Siemens SITRANS LR 300 Manuel d'instructions Page 5

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7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 3
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Table of Contents
Communications: Modbus Register Map ....................................................................83
Product ID (R40,064) ..............................................................................................................................83
Point Data (R41,010 – R41,031) ............................................................................................................84
Input/Output ............................................................................................................................................84
mA Output (R41,110) .....................................................................................................................84
Parameter Access (R43,997 – R46,999) ............................................................................................84
Format Word (R43,997) .........................................................................................................................85
Primary Index (R43,999) and Secondary Index (R43,998) ............................................................86
Reading Parameters ...................................................................................................................86
Writing Parameters .....................................................................................................................86
Communications: Data Types .........................................................................................87
Numeric Values .....................................................................................................................................87
Split Values .............................................................................................................................................87
Text Messages .......................................................................................................................................88
Error Handling ...................................................................................................................89
Modbus Responses ..............................................................................................................................89
Error Handling ........................................................................................................................................89
Troubleshooting .................................................................................................................91
Communication Troubleshooting ......................................................................................................91
Generally: .......................................................................................................................................91
Specifically: ...................................................................................................................................91
Operation Troubleshooting .................................................................................................................92
Maintenance ......................................................................................................................93
Appendix I ..........................................................................................................................95
Alphabetical Parameter List ...............................................................................................................95
Appendix II .........................................................................................................................98
Programming Chart ...............................................................................................................................98
Appendix III ......................................................................................................................101
Ambient/Operating Temperature Specification ...........................................................................101
Appendix IV ......................................................................................................................102
Process Pressure/Temperature de-Rating ................................................................................... 102
Rod Antenna ANSI Hole Pattern, 150#, .............................................................................. 102
Rod Antenna DN Hole Pattern, PN16, ................................................................................ 103
Rod Antenna Threaded Connection .................................................................................... 103
Rod Antenna Sanitary Connection ...................................................................................... 104
Horn Antenna or Wave Guide – ANSI Hole Pattern, 150# ............................................. 104
Horn Antenna or Wave Guide DN Hole Pattern, PN16 ................................................... 105
Horn Antenna Sanitary Connection .................................................................................... 105
Appendix V .......................................................................................................................107
Typical Power Consumption ............................................................................................................ 107
SITRANS LR 300.book Page 3 Monday, June 10, 2002 7:18 PM
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