects using a RS-232 or RS-485 connection. There is an
optional RS-485 to RS-232 converter that is used to extend the range with the ATG if it does not
support RS-485.
** Note: "#" indicates the number of tanks. **
Specifications subject to change
OMNTEC
Mfg., Inc., 2420 Pond Road, Ronkonkoma, NY 11779
Phone (631) 981-2001 Fax (631) 981-2007 www.OMNTEC.com
File Name: DI00076 rev2103.docx Page 1 of 9 Rev Date: 1-20-2021

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Summary of Contents for Omntec Proteus Delivery Defender Series

  • Page 1 ** Note: “#” indicates the number of tanks. ** Specifications subject to change OMNTEC Mfg., Inc., 2420 Pond Road, Ronkonkoma, NY 11779 Phone (631) 981-2001 Fax (631) 981-2007 www.OMNTEC.com File Name: DI00076 rev2103.docx Page 1 of 9 Rev Date: 1-20-2021...
  • Page 2 RS-485 or RS-232 communication cables depending on site’s layout. OMNTEC Mfg., Inc., 2420 Pond Road, Ronkonkoma, NY 11779 Phone (631) 981-2001 Fax (631) 981-2007 www.OMNTEC.com File Name: DI00076 rev2103.docx Page 2 of 9 Rev Date: 1-20-2021...
  • Page 3: Block Diagram

    May also use one conduit for AC power and RS-485 if communication cable is rated for 600V (EC4-600V)* OMNTEC Mfg., Inc., 2420 Pond Road, Ronkonkoma, NY 11779 Phone (631) 981-2001 Fax (631) 981-2007 www.OMNTEC.com File Name: DI00076 rev2103.docx Page 3 of 9 Rev Date: 1-20-2021...
  • Page 4: Connecting Power

    Neutral (N) ** Note: Install per NEC and local code in your area. ** OMNTEC Mfg., Inc., 2420 Pond Road, Ronkonkoma, NY 11779 Phone (631) 981-2001 Fax (631) 981-2007 www.OMNTEC.com File Name: DI00076 rev2103.docx Page 4 of 9 Rev Date: 1-20-2021...
  • Page 5 1 stop bit for both RS-485 and RS-232. Check jumper settings on J4 (see Fig. 3.2). OMNTEC Mfg., Inc., 2420 Pond Road, Ronkonkoma, NY 11779 Phone (631) 981-2001 Fax (631) 981-2007 www.OMNTEC.com File Name: DI00076 rev2103.docx Page 5 of 9 Rev Date: 1-20-2021...
  • Page 6 Pins 1-3 from the DDL. ** Converter sold separately ** OMNTEC Mfg., Inc., 2420 Pond Road, Ronkonkoma, NY 11779 Phone (631) 981-2001 Fax (631) 981-2007 www.OMNTEC.com File Name: DI00076 rev2103.docx Page 6 of 9 Rev Date: 1-20-2021...
  • Page 7 ** RS-232 has a limited distance of approximately 75 feet. ** ** Check jumper setting on J4 (see Fig. 5.2). ** OMNTEC Mfg., Inc., 2420 Pond Road, Ronkonkoma, NY 11779 Phone (631) 981-2001 Fax (631) 981-2007 www.OMNTEC.com File Name: DI00076 rev2103.docx Page 7 of 9 Rev Date: 1-20-2021...
  • Page 8 ** Note: To be taken as recommendation only. Program each tank to site’s specifications. OMNTEC Mfg., Inc., 2420 Pond Road, Ronkonkoma, NY 11779 Phone (631) 981-2001 Fax (631) 981-2007 www.OMNTEC.com File Name: DI00076 rev2103.docx Page 8 of 9 Rev Date: 1-20-2021...
  • Page 9 Pressing and holding for 5 seconds will test all lights and horn. Lights will blink on/off three times OMNTEC Mfg., Inc., 2420 Pond Road, Ronkonkoma, NY 11779 Phone (631) 981-2001 Fax (631) 981-2007 www.OMNTEC.com File Name: DI00076 rev2103.docx Page 9 of 9 Rev Date: 1-20-2021...

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