Spectrum Controls 1734sc-IE2CH - Manual (Page 4)

iv Point IO™ 2/4 Channel Analog HART Module
User’s Manual Pub. 0300257-01 Rev. A
S ECTION 3.7 M ODULE U PDATE T IME ........................................................................................................................... 3-18
CHAPTER 4 IEXCH AND HART .............................................................................................................................. 4-1
S ECTION 4.1 HART F EATURES ...................................................................................................................................... 4-1
S ECTION 4.2 D ETECTING HART D EVICES ........................................................................................................................ 4-1
4.2.1 Auto-Scanning of Dynamic HART Variables (PV, SV, TV, FV) .................................................................... 4-3
S ECTION 4.3 S UPPORTED HART CIP M ESSAGES .............................................................................................................. 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
S ECTION B.1 M ESSAGE S TRUCTURE ............................................................................................................................... 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
S ECTION B.2 R ESPONSE C ODE AND F IELD D EVICE S TATUS .................................................................................................. B-2
S ECTION B.3 HART PV, SV, TV, AND FV S TATUS ............................................................................................................ B-9
APPENDIX C MANUFACTURER IDENTIFICATION CODES ...................................................................................... C-1
APPENDIX D ENGINEERING UNIT CODES ............................................................................................................ D-1