Siemens SIMATIC ET 200SP HA - Page 4

6.5 Application case 2a: SIL3/Cat.3/PLd, 4-wire transmitter, 1oo1 (high availability) .................. 46
6.6 Application case 3: SIL3/Cat.4/PLe, 2- or 4-wire transducer, 1oo2 ........................................ 48
6.7 Application case 3a: SIL3/Cat.4/PLe, 2- or 4-wire transmitter, 1oo2 (high availability) .......... 51
6.8 Application case 4: SIL3/Cat.4/PLe, 2- or 4-wire transmitter, 2oo3 ....................................... 54
6.9 Requirements placed on sensors for fail-safe modules ........................................................ 57
6.10 IO redundancy ................................................................................................................... 58
6.11 Calculation of the remaining supply voltage at the sensor................................................... 60
7 Displays, alarms and messages ........................................................................................................... 61
7.1 Status and error displays .................................................................................................... 61
7.2 LEDs .................................................................................................................................. 62
7.2.1 DIAG LED ........................................................................................................................... 62
7.2.2 MT LED.............................................................................................................................. 62
7.2.3 Channel status / fault LEDs ................................................................................................. 63
7.2.4 Channel status/DIAG/Channel fault LEDs............................................................................. 63
7.2.5 PWR LED ............................................................................................................................ 64
7.3 Interrupts .......................................................................................................................... 65
7.4 Diagnostic messages.......................................................................................................... 67
7.5 Maintenance events........................................................................................................... 72
8 HART function...................................................................................................................................... 75
8.1 Use.................................................................................................................................... 75
8.1.1 Notes on use...................................................................................................................... 75
8.1.2 HART ................................................................................................................................. 76
8.1.3 HART protocol.................................................................................................................... 76
8.1.4 HART for safety-related applications ................................................................................... 77
8.2 HART system connection.................................................................................................... 79
8.2.1 Notes on system connection .............................................................................................. 79
8.2.2 HART con󹪝guration tool ..................................................................................................... 80
8.2.3 HART signal ....................................................................................................................... 81
8.2.4 HART device status............................................................................................................. 81
8.3 Communication ................................................................................................................. 83
8.3.1 Notes on communication with HART .................................................................................. 83
8.3.2 HART command................................................................................................................. 83
8.3.3 Explanation of the HART commands................................................................................... 84
8.3.3.1 Universal HART commands................................................................................................. 84
8.3.3.2 General purpose HART commands...................................................................................... 84
8.3.3.3 Device-speci󹪝c HART commands ........................................................................................ 85
8.3.4 SHC sequence.................................................................................................................... 85
8.4 Tags................................................................................................................................... 86
8.4.1 Notes on HART variables .................................................................................................... 86
8.4.2 HART variables................................................................................................................... 86
8.4.3 Quality code ...................................................................................................................... 86
8.4.4 HART revision .................................................................................................................... 87
8.4.4.1 Field devices with HART revision 5 and 6 ............................................................................ 87
Table of contents
F-AI 8xI 2-/4-wire HART HA
4 Equipment Manual, 09/2021, A5E50557845-AA