KERI Systems KERI3000 Proximity RFID Reader User Manual NXT Reader Installation Guide

KERI Systems Inc. Proximity RFID Reader NXT Reader Installation Guide

Users Manual

NXT-1R/-3R/-5R Reader Installation GuidePage 1 of 2 P/N: 01997-003 Rev. ASection 1 – Wiring and Layout DiagramsSection 2 – Specifications and Cable RequirementsSection 3 – Reference Documentation ListSection 4 – Keri Contact Information1.0 Wiring and Layout Diagrams1.1 NXT-1R/-3R/-5R Readers• This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.• Changes to this equipment not expressly approved by Keri Systems, Inc. may void FCC certification and the user’s authority to operate this equipment. • Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.2.0 Specifications2.1 NXT-Reader Dimensions• NXT-1R Euro Mount Prox Reader- 3.25 inches tall by 3.25 inches wide by 0.5625 inches deep, not including wiring connectors- 8.25 cm by 8.25 cm by 1.43 cm• NXT-3R Mullion Reader- 3.75 inches tall by 1.625 inches wide by 0.50 inches deep- 9.52 cm by 4.13 cm by 1.27 cm• NXT-5R Wall Switch Reader- 4.50 inches tall by 3.00 inches wide by 0.625 inches deep, not including wiring connectors- 11.43 cm by 7.62 cm by 1.59 cm2.2 Power/Current Requirements• 10 to 14 VDC @ 120 mA (maximum current draw at 12 VDC)IO-Minus (White)IO-Plus (Green)Ground (Black)+12 VDC (Red)Shield (Silver)Reader BodyBeeperTotal cable lengthno greater than 1,000 feet (300 m)RS-485P/N: 01999-002 - Rev.BLEDNXT-1R/-3R/-5R Installation Drawing
NXT-1R/-3R/-5R ReaderInstallation Guide Page 2 of 2 P/N: 01997-003 Rev. A2.3 Operating Conditions• -40°F to 150°F (-40°C to 65°C) – 0% to 90% Relative Humidity, non-condensing2.4 Cable RequirementsRS-485 bus runs can daisy-chain together an NXT-4x4 and NXT-Reader on one line. However, the total distance for this run can be no greater than 1,000 feet from the NXT controller.NOTE: On long cable runs, cable resistance causes a drop in voltage at the end of the cable run. Ensure the appropriate power and current for your device is available at the device at the end of the cable run.3.0 Product DocumentationAll Keri technical documentation can be found on the Keri CD in the Technical Documentation folder or online at http://www.kerisys.com/pages/download/techdocs.asp.4.0 Contact Keri Systems- End of document. -Table 1: Cable RequirementsConnection Total Run Length # of Conductors Shielded Stranded Twisted-Pair AWGaa. Heavier gauges then those listed are always acceptable.Belden EquivalentRS-485 bus from NXT-2D/-4D to NXT-4x4 (with or without 1R/-3R/-5R Readers)1,000 feet 4 Y Y Y 16 TBD500 feet 18 TBD250 feet 22 TBDRS-485 bus from NXT-2D/-4D to 1R/-3R/-5R Readers only1,000 feet 4 Y Y Y 20 TBD500 feet 22 TBD250 feet 26 TBDKeri USA Keri UK, Ireland, Europe2305 Bering DriveSan Jose, CA 95131 Unit 17 Park Farm Industrial Estate Ermine Street Buntingford Herts SG9 9AZ UK Telephone: (800) 260-5265(408) 435-8400 Telephone: + 44 (0) 870 444 7234 Fax: (408) 435-7163 Fax:+ 44 (0) 1763 274 106Web: www.kerisys.com Web:www.kerisystems.co.ukE-mail: sales@kerisys.comtechsupport@kerisys.com E-mail:sales@kerisystems.co.uktech-support@kerisystems.co.uk

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