Spectrum Controls 1769sc-HART Modules - Manual (Page 5)

Table of Contents
User's Manual 0300215-03 Rev. A
iii
S ECTION 7.3 S ENDING AND R ECEIVING M ESSAGES .............................................................................................. 7-11
7.3.1 Module Output Tags Used For Messaging ............................................................................................. 7-11
7.3.2 Module Input Tags Used For Messaging ................................................................................................ 7-12
7.3.3 Processing a Message ............................................................................................................................. 7-13
S ECTION 7.4 M ODULE S PECIFIC C OMMANDS ....................................................................................................... 7-30
7.4.1 Get HART Device Information ............................................................................................................... 7-30
7.4.2 HART Channel Suspension and Resume ................................................................................................. 7-33
7.4.3 HART Pass-Through Command ............................................................................................................. 7-34
S ECTION 7.5 HART P ROTOCOL O VERVIEW ......................................................................................................... 7-43
7.5.1 Message Format ..................................................................................................................................... 7-43
7.5.2 Sending a HART Command to a Field Device via Pass-through ........................................................... 7-45
CHAPTER 8 PROGRAMMING EXAMPLES .................................................................................................... 8-1
S ECTION 8.1 C OMPACT L OGIX ................................................................................................................................ 8-1
8.1.1 Reset/Reconfig .......................................................................................................................................... 8-1
8.1.2 Swap Byte Order ....................................................................................................................................... 8-3
8.1.3 Converting Unpacked ASCII to Packed ASCII ......................................................................................... 8-3
S ECTION 8.2 M ICRO L OGIX 1500 ............................................................................................................................ 8-6
8.2.1 MAIN Routine ........................................................................................................................................... 8-7
8.2.2 PACKETS Routine .................................................................................................................................... 8-8
8.2.3 MSG_TO_MOD Routine ........................................................................................................................ 8-11
8.2.4 SRC_CHECK Routine ............................................................................................................................ 8-28
8.2.5 DEST_CHECKSUM Routine .................................................................................................................. 8-30
8.2.6 HART_MSG Routine ............................................................................................................................... 8-32
8.2.7 WORD_BYTE Routine ............................................................................................................................ 8-43
8.2.8 HART_CHECK Routine .......................................................................................................................... 8-46
8.2.9 BYTE_WORD Routine ............................................................................................................................ 8-48
CHAPTER 9 DIAGNOSTICS AND TROUBLESHOOTING ............................................................................ 9-1
S ECTION 9.1 S AFETY C ONSIDERATIONS ................................................................................................................. 9-1
9.1.1 Indicator Lights ........................................................................................................................................ 9-1
9.1.2 Stand Clear of Equipment ......................................................................................................................... 9-1
9.1.3 Program Alteration ................................................................................................................................... 9-1
9.1.4 Safety Circuits ........................................................................................................................................... 9-1
S ECTION 9.2 M ODULE O PERATION VS . C HANNEL O PERATION .............................................................................. 9-2
S ECTION 9.3 P OWER - UP D IAGNOSTICS .................................................................................................................. 9-2
S ECTION 9.4 C HANNEL D IAGNOSTICS .................................................................................................................... 9-2
9.4.1 Invalid Channel Configuration Detection ................................................................................................ 9-2
9.4.2 Over or Under-Range Detection ............................................................................................................... 9-3
S ECTION 9.5 N ON - CRITICAL VS . C RITICAL M ODULE E RRORS ............................................................................... 9-3
S ECTION 9.6 M ODULE E RROR D EFINITION T ABLE ................................................................................................. 9-3
9.6.1 Module Error Field................................................................................................................................... 9-3
9.6.2 Extended Error Information Field ............................................................................................................ 9-4
S ECTION 9.7 E RROR C ODES .................................................................................................................................... 9-4
S ECTION 9.8 M ODULE I NHIBIT F UNCTION ............................................................................................................. 9-5
APPENDIX A MODULE SPECIFICATIONS .................................................................................................... A-1
S ECTION A.1 E LECTRICAL S PECIFICATIONS .......................................................................................................... A-1
S ECTION A.2 E NVIRONMENTAL S PECIFICATIONS ................................................................................................. A-2
S ECTION A.3 R EGULATORY C OMPLIANCE ............................................................................................................ A-3
APPENDIX B HART UNIVERSAL AND COMMON PRACTICE COMMANDS ......................................... B-1