SMAR HI302, Руководство пользователя

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HI302 - User’s Manual
VI
CHAPTER 5 - OPERATION ............................................................................................................5.1
Initialization ............................................................................................................................5.1
Leds Status ............................................................................................................................5.1
Understanding the HART Communication.............................................................................5.2
BLK_EXEC_STATE Parameter .............................................................................................5.2
BLK_ERROR and DEVICE_STATUS Parameters................................................................5.3
HIRT Block Operation ............................................................................................................5.4
HART Variable Writing and Reading .....................................................................................5.5
Operating the HVT Block .......................................................................................................5.7
Sequence for HVT Reading Cycle .........................................................................................5.8
Writing Sequence in HVT Block Parameter ...........................................................................5.8
HI302 versus Portable Programmers (Field Alterations) ...................................................... 5.9
Behavior of the Static Revision (ST_REV) parameter .......................................................... 5.9
HART Response Code Conversion to Status FF ............................................................... 5.10
Bypass Mode ...................................................................................................................... 5.10
Sequence for Sending a HART message through a Bypass.............................................. 5.11
CHAPTER 6 – BASIC FUNCTIONING THEORY............................................................................6.1
The HI302 Block Diagram ......................................................................................................6.1
Hardware................................................................................................................................6.2
Power Supply, Operation Voltage and Protection .................................................................6.2
Hot Swap................................................................................................................................6.2
Regulators..............................................................................................................................6.2
Protection ...............................................................................................................................6.3
Processing Core.....................................................................................................................6.3
HI302 Module Resetting.........................................................................................................6.4
H1 Fieldbus Communication ..................................................................................................6.5
HART Communication ...........................................................................................................6.5
4-20 mA to Foundation Fieldbus Analog Conversion (HI302-I) .............................................6.5
Foundation Fieldbus to 4-20 mA Analog Conversion (HI302-O) ...........................................6.6
CHAPTER 7 – AN EXAMPLE OF HI302 USAGE...........................................................................7.1
Installation ..............................................................................................................................7.1
Step by Step Configuration ....................................................................................................7.1
Step by Step Operation..........................................................................................................7.3
CHAPTER 8 – TROUBLESHOOTING ............................................................................................8.1
Installation ..............................................................................................................................8.1
Configuration..........................................................................................................................8.1
Operation ...............................................................................................................................8.1
APPENDIX A....................................................................................................................................A.1
APPENDIX B................................................................................................................................... B.1
APPENDIX C................................................................................................................................... C.1