A700 Room Locator
Contents
1. Preface Trademarks FCC Compliance Copyright Statement A700 Room Locator Overview Asset Tracking System Process General and Special Notes Room Number Setup DIP Switch Power Level Setup DIP Switch Optional Cabling Environmental Limits Warranty amp Service Limited Standard Warranty Terms Standard Warranty Limitations Obtaining Service amp Support RF Code Customer Support PNO0084 REVO1 3 3 3 3 oMoOaaQ UB SE A700 Room Locator User Manual 2 Preface Trademark RF Code The RF Code logo is registered trademarks of RF Code Inc All other product or service names are the property of their respective owners Information in this document is provided solely to enable system and software implementors to use RF Code products There are no express or implied copyright licenses granted hereunder to design or fabricate any integrated circuits or integrated circuits based on the information in this document RF Code reserves the right to make changes without further notice to any products herein RF Code makes no war ranty representation or guarantee regarding the suitability of its products for any particular purpose nor does RF Code assume any liability arising out of the application or use of any product and specifically disclaims any and all liability including without limitation consequential or incidental damages The user of this system is cautioned that any changes or modifications to this s2. The green LED top left will stay lit when the A700 is powered ON e Red LED The red LED top right will flash the uniquely assigned ID one time when the A700 is powered on For example for a unique ID of 072 the led will display a quick flash to represent zero then flash seven times pause and then flash two times e Rectangular Window This plastic window upper half of the unit is designed to help disperse the IR signal A bank of IR LEDs are situated behind this window Figure 1 2 shows the interior view of a A700 unit with a Power Jack 4 Switch DIP Power Level and 10 Switch DIP Room Number Unique ID PN00084 REVO1 A700 Room Locator User Manual 4 Figure 1 2 A700 Interior View aa ee d ropo r v U x j Q 7e 7a lt AC Power Jack i L id _ Ph ww a a i er i E S BIT TEL A ajun PA PAA Asset Tracking System Process The basic principle behind the asset tracking process involves A700 room locators IR enabled active tags RF read ers and data collection software A700 room locators are positioned in specific areas Each A700 room locator emits an infrared signal containing an uniquely assigned ID to identify itself Active tags attached to assets search for this signal that contains the unique ID The active tags gather and transmit this unique ID along with additional informa tion to an RF reader to report its current location and status Data collection
3. a pay load indicating that the tag does not detect any valid A700 units in the vicinity For example a tag placed within one foot of a 65 watt floodlight may cause the tag to fail all decodes of an IR A700 signal The IR enabled active tags are NOT designed to work outdoors In direct sunlight the tag will not detect A700 sig nals and will report a payload indicating the absence of valid A700 units Some fluorescent lights may interfere with an asset tag if the infrared window on the tag is pointed directly at a fluorescent light If fluorescent lights are present tags should be attached with the window facing sideways Special Notes Do not cover the IR window on the tag label This will affect the ability of the tag to read A700 signals The RF field of the tags are affected by large metal surfaces The tags should not be placed directly on metal surfaces that are large relative to the tag The placement of tags within a room can affect the ability of the tag to decode infrared A700 signals Tags should be placed so that their IR window would typically be facing towards an A700 or have an unobstructed view of a surface such as a wall that will be illuminated by an A700 Room Number Setup DIP Switch One of a possible 495 unique ID s can be assigned to an A700 These IDs are defined by three digits Each digit must be in the range of 0 to 7 such as 045 or 714 The unique 3 digit ID is configured using the 10 switch DIP bank on the A70
4. 0 circuit board At this time only 9 of the 10 DIP switches are used These 9 switches are used to set the 3 digit A700 ID The remaining switch switch 10 must be left in the OFF position hy Setting the DIP switches is typically not necessary A default ID is assigned to each A700 that is equal to Note the last three digits of the serial number Flip the A700 unit upside down to see the direct correlation between the 10 Switch DIP positions and how the value of the ID is defined The unique ID for each A700 is set by 9 DIP switches with the first three switches 1 2 3 used for the third digit the next three switches 4 5 6 for the second digit and switches 7 8 and 9 for the first digit 6 PN00084 REVO Figure 1 4 10 Switch DIP Positions ie nde de de be PAP inj ber r Q _ j 0 Y Ses oO Ko Zz O O OZ Assigned ID all 7 7 By flipping the unit upside down you can determine the left to right order of the ID For example a unit assigned a unique ID of 077 To define the Room Number for an A700 unit refer to the following table to set the DIP switches Table 1 1 ID Digits with Equivalent Switch Positions SS I SE SN EE S E E A EE Example 1 A room number of 72 would be represented as a 3 digit ID of 072 After flipping the A700 upside down DIP switches 1 2 and 3 would be set to off on off represents 2 and switches 4 5 and 6 would be set to on on on represents 7 and swit
