vi ST 800 Pressure Transmitter User’s Manual Revision 15
Table of Contents
1 Introduction ........................................................................................................................................................... 1
1.1 Overview ....................................................................................................................................................... 1
1.2 Features and Options ..................................................................................................................................... 1
1.2.1 Physical Characteristics ................................................................................................................................ 1
1.2.2 Functional Characteristics ............................................................................................................................. 2
1.3 ST 800 Transmitter Name Plate .................................................................................................................... 3
1.4 Safety Certification Information .................................................................................................................... 3
1.5 Transmitter Adjustments ............................................................................................................................... 3
1.6 Display Options ............................................................................................................................................. 4
1.7 Optional 3-Button Assembly ......................................................................................................................... 4
2 Application Design ............................................................................................................................................... 5
2.1 Overview ....................................................................................................................................................... 5
2.1.1 Accuracy ....................................................................................................................................................... 5
2.1.2 Diagnostic Messages ..................................................................................................................................... 5
2.1.3 Safety Integrity Level (SIL) .......................................................................................................................... 6
2.1.4 Plugged Impulse Line detection (PILD) ........................................................................................................ 6
3 Installation and Startup .......................................................................................................................................... 7
3.1 Installation Site Evaluation ............................................................................................................................ 7
3.2 Honeywell Versatilis Configurator ................................................................................................................ 7
3.3 Display Installation Precautions .................................................................................................................... 8
3.4 Mounting ST 800 SmartLine pressure transmitters ....................................................................................... 8
3.4.1 Summary ....................................................................................................................................................... 8
3.4.2 Mounting Dimensions ................................................................................................................................... 9
3.4.3 Bracket Mounting Procedure ......................................................................................................................... 9
3.4.4 Mounting transmitters with Small Absolute or Differential Pressure Spans ................................................ 11
3.4.5 Flange Mounting ......................................................................................................................................... 11
3.4.6 Flush Mounting Procedure .......................................................................................................................... 12
3.4.7 Remote Diaphragm Seal Mounting Information ......................................................................................... 13
3.5 Piping the ST 800 Transmitter ..................................................................................................................... 14
3.5.1 Piping Arrangements .................................................................................................................................. 14
3.5.2 Suggestions for Transmitter Location ......................................................................................................... 15
3.5.3 General Piping Guidelines ........................................................................................................................... 15
3.5.4 Procedure to Install Flange Adapters ........................................................................................................... 15
3.6 Wiring a Transmitter ................................................................................................................................... 16
3.6.1 Overview ..................................................................................................................................................... 16
3.6.2 Digital System Integration Information ....................................................................................................... 18
3.6.3 Wiring Variations ........................................................................................................................................ 18
3.6.4 Wiring Procedure ........................................................................................................................................ 18
3.6.5 Lightning Protection .................................................................................................................................... 18
3.6.6 Supply Voltage Limiting Requirements ...................................................................................................... 18
3.6.7 Process Sealing ............................................................................................................................................ 19
3.6.8 Explosion-Proof Conduit Seal ..................................................................................................................... 19
3.7 Startup ......................................................................................................................................................... 19
3.7.1 Overview ..................................................................................................................................................... 19
3.7.2 Startup Tasks ............................................................................................................................................... 19
3.7.3 Output Check Procedures ............................................................................................................................ 20
3.7.4 Constant Current Source Mode Procedure .................................................................................................. 20