Table Of Contents - Honeywell ST 700 User Manual

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 700 Transmitter Nameplate .............................................................................................. 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
2.2 Safety ..................................................................................................................................... 6
2.2.1 Safety Integrity Level (SIL) ........................................................................................... 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 700 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 Remote Diaphragm Seal Mounting Information .......................................................... 13
3.5 Piping the ST 700 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
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Contents
ST 700 SmartLine Pressure Transmitters User's Manual Revision 2.0