Siemens sitrans tr300, Manual

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Table of contents
SITRANS TR200/TR300
4
Operating Instructions, 06/2010, A5E01071992-03
6 Operation................................................................................................................................................. 29
6.1
Operating and parameterizing the SITRANS TR200/TR300...................................................... 29
6.2 Operating the with SITRANS TR200 PC/laptop and modem ..................................................... 29
6.3 SITRANS TR300 operation......................................................................................................... 31
6.3.1 Operation using a HART modem and SIMATIC PDM ................................................................ 31
6.3.2 Operation with HART communicator .......................................................................................... 32
7 Functional safety...................................................................................................................................... 33
7.1
General safety information.......................................................................................................... 33
7.1.1 Safety-instrumented system........................................................................................................ 33
7.1.2 Safety Integrity Level (SIL).......................................................................................................... 35
7.2 Device-specific safety instructions .............................................................................................. 37
7.2.1 Safety function ............................................................................................................................ 37
7.2.2 Requirements.............................................................................................................................. 37
7.2.3 Settings ....................................................................................................................................... 38
7.2.4 Behavior in case of faults............................................................................................................ 39
7.2.5 Maintenance/Checking................................................................................................................ 39
7.2.6 Safety characteristics.................................................................................................................. 40
8 Commissioning ........................................................................................................................................ 41
8.1
Commissioning............................................................................................................................ 41
8.2 LED operating indicator............................................................................................................... 41
9 Functions ................................................................................................................................................. 43
9.1
General information..................................................................................................................... 43
9.2 Broken wire monitoring ............................................................................................................... 45
9.3 Short-circuit monitoring ............................................................................................................... 45
9.4 Line compensation ...................................................................................................................... 45
9.5 Type of characteristic curve (rising or falling) ............................................................................. 45
9.6 Measured value offset................................................................................................................. 46
9.7 Sensor factor............................................................................................................................... 46
9.8 Cold junction compensation with thermocouples........................................................................ 46
9.9 Calculation of differential value/mean value ............................................................................... 47
9.10 Electrical damping....................................................................................................................... 47
9.11 Current transmitter function (only for SITRANS TR300)............................................................. 47
9.12 Alarm current............................................................................................................................... 48
9.13 Sensor calibration ....................................................................................................................... 49
9.13.1 Sensor calibration (one point) ..................................................................................................... 49
9.13.2 Sensor calibration (two point)...................................................................................................... 49
9.14
Current sensor calibration (D/A trim) .......................................................................................... 51
9.14.1 Function....................................................................................................................................... 51
9.14.2 Application example: Current input calibration at 4 mA and 20 mA ........................................... 52
9.15
Special characteristic curve ........................................................................................................ 53
9.16 Factory parameters ..................................................................................................................... 57