TransCore 10-510-100 Location and Monitoring Transmitter User Manual IT500 SP App F

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Document ID	75385
Application ID	4jYwfTr5JYBnfiLVNRK0VQ==
Document Description	Exhibit 8 Users Manual Supplement
Short Term Confidential	No
Permanent Confidential	No
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Document Type	User Manual
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Filesize	1.7kB (21272 bits)
Date Submitted	1999-12-10 00:00:00
Date Available	2000-02-18 00:00:00
Creation Date	0000-00-00 00:00:00
Producing Software	Acrobat PDFWriter 3.02 for Windows
Document Lastmod	0000-00-00 00:00:00
Document Title	IT500_SP_App_F.PDF
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Intellitag 500 SmartPass Reader System
Modifications
®
®
Intellitag® 500 SmartPass® Reader System Modifications
This appendix describes the changes made to the AI1620 SmartPass®
Reader to make the system guide usable for the Intellitag® 500
SmartPass Reader system.
Introduction
This addendum to the AI1620 SmartPass® System Guide provides information about
hardware and software modifications for the Intellitag 500 SmartPass Reader system.
Audience
This document is intended to be used by authorized SmartPass dealers, installers, and
service personnel. Because SmartPass has no operator- or end-user-serviceable
components or features, no end-user manual or operator guide exists. Once the system
is set up and tested by the authorized installer, SmartPass operations requires no enduser intervention.
Reader Modifications
The following sections describe the proposed modification and reason for each of the
Intellitag 500 SmartPass Reader system changes. Each section lists the modification,
the background of the reason for the change (if provided), and the firmware
commands affected by the change (if applicable).
Reading of Mixed Population Tags
Modification
The Intellitag 500 SmartPass Reader reads the American Trucking Association (ATA)
or International Organization for Standardization (ISO) read-only type tags, whether
battery or beam powered, or Intellitag 500 asynchronous integrated circuit (ASIC)based tags. The reader can read the ATA or ISO read-only tags in the presence of
Intellitag 500-based tags; however, attempting to read a Intellitag 500-based tag in
the presence of an ATA or ISO read-only tag might provide indeterminate results. At
present, Amtech is aware that the performance under these conditions is strongly
determined by physical and geometrical factors.
Background
The traditional Amtech read-only tags are continuously modulating regardless of the
state of the reader or Intellitag 500 tags. Therefore, when a polling request signal is
sent from the reader to the Intellitag 500 tags, it is probable that the read-only tags can
interfere with the backscatter response from the Intellitag 500 tag. This creates
F-3
Intellitag® 500 SmartPass® Reader System Modifications
difficulty for the reader in reading the response from the Intellitag 500 tag, or can
cause the reader to miss the response from the Intellitag 500 tag altogether.
The Intellitag 500 SmartPass Reader system can read either a read-only ATA or ISO
type tag, or a Intellitag 500 tag in a given vehicle, but not both simultaneously. If a
vehicle is equipped with both tag types, it is probable that the read-only tag will be
read; however, it is very possible that the Intellitag 500 tag will not be read, depending
on a number of factors. The factors that influence the readability include, but are not
limited to, physical orientation and configuration; the type of read-only tag; the ratio
of backscatter cross-section of the tags; and whether the tag is battery or beam
powered.
Commands
No direct impact on commands.
Programmable Attenuation Control Added
Modification
Replacing the range control function gives the Intellitag 500 SmartPass Reader a
programmable attenuation control for the output radio frequency (RF) power. This
feature simplifies the design and streamlines the testing during manufacturing and
installation processes. Valid settings for attenuation are in 1.0 dB increments over a
range of 10-dB attenuation, from the maximum power setting of 2 watts at 0-dB
attenuation to a minimum power level of 200 milliwatts at 10-dB attenuation.
Commands
This modification introduces the following command:
644NN
Set RF attenuation (new command)
Table F-1 lists the Set RF attenuation command variable (NN) and attenuation
settings.
