MVI71-HART ♦ PLC Platform Start Here
HART Multi-drop Master Communication Module User Manual
Page 6 of 146 ProSoft Technology, Inc.
5Reference 58
5.1 Product Specifications ............................................................................................ 59
5.1.1 General Specifications............................................................................................ 59
5.1.2 Hardware Specifications......................................................................................... 60
5.1.3 Functional Specifications........................................................................................ 60
5.2 Functional Overview ............................................................................................... 62
5.2.1 General Concepts................................................................................................... 62
5.2.2 Backplane Data Transfer........................................................................................ 63
5.2.3 Normal Data Transfer ............................................................................................. 65
5.2.4 Command Control Blocks....................................................................................... 66
5.2.5 HART Channels...................................................................................................... 70
5.2.6 Master Driver .......................................................................................................... 73
5.2.7 Auto-Polling............................................................................................................. 74
5.3 Disabling the RSLinx Driver for the Com Port on the PC....................................... 82
5.4 RS-232 Configuration/Debug Port.......................................................................... 84
5.5 DB9 to RJ45 Adaptor (Cable 14)............................................................................ 84
5.6 Application Port Connection ................................................................................... 85
5.7 Example Field Terminations ................................................................................... 86
5.7.1 Notes....................................................................................................................... 86
5.8 MVI71-HART Status Data Area and Error Codes .................................................. 93
5.8.1 Protocol Error Codes .............................................................................................. 98
5.9 HART Universal Commands................................................................................. 100
COMMAND 00 - Read Unique Identifier ................................................................................... 100
COMMAND 01 - Read Primary Variable................................................................................... 101
COMMAND 02 - Read Current And Percent Of Range............................................................ 102
COMMAND 03 - Read Dynamic Variables ............................................................................... 103
COMMAND 06 - Write Polling Address..................................................................................... 104
COMMAND 12 - Read Message............................................................................................... 105
COMMAND 13 - Read Tag, Descriptor and Date..................................................................... 106
COMMAND 14 - Read PV Sensor Info ..................................................................................... 107
COMMAND 15 - Read Output Information................................................................................ 108
COMMAND 16 - Read Final Assembly Number....................................................................... 109
COMMAND 17 - Write Message............................................................................................... 110
COMMAND 18 - Write Tag, Descriptor and Date ..................................................................... 111
COMMAND 19 - Write Final Assembly Number ....................................................................... 112
5.10 HART Common Practice Commands................................................................... 113
COMMAND 33 - Read Transmitter Variables ........................................................................... 113
COMMAND 34 - Write Damping Value..................................................................................... 114
COMMAND 35 - Write Range Values....................................................................................... 115
COMMAND 36 - Set Upper Range Value................................................................................. 116
COMMAND 37 - Set Lower Range Value................................................................................. 117
COMMAND 38 - Reset Configuration Changed Flag ............................................................... 118
COMMAND 39 - EEPROM Control........................................................................................... 119
COMMAND 40 - Enter Exit Fixed Current Mode....................................................................... 120
COMMAND 41 - Perform Transmitter Self Test........................................................................ 121
COMMAND 42 - Perform Master Reset.................................................................................... 122
COMMAND 43 - Set PV Zero.................................................................................................... 123
COMMAND 44 - Write PV Units................................................................................................ 124
COMMAND 45 - Trim DAC Zero............................................................................................... 125
COMMAND 46 - Trim DAC Gain............................................................................................... 126
COMMAND 47 - Write Transfer Function ................................................................................. 127
COMMAND 48 - Read Additional Transmitter Status............................................................... 128
COMMAND 49 - Write PV Sensor Serial Number .................................................................... 129
COMMAND 50 - Read Dynamic Variable Assignments ........................................................... 130
