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For duplex printing, some of the documents below may contain blank pages within the document's content.
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DFA SCADA Report Module
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Daily Detail Report
This report prints or displays hourly averages and totals for up to 10 variables for a specific site
and on a selected date.
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Weekly Detail Report
This report prints or displays daily averages and totals for 7 days for up to 10 variables for a specific site
from a beginning date.
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Monthly Detail Report
This report prints or displays weekly averages and totals for up to 10 variables for a specific site
for a selected month and day range.
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Yearly Detail Report
This report prints or displays monthly averages and totals for up to 10 variables for a specific site
for a selected year and month range.
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DFA SCADA / TELEMETRY MONITOR and CONTROL SYSTEM
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A-RTU Backplane
This picture shows the Area Remote Terminal Unit (A-RTU) backplane before placement into a NEMA enclosure.
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A-RTU Features
This document details the features of the DFA Area Remote Terminal Unit (A-RTU) as a SCADA System controller or as an
alternative to a PC based System Control Computer (SCC). The A-RTU may also be used as a local process controller.
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Radio Telemetry Monitor and Control System Specs
This document is the standard specifications for a DFA Radio Telemetry Monitor and Control System. If needed this
document can be provided in Microsoft Word or other word processing formats by contacting the DFA sales department.
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RTU Installation Drawings
AutoCAD 2000 drawings of the actual installation of the DFA Remote Terminal Unit (RTU) and lists of installation materials.
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RTU Operations Manual
This manual explores the hardware components and printed circuit boards of the DFA Remote Terminal Unit (RTU)
and how it functions.
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System Control Computer
This document details the features of the DFA System Control Computer (SCC) desktop.
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Warranty and Agreement
This is a sample copy of the standard warranty for the DFA SCADA / Telemetry Monitor and Control System.
This warranty may be voided by using the SCADA System Control Computer (SCC) for games or Office type products.
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Radio Communications
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Analog versus Digital Radio Communications
This technical report by Bill Dexter explores the strengths of analog versus digital radio communications.
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OpenLINK - Store and Forward Communications Protocol
Developed by Dexter Fortson Associates, Inc. this peer-to-peer communications protocol is not legally restricted
and is available to all.
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Radio Messaging
What is the optimal speed for a radio transmission in a Radio Telemetry Monitor and Control System? This report
by Steve Gardner explores the timing factors of radio communications.
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Radio Frequencies
Which radio frequency is the best choice for your application or Utility System? This report
by Tim Carroll summarizes the advantages and disadvantages of VHF, UHF or spread spectrum frequencies.
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Us - About DFA
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DFA 24 / 7 Call List
If you need assistance after the normal business day, please call anyone on this 24 / 7 List.
Our first concern is your satisfaction with our service and products.
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DFA Customer List
This is the DFA customer list by type of application. These are the best people to talk to about the quality
of the DFA Telemetry System and our commitment to after-sale service.
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DFA Map
Graphical depiction of the DFA customer list on a map.
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