
Revision 8.0 ST 700 SmartLine Pressure Transmitters User’s Manual Page vii
Contents
Copyrights, Notices and Trademarks .....................................................................................................ii
1. ST 700 Transmitter Series..............................................................................................................1
1.1 Overview ................................................................................................................................1
2. Introduction to the ST 700 Standard Transmitter...........................................................................3
2.1 Features and Options..............................................................................................................3
2.1.1 Physical Characteristics..................................................................................................4
2.1.2 Functional Characteristics ..............................................................................................5
2.2 ST 700 Standard Transmitter Nameplate ...............................................................................5
2.3 Safety Certification Information.............................................................................................6
2.4 Transmitter Adjustments........................................................................................................6
2.5 Display Options –Standard Display .......................................................................................6
2.6 Optional Integrated Two-Button Assembly (Standard Display)............................................7
3. Application Design for the ST 700 Standard Transmitter.............................................................8
3.1 Overview ................................................................................................................................8
3.2 Accuracy.................................................................................................................................8
3.2.1 Diagnostic Messages ......................................................................................................8
3.3 Safety......................................................................................................................................9
3.3.1 Safety Integrity Level (SIL) ...........................................................................................9
4. Installation and Startupfor the ST 700 Standard Transmitter.......................................................10
4.1 Installation Site Evaluation...................................................................................................10
4.2 Honeywell MC Toolkit.........................................................................................................10
4.3 Display Installation Precautions...........................................................................................10
4.4 Mounting ST 700 Standard Transmitters .............................................................................11
4.4.1 Summary.......................................................................................................................11
4.4.2 Flush mounting - ST 700 Standard Transmitter...........................................................12
4.4.3 Mounting Dimensions..................................................................................................12
4.4.4 Bracket Mounting Procedure........................................................................................13
4.4.5 Mounting Transmitters with Small Absolute or Differential Pressure Spans ..............15
4.4.6 Flange Mounting ..........................................................................................................16
4.4.7 Remote Diaphragm Seal Mounting Information..........................................................17
4.5 Piping the ST 700 Standard Transmitter ..............................................................................18
4.5.1 Piping Arrangements....................................................................................................18
4.5.2 Transmitter Location....................................................................................................19
4.5.3 General Piping Guidelines............................................................................................19
4.5.4 Procedure to Install Flange Adapters............................................................................19
4.6 Wiring the ST 700 Standard Transmitter .............................................................................20
4.6.1 Overview ......................................................................................................................20
4.6.2 Digital System Integration Information........................................................................22
4.6.3 Wiring Variations.........................................................................................................22
4.6.4 Wiring Procedure..........................................................................................................22
4.6.5 Lightning Protection.....................................................................................................23
4.6.6 Supply Voltage Limiting Requirements.......................................................................23
4.6.7 Process Sealing.............................................................................................................23
4.6.8 Explosion-Proof Conduit Seal......................................................................................23
4.7 Startup –ST 700 Standard Transmitter................................................................................24
4.7.1 Overview ......................................................................................................................24
4.7.2 Startup Tasks................................................................................................................24
4.7.3 Output Check Procedures.............................................................................................24
4.7.4 Constant Current Source Mode Procedure...................................................................25