5. ches 7 8 and 9 would be set to off off off represents 0 OT6BLISGTECT OFF ON 0 7 2 Example 2 If the user wants to define a unique ID of 714 for an A700 then set the DIP switches as shown OLT6EBLISG PEST PN00084 REVO 7 z There are 17 reserved IDs that the A700 can not be set to Note 000 760 761 762 763 764 765 766 767 770 771 772 773 774 775 776 777 Sami me If set to one of these IDs the red LED on the A700 will continue to blink quickly to indicate the problem Power Level Setup DIP Switch In addition to the 10 switch DIP bank the A700 unit also carries a 4 switch DIP bank to configure the power level Each one of these four switches is connected to a row of three IR LED transmitters situated behind the front panel window yielding a total of 12 LEDs and providing four different levels of power Figure 1 5 Switch DIP to Set Power Level To Configure The Power Level e One Fourth Power To set the power level to 25 of full power turn any one of the switches to the ON position It is recommended to use one of the middle switches switch 2 or 3 to obtain a direct line of sight between the tag and A700 unit e One Half Power To set it to 50 of full power turn any two of the switches to the ON position It is rec ommended to use switch 2 and 3 Three Fourths Power To set it to 75 of full power turn any three of the switches to the ON position It is recommended to u
6. he information in these pages are furnished for infor mational use only are subject to change without notice and should not be construed as a commitment by RF Code Inc RF Code assumes no responsibility or liability for any errors or inaccuracies that may appear in these pages Every effort has been made to supply complete and accurate information However RF Code assumes no responsi bility for its use or for any infringements of patents or other rights of third parties which would result Information in these pages is subject to change without notice Written and designed by RF Code REF Code Inc 9229 Waterford Centre Blvd Suite 500 Austin TX 78758 www tfcode com PN00084 REVO1 A700 Room Locator User Manual 3 A700 Room Locator Overview The A700 Room Locator by RF Code is an IR infrared signaling unit used with RF readers and IR enabled active tags to provide a method of locating and tracking tagged assets within a specified coverage area for example a mid sized 15 by 15 foot room The system is not designed for localized coverage of very small areas for example a 2 by 2 foot space The A700 is housed in a plastic chassis 4 74 x 2 94 x 2 0 in size A mounting bracket is included that allows the unit to pivot Two screws attach the mounting bracket to the wall and then the A700 snaps into the bracket Figure 1 1 A700 Front View LED Indicators The A700 front panel features include e Green LED
7. ltage drop would be too large and each A700 would receive under 15 Volts The table below lists wire size and resistance IMI to aid in calculating voltage drop for long runs of cable Remember Voltage Current Resistance or V I R Table 1 2 Data for Voltage Drop Calculations MAX Current in AMPs ol Fe j Q z O gt LLI Environmental Limits The A700 unit is approved for use within the ranges set forth below e Operation 10 to 50 degrees Celsius e Humidity 10 to 90 RH non condensing e Input 15 to 24 VDC 100mA MAX PN00084 REVO 9 Warranty amp Service Limited Standard Warranty Terms RF Code warrants its products to be free from defects in materials and workmanship for a period of 1 year 12 months for hardware and software from the date of purchase from RF Code Its obligation under this warranty is limited to repairing or replacing at its own sole option any such defective products This warranty does not apply to equipment that has been damaged by accident negligence or misapplication or has been altered or modified in any way This warranty applies only to the original purchaser end user and is not transferable Standard Warranty Limitations Except as provided herein the entire liability of RF Code and its suppliers under this limited warranty will be that RF Code will use reasonable efforts to repair or replace without charge all defective Products returned to RF Code by Cus
8. ode Customer Support gives entitled customers and partners the ability to contact RF Code about installation and usage related questions as well as make defect inquiries about eligible products that are covered under RF Code watranty agreements A team of technical specialists can be contacted electronically or via phone The Support Line is available to provide General Support during normal business hours Monday through Friday 8 00am to 5 00pm Central time excluding national holidays E mail support rfcode com Support form http www rfcode com Voice 512 439 2244 or toll free at 866 830 4578 PN00084 REVO1 A700 Room Locator User Manual 10
9. se switches 1 2 3 or switches 2 3 4 e Full Power For 100 power all the switches must be in the ON position Optional Cabling An optional cable is available to connect your power supply to multiple A700 units in parallel You can use an RF Code provided power supply with up to five A700 room locators and optional cable s provided you splice into the power cable and make parallel connections to the optional cables and use cabling where the voltage drop is not sig nificant If using your own power supply see the specifications below and consult an electrician about wire size and run length to insure the voltage drop does not cause an input voltage outside of the specified limits Cable Input Specifications e The A700 will operate with 15V to 24V at the input of the optional cable e The cable s white lead is positive black is negative e Regulated supply required 15V to 24V e Unregulated supply required 12V to 18V unregulated supply voltage drops with load e Current consumption 50mA average 100mA peak per A700 Room Locator e Cable length 12 feet PN00084 REVO Power Level Setup tS Up to five A700 locators can be powered by one RF Code provided 12V unregulated wall transformer by splicing into the wiring The user will need to design the wiring to comply with the cable input specifications For example if five A700 locators are connected to one run of 2000 feet of 24 AWG cable on a 24V regulated supply the vo
