Siemens 7MF8.23 Series User Manual

Table of contents
SITRANS P300 with HART communication
iv Operating Instructions, 06/2005, A5E00359579-02
6.3 Information on operation ............................................................................................................ 6-3
6.4 Digital display ............................................................................................................................. 6-4
6.4.1 Elements of the digital display ................................................................................................... 6-4
6.4.2 Units display............................................................................................................................... 6-5
6.4.3 Error display ............................................................................................................................... 6-6
6.4.4 Mode display .............................................................................................................................. 6-7
6.4.5 Status display............................................................................................................................. 6-7
6.4.6 Overflow range........................................................................................................................... 6-8
6.5 Local operation........................................................................................................................... 6-9
6.5.1 Local control elements ............................................................................................................... 6-9
6.5.2 Local operation without digital display ..................................................................................... 6-11
6.5.3 Operating via keys ................................................................................................................... 6-12
6.5.4 Zero point/limit point................................................................................................................. 6-13
6.5.4.1 The difference between setting and adjusting ......................................................................... 6-13
6.5.4.2 Setting/adjusting zero point...................................................................................................... 6-17
6.5.4.3 Setting/adjusting limit point ...................................................................................................... 6-18
6.5.5 Setting/adjusting electrical damping ........................................................................................ 6-19
6.5.6 Blind zero point/limit point ........................................................................................................ 6-21
6.5.6.1 Difference between set/adjust and blind set/adjust. ................................................................ 6-21
6.5.6.2 Blind setting the zero point....................................................................................................... 6-22
6.5.6.3 Blind setting the limit point ....................................................................................................... 6-23
6.5.6.4 Blind adjusting zero point......................................................................................................... 6-24
6.5.6.5 Blind adjusting limit point.......................................................................................................... 6-25
6.5.7 Zero point calibration................................................................................................................ 6-25
6.5.8 Current sensor ......................................................................................................................... 6-26
6.5.9 Output current in case of fault.................................................................................................. 6-27
6.5.10 Locking keys ............................................................................................................................ 6-29
6.5.11 Releasing key or function lock .................................................................................................
6-30
6.5.12 Characteristic curve ................................................................................................................. 6-30
6.5.13 Inset point of the root extraction characteristic curve .............................................................. 6-31
6.5.14 Measured value display ........................................................................................................... 6-32
6.5.15 Unit........................................................................................................................................... 6-33
7 Operating functions via HART ................................................................................................................ 7-1
7.1 Operating functions via HART communication .......................................................................... 7-1
7.2 Process tag data ........................................................................................................................ 7-2
7.3 Measurement ............................................................................................................................. 7-2
7.4 Selecting the measurement type ............................................................................................... 7-2
7.4.1 Measurement type selector........................................................................................................ 7-2
7.4.2 Overview of measurement types ............................................................................................... 7-3
7.4.3 Variable mapper......................................................................................................................... 7-4
7.4.4 Measurement type "Pressure" ................................................................................................... 7-4
7.4.5 Customized characteristic curve ................................................................................................ 7-5
7.4.6 Measurement type "Level" ......................................................................................................... 7-6
7.4.7 Measurement type "User" .......................................................................................................... 7-8
7.4.8 Measured value status............................................................................................................. 7-10
7.4.9 Analog output block.................................................................................................................. 7-13
7.4.10 Scaling of the digital display value ........................................................................................... 7-15
7.5 Setting zero point and limit point.............................................................................................. 7-16
7.6 Blind setting of zero point and limit point ................................................................................. 7-17
7.7 Zero point calibration (position correction)............................................................................... 7-17
7.8 Electrical damping.................................................................................................................... 7-18

Siemens 7MF8.23 Series Specifications

General

Brand	Siemens
Model	7MF8.23 Series
Category	Transmitter
Language	English