Sentek RT6 Bedienungsanleitung
Sentek RT6
HARDWARE MANUAL
Version 3.2
February 2011
The information in this document is subject to change without notice.
Information provided in this document is proprietary to SENTEK Pty Ltd.
This document or any part of it, may not be copied, reproduced
or translated in any way or form.
COPYRIGHT © 1997-2010
SENTEK Pty Ltd
EnviroSCAN and EasyAG are trademarks of SENTEK Pty Ltd.
Sentek RT6Rev03 (2011-01-31)
TABLE OF CONTENTS
Page 1
Table of Contents
Chapter 1: Introduction........................................... 5
ABOUT THIS MANUAL .............................................................................................5
GLOSSARY OF TERMS..............................................................................................5
ELECTRO-MAGNETIC COMPLIANCE.........................................................................8
Chapter 2: General Description.............................. 9
SYSTEM OVERVIEW.................................................................................................9
SYSTEM DESCRIPTION............................................................................................10
Logging Facility ...............................................................................................10
EnviroSCAN Probes.........................................................................................12
EasyAG Probes.................................................................................................13
Access Tube......................................................................................................14
EnviroSCAN Top Cap ......................................................................................15
EnviroSCAN Sensors........................................................................................16
Cabling.............................................................................................................17
Software............................................................................................................18
Chapter 3: Technical Description......................... 19
GENERAL SYSTEM OPERATION..............................................................................19
DETAILED TECHNICAL DESCRIPTION......................................................................19
Logging facility ................................................................................................19
Probe................................................................................................................21
Sensor...............................................................................................................21
Power Supply....................................................................................................23
DATA DOWNLOADING OPTIONS .............................................................................25
Chapter 4: System Installation.............................. 27
POSITIONING..........................................................................................................27
Mounting poles.................................................................................................27
Logging Facility ...............................................................................................27
Solar Panel.......................................................................................................27
Access Tubes.....................................................................................................28
Top Caps ..........................................................................................................28
CABLING ...............................................................................................................28
External Power.................................................................................................28
Internal Battery Cabling ..................................................................................29
EnviroSCAN Probe Cabling –at probe ...........................................................30
Probe Cabling –at logging facility..................................................................31
SENTEK
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External RS232 cabling ...................................................................................32
RS485 cabling..................................................................................................33
ASSEMBLY............................................................................................................35
EnviroSCAN Probes.........................................................................................35
EasyAG 5-wire Probes.....................................................................................36
Logging Facility...............................................................................................37
Chapter 5: Operating Instructions........................39
INITIAL LOGGER CONFIGURATION AND NORMALIZATION .......................................39
DAY-TO-DAY OPERATION.....................................................................................39
FRONT PANEL DOWNLOAD ...................................................................................40
REMOVING THE LOGGER FOR DOWNLOADING........................................................40
Chapter 6: Maintenance ........................................43
SYSTEM ................................................................................................................43
SOLAR PANEL .......................................................................................................43
CABLING...............................................................................................................44
SLA BATTERY.......................................................................................................44
REMOVABLE LOGGERS NI-CAD BATTERY .............................................................45
Chapter 7: Moving & Storing.................................47
SYSTEM REMOVAL ...............................................................................................47
TRANSPORTATION.................................................................................................49
STORAGE ..............................................................................................................49
Chapter 8: Trouble Shooting.................................51
FUSES ...................................................................................................................51
FAULTS.................................................................................................................51