10. software interacts with the reader over a network connection to gather information that active tags send to the reader It is the action of the IR enabled active tags to find and synchronize with the A700s Once a tag has synchronized with a A700 the tag knows that additional messages from the same A700 will appear every second If a tag cannot detect an A700 signal this information is relayed to the reader to indicate a possible problem A moving tag will check for its A700 every 3 seconds If the tag fails to receive a signal at the expected time it reverts back to search mode When a tag has been stationary for at least 15 minutes and has seen no valid A700 during that time it will go into a low power mode and only check for A700s every 15 minutes When a tag has been stationary for at least 1 minute and has seen the same valid A700 during that time it will go into a low power mode and only check for A700s every 15 seconds The Asset Tracking process is illustrated in Figure 1 3 Major components consist of the following 1 A700 room locator The A700 unit periodically sends out a short burst of infrared pulses to report a unique ID assigned to an A700 to identify itself Sending repetitive signal pulses also aid in avoiding interference with other IR devices A700 IDs can be used when placing A700 room locators in various locations and defining area maps Defining a unique ID is mentioned in the section titled Room Number Set
11. tomer all as more particularly described in the End User Warranty Except for the express warranties STATED HEREIN RF Code makes no other representations or warranties and RF Code hereby disclaims all other warran ties express implied statutory or otherwise including without limitation any warranty of merchantability non infringement of third party intellectual property rights fitness for a particular purpose performance satisfactory quality or arising from a course of dealing usage or trade practice Obtaining Service amp Support For in warranty service customers have several options Customers having difficulty with RF Code products should attempt to solve those problems through RF Code s Technical Support Problem Escalation Process First contact the RF Code representative or other distributor from whom the RF Code product was purchased for information on how to obtain local support Second contact the RF Code Customer Support via e mail Third contact the RF Code Customer Support via the Support Line For product returns the support engineer will give you a return material authorization RMA number No returns will be accepted without an RMA number If the warranty expired there is a charge for repair or replacement per RF Code s out of warranty policy For full details of the RF Code RMA policy please review the RF Code Warranty RMA and Extended Warranty Policy document RF Code Customer Support RF C
12. up DIP Switch 2 IR Signal All IR enabled active tags in a room look for this A700 infrared signal at specific intervals These intervals are based on the state of the tag moving or stationary as mentioned previously The placement of tags is essential to properly detect the infrared signals For example placing a tag inside a desk drawer will not properly read the IR signal 3 IR Enabled Active Tags Active tags are attached to assets to track the movement and current location of those assets The tags relay a RF beacon to a reader that contains the A700 location identifier seen by the tag The IR enabled active tags communicate using the RF Code Treatment 04A protocol 4 RF Reader The RF reader reads the data provided by the RF signals transmitted by the active tags 5 Direct Reader Interface An API interface is provided for users to write their own code that allows a con nection to the reader through a network or serial connection and to send and receive DSP commands PN00084 REVO 5 Figure 1 3 System Process Data Collection Software al Y OY es The 5 U O ol Y gt O U U c U General and Special Notes General Notes The user should keep in mind when installing the A700 System that a variety of IR devices or other IR sources can interfere with the A700 signals When such interference occurs the IR tag may not be able to successfully decode the IR signal and will report
13. ystem not expressly approved by RF Code Inc could void the warranty FCC Compliance Changes or modifications to this equipment not expressly approved by the party responsible for compliance could void the warranty 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 residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee against interference to radio or television reception which may be determined by turning the equipment off and on the user must try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help Copyright Statement Copyright 2007 RF Code Inc All rights reserved This document as well as the hardware and firmware described therein is furnished under license and may only be used or copied in accordance with the terms of such license T
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