Table F-1 Set RF Attenuation Command Settings and Variables
F-4
Variable (NN)
Attenuation
Setting (dB)
00
01
02
03
04
05
Intellitag® 500 SmartPass® Reader System Modifications
Table F-1 Set RF Attenuation Command Settings and Variables
06
07
08
09
0A
10
Real-Time Clock, Time/Date Stamping Removed
Modification
The Intellitag 500 SmartPass Reader design eliminates the real-time clock, thereby
eliminating all functions associated with setting the time and date. This change
reduces the recurring cost of the reader, and might alleviate concerns associated with
maintenance, environmental, and shipping issues because the battery is being
eliminated. The reader responds to set time and date commands with an error
message, except for the Disable time/date append command. For this
command, the Intellitag 500 SmartPass Reader responds with Done.
Commands
This modification affects the following commands:
20S…S
Set time
21S…S
Set date
22
Display time and date
300
Disable time and date append
302
Enable time and date append
524
Display appended info status
661
Display diagnostics results
664
Test real-time clock
Tag Data Buffering and Storage Reduced
Modification
The Intellitag 500 SmartPass Reader does not provide tag memory storage beyond the
quantity required for data buffering from the tag to the host. The Intellitag 500
SmartPass Reader responds with an error message to commands associated with this
function, except for the Disable buffer control mode when a Done
response is returned.
F-5
Intellitag® 500 SmartPass® Reader System Modifications
Commands
This modification affects the following commands:
06
Transmit buffer entry
43
Buffer all IDs
530
Display RF0 filter status
535
Display buffer control status
613
Select data inquiry protocol
6160
Disable buffer control mode
6161
Enable buffer control mode
Check Tag Function Removed
Modification
The Intellitag 500 SmartPass Reader design eliminates the Self-test Check Tag
function. The reader responds with an error message to all commands associated with
this function, except for Disable periodic check tag when the reader
returns a Done response. Additional alternate diagnostics functions may be
investigated for feasibility to integrate into the reader.
Commands
This modification affects the following commands:
550
Display periodic check tag status
551
Display selected check tag option
810
Disable periodic check tag
8110
Invoke check tag
8120
Enable periodic check tag
8160
Select internal check tag
Baud Rates Below 2400 Bits Per Second Removed
Modification
The Intellitag 500 SmartPass Reader design eliminates baud rates below 2400 bits per
second. The reader responds with an error message to commands associated with
these baud rates.
Commands
This modification affects the following commands:
522
Display comm port parameters
1000
Set baud rate = 110 baud
F-6
Intellitag® 500 SmartPass® Reader System Modifications
1001
Set baud rate = 300 baud
1002
Set baud rate = 1200 baud
No Dual-Frame Capability
Modification
The Intellitag 500 SmartPass Reader cannot read more than one frame per tag in the
ATA read-only mode. The reader responds with an error message to commands
associated with this function.
Commands
This modification affects the following commands:
48N
Select dual-frame processing mode
536
Display dual-frame processing mode
No AAR or ATA Tag Data Translation Mode
Modification
The Intellitag 500 SmartPass Reader cannot parse and translate the fields defined in
the American Association or Railroads (AAR) or ATA specification. The reader
responds with an error message to commands associated with this function.
Commands
This modification affects the following commands:
452
Disable tag translation mode
453
Enable tag translation mode
534
Display tag translation mode
Range Control Removed
Modification
The Intellitag 500 SmartPass Reader design does not include the range control
function. The range control function is replaced by the programmable output RF
power control. This simplifies the design and streamlines the testing during
manufacturing and installation. For backward compatibility with the AI1620
SmartPass Reader, the Intellitag 500 SmartPass Reader responds to a command for
maximum range (1F Hex) with a DONE response.
Commands
This modification affects the following command:
643NN
Select RF operating range (distance)
F-7
Intellitag® 500 SmartPass® Reader System Modifications
Enable Diagnostic RF Continuous Wave Command Added
Modification
For diagnostic and testing purposes, a new additional command lets the user test the
system while continuous wave (CW) RF is being transmitted. This command lets the
reader transmit a CW RF signal at the output frequency and attenuation level as
specified in the associated commands. Output CW RF is sustained until one of the
following commands are received by the reader:
6400
Turn RF off
6401
Turn RF on
641
Select RF by input control
There is no data associated with the Enable diagnostic RF continuous
wave command.
Commands
This modification introduces the following command:
6402
F-8
Enable diagnostic RF continuous wave (new command)

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Create Date                     : Thursday, December 02, 1999 5:33:07 PM
Title                           : IT500_SP_App_F.PDF
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