Honeywell ST 800 User Manual

Revision 10 ST 800 SmartLine Pressure Transmitters User’s Manual Page vii
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
2.2 Safety ...................................................................................................................................... 5
2.2.1 Accuracy ......................................................................................................................... 5
2.2.2 Diagnostic Messages ...................................................................................................... 5
2.2.3 Safety Integrity Level (SIL) ........................................................................................... 6
2.2.4 Plugged Impulse Line detection (PILD) ......................................................................... 6
3 Installation and Startup ................................................................................................................... 7
3.1 Installation Site Evaluation ..................................................................................................... 7
3.2 Honeywell MC Toolkit........................................................................................................... 7
3.3 Display Installation Precautions ............................................................................................. 7
3.4 Mounting ST 800 SmartLine Pressure Transmitters .............................................................. 8
3.4.1 Summary......................................................................................................................... 8
3.4.2 Mounting Dimensions .................................................................................................... 8
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 .......................................................................................................... 12
3.4.6 Flush Mounting Procedure ........................................................................................... 13
3.4.7 Remote Diaphragm Seal Mounting Information .......................................................... 14
3.5 Piping the ST 800 Transmitter ............................................................................................. 16
3.5.1 Piping Arrangements .................................................................................................... 16
3.5.2 Suggestions for Transmitter Location .......................................................................... 18
3.5.3 General Piping Guidelines ............................................................................................ 18
3.5.4 Procedure to Install Flange Adapters ............................................................................ 18
3.6 Wiring a Transmitter ............................................................................................................ 20
3.6.1 Overview ...................................................................................................................... 20
3.6.2 Digital System Integration Information ........................................................................ 21
3.6.3 Wiring Variations ......................................................................................................... 22
3.6.4 Wiring Procedure .......................................................................................................... 22
3.6.5 Lightning Protection ..................................................................................................... 22
3.6.6 Supply Voltage Limiting Requirements ....................................................................... 22
3.6.7 Process Sealing ............................................................................................................. 22
3.6.8 Explosion-Proof Conduit Seal ...................................................................................... 22
3.7 Startup .................................................................................................................................. 23
3.7.1 Overview ...................................................................................................................... 23
3.7.2 Startup Tasks ................................................................................................................ 23
3.7.3 Output Check Procedures ............................................................................................. 23
3.7.4 Constant Current Source Mode Procedure ................................................................... 24

Honeywell ST 800 Specifications

General

Brand	Honeywell
Model	ST 800
Category	Transmitter
Language	English