Fault Determination.........................................................................................52
Cable Faults.....................................................................................................54
REPLACEMENT PROCEDURES................................................................................54
APPENDIX A...........................................................59
SYSTEM OVERVIEW ..............................................................................................59
APPENDIX B...........................................................61
SYSTEM CONFIGURATION EXAMPLES ....................................................................61
APPENDIX C...........................................................63
PROBE CONFIGURATION EXAMPLES.......................................................................63
TABLE OF CONTENTS
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APPENDIX D........................................................... 65
FRONT PANEL VISUAL............................................................................................65
APPENDIX E........................................................... 67
OVERLAY DIAGRAM ..............................................................................................67
RT6 Main Board Overlay.................................................................................67
APPENDIX F........................................................... 69
CABLE WIRING ORDER..........................................................................................69
APPENDIX G........................................................... 71
ENVIROSCAN SENSOR ADDRESSING ....................................................................71
EASYAG SENSOR ADDRESSING.............................................................................72
APPENDIX H........................................................... 73
EXTERNAL RS232 TO COMPUTER CABLE DIAGRAM...............................................73
APPENDIX I ............................................................ 75
RS485 CONNECTIONS............................................................................................75
RS485 Circuit Diagram....................................................................................75
RS485 Physical Connections............................................................................75
APPENDIX J ........................................................... 77
FORMULA TO CALCULATE LOGGER STORAGE CAPACITY ......................................77
APPENDIX K........................................................... 79
SPECIFICATION SHEETS .........................................................................................79
EnviroSCAN soil moisture sensors...................................................................79
EnviroSCAN 5-Wire Technical Specifications .................................................80
EasyAG 5-Wire Technical Specifications.........................................................81
RT6 logger........................................................................................................82
RT6 Main Board...............................................................................................83
Power supply....................................................................................................84
APPENDIX L........................................................... 85
SUPERSEDED SYSTEMS..........................................................................................85
Comparison of RT5 and RT6 Main Boards......................................................85
Removable Logger firmware revision ..............................................................86
Comparison of 4-wire and 5-wire board..........................................................86
SENTEK
Page 4
CHAPTER 1: INTRODUCTION
Page 5
Chapter 1: Introduction
About this Manual
This manual describes the Sentek RT6 soil water
monitoring system and includes technical
information, installation and maintenance procedures.
It is intended to be used as a guide to the assembly
and maintenance of the Sentek RT6 System.
This manual should be read in conjunction with:
Access Tube Installation Manual
EasyAG Installation Manual
IrriMAX Manual (or online help)
Data Exchange Manual (or online help)
RT6 Logger Manager (or online help)
Remote Connection Manger - RCM (or online
help)
Study of this manual does not allow users who have
not undertaken the appropriate Sentek training course
to install, maintain and repair the Sentek RT6 System
under the warranty conditions.
Superseded
Equipment
For details of the superseded RT5 systems and the
related 4-wire boards, sensors and installation
methods please refer to:
EnviroSCAN Hardware Manual, Version 3.0,
November 1997
See Appendix L for an overview of RT5/RT6
similarities and differences.
Glossary of Terms
Caution:
Warning:
A caution defines a procedure which, if not strictly
observed, could result in damage to, or destruction of,
equipment.
A warning defines a procedure which, if not strictly
observed, could result in personal injury or loss of
life.
SENTEK
Page 6
Communication
RS232
Describes the process of transferring commands or
data between the logger and the computer.
Is the standard which describes the specification for
single ended serial transmission of data, which is the
standard for the COM 1 and COM 2 ports on a
computer.
RS422/RS485
Radio Modem
PCB
VHF
UHF
AC
DC
EMC
EMI
SLA Battery
Is the standard which describes the specification for
serial transmission of data, which is the standard for
long distance communications. This is a differential
signal and is specified to be used with cable runs up
to 1km depending on baud rate and type of data cable
used.
Is the circuitry that converts the signals from the
logging facility into a form that can be transmitted
and received by radios.
Is an abbreviation for "Printed Circuit Board"
Is a frequency band used by radio and is an
abbreviation for "Very High Frequency"
Is a frequency band used by radio and is an
abbreviation for "Ultra High Frequency"
This an abbreviation for "Alternating Current" and
describes the type of current and voltage which is
commonly used to power solenoids (e.g. 24 volts AC)
This is an abbreviation for "Direct Current" and
describes the type of current and voltage which is
derived from batteries (e.g. 12 volts DC)
Abbreviation for Electro-Magnetic Compliance
Abbreviation for Electro-Magnetic Interference
Abbreviation for Sealed lead Acid. This describes the
construction of the type of battery used to power the
logger.
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