Spectrum-controls 1734sc-IE2CH Instrukcja Użytkownika Pobierz pdf (Strona 4)

iv Point IO™ 2/4 Channel Analog HART Module

User’s Manual Pub. 0300257-01 Rev. A

ECTION 3.7 MODULE UPDATE TIME ........................................................................................................................... 3-18

CHAPTER 4 IEXCH AND HART .............................................................................................................................. 4-1

SECTION 4.1 HART FEATURES ...................................................................................................................................... 4-1

SECTION 4.2 DETECTING HART DEVICES ........................................................................................................................ 4-1

4.2.1 Auto-Scanning of Dynamic HART Variables (PV, SV, TV, FV) .................................................................... 4-3

SECTION 4.3 SUPPORTED HART CIP MESSAGES .............................................................................................................. 4-4

4.3.1 Read Additional Device Status .................................................................................................................. 4-4

4.3.2 Get HART Device Information ................................................................................................................... 4-6

4.3.3 HART Pass-through Messaging ............................................................................................. .................... 4-9

4.3.4 Flush Queue ............................................................................................................................................ 4-14

4.3.5 Suspend HART Communication .............................................................................................. ................. 4-14

4.3.6 Resume HART Communication ............................................................................................................... 4-15

APPENDIX A MODULE SPECIFICATIONS ...............................................................................................................A-1

APPENDIX B ADDITIONAL HART PROTOCOL INFORMATION ............................................................................... B-1

SECTION B.1 MESSAGE STRUCTURE ............................................................................................................................... B-1

B.1.1 Master-slave Operation ............................................................................................................................ B-1

B.1.2 Multiple Master Operation ....................................................................................................................... B-1

B.1.3 Transaction Procedure .............................................................................................................................. B-2

B.1.4 Burst Mode ............................................................................................................................................... B-2

SECTION B.2 RESPONSE CODE AND FIELD DEVICE STATUS .................................................................................................. B-2

SECTION B.3 HART PV, SV, TV, AND FV STATUS ............................................................................................................ B-9

APPENDIX C MANUFACTURER IDENTIFICATION CODES ...................................................................................... C-1

APPENDIX D ENGINEERING UNIT CODES ............................................................................................................ D-1

1 2 3 4 5 6 7 8 9 ... 83 84

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