INfinity 510 Protocol Reference Guide - Sirit

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Chapter 4 – Reader Behavior Protocols Install Type The setup.protocols variable is used to configure which protocol(s) to utilize on the air interface. Currently, the reader can operate with either ISO18000-6B, ISO18000-6C, Supertag (iPX), EASALARM, or any combination of these. The EASALARM protocol is only applicable to specific tags developed by NXP. The setup.install_type variable indicates what type of application the reader is. This variable, along with the information in the region, sub_region, and tag_volume variables, provides a context for the reader to customize its detailed configuration settings to optimize performance. A user is expected to configure all of the setup variables during the initial turn-up of the reader which will result in the reader applying specific values to other variables. In many cases this will be all of the configuration needed. The user can always customize settings at any time. Tag Volume The setup.tag_volume variable indicates the number of tags being presented to the reader at any one point in time. This variable, along with the information in the region, sub_region, and install_type variables, provides a context for the reader to customize its detailed configuration settings to optimize performance. ANTENNA CONFIGURATION Setting the Antenna Power The INfinity 510 allows full antenna configuration. As a result, you can configure the following: Antenna Power Antenna Gain Cable Loss Attenuation The reader supports the ability to independently set the conducted power level for each antenna. It provides two methods for setting the conducted power for an antenna: User Set Reader Calculated All antenna power settings are specified in ddBm (deci dBm or tenths of dBm). To convert from dBm to ddBm, multiply the dBm by 10. To convert from ddBm to dBm divide the ddBm by 10. 18 INfinity 510 Protocol Reference Guide
Chapter 4 - Reader Behavior For example, to convert 29.3 dBm to ddBm, multiply the 29.3 by 10 = 293 ddBm. To convert 275 ddBm to dBm, divide the 275 by 10 = 27.5 dBm. User Set Antenna Power Specify the Antenna Gain An antenna’s conducted power can be set directly by setting the antennas.X.conducted_power variable (where the X is the number of the antenna (ie 1,2,3,4) to effect. To set the conducted power for antenna number 1 to 27 dBm, use the following command: > antennas.1.conducted_power = 270 ok Reader Calculated Antenna Power In order for the reader to calculate the conducted power for an antenna, you must specify the following: Antenna’s gain Antenna’s cable loss Attenuation to be added With these inputs, the reader will calculate the appropriate power level for the configured regulatory region and sub-region. The attenuation level reduces the power level below the maximum allowed in the regulatory environment. To specify the gain, the antennas.1.advanced.gain_units and antennas.1.advanced.gain configuration variables are used. The units supported are: dBdC dBiC dBd dBi The gain specifications for a specific antenna should be available from the manufacturer and may be listed on the back of the antenna. For example, to specify a gain for a circular polarized antenna of 5 dBd (50 in deci-dBd), use the commands: > antennas.1.advanced.gain_units = dBdC ok > antennas.1.advanced.gain = 50 ok INfinity 510 Protocol Reference Guide 19
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Page 8 and 9: Chapter 1 - Introduction TYPES OF I
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Page 42 and 43: Chapter 5 - Embedded Reader Applica
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Page 50 and 51: Chapter 7 - Reader Namespace READER
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Chapter 12 - Tag Namespace Tag Comm
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Chapter 13 - DIO Namespace dio.in.
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Chapter 15 - Modem Namespace Modem
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Index INDEX OF FUNCTIONS AND VARIAB
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Index modem.protocol.easalarm.contr
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INfinity 510 Protocol Reference Guide - Sirit

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