Honeywell ST 800 User Manual

Revision 10 ST 800 SmartLine Pressure Transmitters User’s Manual Page ix
List of Figures
Figure 1 – ST 800 Major Assemblies ..................................................................................................... 2
Figure 2 – Electronics Housing Components ......................................................................................... 2
Figure 3 –Typical ST 800 Name Plate ................................................................................................... 3
Figure 4 – Typical Bracket Mounted and Flange Mounted Installations ............................................... 8
Figure 5 – Angle Mounting Bracket Secured to a Horizontal or Vertical Pipe ...................................... 9
Figure 6 – Inline Model Mounted to an Optional Bracket ................................................................... 10
Figure 7 – Rotating the Electronics Housing ....................................................................................... 10
Figure 8 – Using a Spirit Balance to Level a Transmitter .................................................................... 11
Figure 9 – Tank-Flange Mounted Transmitter ..................................................................................... 12
Figure 10 – Typical Flush and Flange Mounted Installations .............................................................. 13
Figure 11 – Representative Remote Diaphragm Seal Transmitter Installation .................................... 14
Figure 12 – Typical 3-Valve Manifold with Blow-Down Piping......................................................... 16
Figure 13 – Flange Adapter Removal and Replacement ...................................................................... 19
Figure 14 – Transmitter Operating Ranges .......................................................................................... 20
Figure 15 – Transmitter 3-Screw Terminal Board and Grounding Screw ........................................... 20
Figure 16 – Current Loop Test Connections ........................................................................................ 24
Figure 17 – Three-Button Option ......................................................................................................... 25
Figure 18 – Locating the Failsafe and Write Protect Jumpers.............................................................. 55
Figure 19 – Basic Display with Process Variable Format .................................................................... 57
Figure 20 – Advanced Display Formats with the Process Variable ..................................................... 57
Figure 21 – DP Transmitter Head Disassembly ................................................................................... 61
Figure 22 – Head Bolt Tightening Sequence........................................................................................ 62
Figure 23 – PWA Replacement ............................................................................................................ 63
Figure 24 – Disassembly for Meter Body Replacement ....................................................................... 65
Figure 25 – Hardware Location to Remove the Meter Assembly ........................................................ 66
Figure 26 – Meter Body Reassembly ................................................................................................... 67
Figure 27 – Head Bolt Tightening Sequence........................................................................................ 67
Figure 28 – Local Display Fault Diagnostic Conditions ...................................................................... 71
Figure 29 – Angle and Flat Bracket Parts............................................................................................. 74
Figure 30 – Electronic Housing, Display End ...................................................................................... 75
Figure 31 – Electronic Housing, Terminal Block End ......................................................................... 76
Figure 32 – Transmitter Major Assemblies .......................................................................................... 78
Figure 33 - ST 800 Models STD810, 820, 830, & 870 ........................................................................ 81
Figure 34 – STG830, 840, 870, and STA822, 840 Transmitter Body .................................................. 84
Figure 35 – Inline Gauge and Inline Atmospheric Display Bodies ...................................................... 86
Figure 36 – Flush Mount Meter Body .................................................................................................. 87
Figure 37 – Extended Flange Design ................................................................................................... 88
Figure 38 - Pseudo Flange design ....................................................................................................... 89
Figure 39 – Remote Seal Diaphragm ................................................................................................... 89
Figure 40 - COPLANAR ADAPTER REPLACEMENT SEALS KIT ............................................... 91

Honeywell ST 800 Specifications

General

Brand	Honeywell
Model	ST 800
Category	Transmitter
Language	English