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STT850 SMARTLINE
Honeywell STT850 SMARTLINE - User Manual
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Honeyw
ell Process Solutions
STT850 SMARTLINE
Temperature Transmitter
User’s Manual
34
-TT-
25
-
03
Revision 3
March
201
6
2
Table of Contents
Main Page
Default Chapter
7
Table of Contents
7
1 Introduction
11
Overview
11
Features and Options
11
Physical Characteristics
11
Table 1 - Features and Options
11
Functional Characteristics
12
Figure 1 - STT850 Major Assemblies
12
Figure 2 - Electronics Housing Components
12
STT850 Smartline Transmitter Nameplate
13
Safety Certification Information
13
Transmitter Adjustments
13
Figure 3 -Typical STT850 Nameplate
13
Revision
13
Display Options
14
Optional 3-Button Assembly
14
Table 2 - Available Display Characteristics
14
2 Application Design
15
Overview
15
Safety
15
Accuracy
15
Diagnostic Messages
15
Safety Integrity Level (SIL)
16
Table 3 - STT850 Standard Diagnostics Messages
16
3 Installation and Startup
17
Display Installation Precautions
17
Honeywell MC Toolkit
17
Installation Site Evaluation
17
Mounting STT850 Smartline Temperature Transmitters
18
Summary
18
Figure 4 - Typical Bracket Mounted Installations
18
Mounting Dimensions
19
Bracket Mounting Procedure
19
Figure 5 - Pipe Mounting Bracket Secured to a Horizontal or Vertical Pipe
19
Wiring a Transmitter
20
Loop Power Overview
20
Figure 6 - HART and de Transmitter Operating Ranges
20
Figure 7 - Transmitter 9-Screw Terminal Board and Grounding Screw
21
Digital System Integration Information
22
Wiring Variations
22
Loop Wiring Procedure
22
Grounding and Lightning Protection
23
Supply Voltage Limiting Requirements
23
Process Sealing
23
Explosion-Proof Conduit Seal
23
Input Sensor Wiring
24
Figure 8 - Thermocouple, MV and Volt Connections
24
Figure 9 - RTD and Ohm Connections
25
Figure 10-HART/FF Dual Input Wiring Diagram
25
Figure 11 - Digital Output Connections for Ma Load (HART Only)
27
Figure 12 - Digital Output Connections for PLC Counting Pulse (HART Only)
27
Startup
28
Overview
28
Startup Tasks
28
Output Check Procedures
28
Constant Current Source Mode Procedure
29
Figure 13 - Current Loop Test Connections
29
4 Operation
31
Overview
31
Three-Button Operation
31
Figure 14 - Three-Button Option
31
Data Entry
32
Menu Navigation
32
Table 4 - Three-Button Option Functions
32
Editing a Numeric Value
33
Selecting a New Setting from a List of Choices
33
Table 5 - Three-Button Data Entry
33
Table 6 - Advanced Display Main Menu Structure
34
The Advanced Display Menus
34
Table 7 -Diagnostics Menu
35
Table 8 -Display Setup Menus
37
Table 9 -Calibration Menus
38
Table 10 -Transmitter Setup Menus
41
Table 11 -Information Menus
47
Table 12 - the Basic Display Menus
48
The Basic Display Menu
48
Selecting a New Setting from a List of Choices
52
Three Button Operation with no Display Installed
53
Zero Adjustment
53
Span Adjustment
53
Changing the Default Failsafe Direction
54
DE and Analog Differences
54
Procedure to Establish Failsafe Operation
54
Figure 15 - Locating the Failsafe and Write Protect Jumpers
55
Table 13 - HART and de Failsafe and Write Protect Jumpers
55
Write Protect Jumper on Foundation Fieldbus (FF)
56
Monitoring the Basic and Advanced Displays
57
Basic Display
57
Advanced Displays
57
Figure 16 - Basic Display with Process Variable Format
57
Table 14 - Fieldbus Simulation and Write Protect Jumpers
57
Figure 17 - Advanced Display Formats with the Process Variable
58
Table 15 - Advanced Displays with PV Format Display Indications
58
Button Operation During Monitoring
60
5 Maintenance
61
Overview
61
Preventive Maintenance Practices and Schedules
61
Replacing the Communication Module
61
Figure 18 - PWA Replacement
61
6 Calibration
64
Recommendations for Transmitter Calibration
64
Calibration Procedures
64
7 Troubleshooting
66
Overview
66
Critical Diagnostics Screens
66
Figure 19 - Local Display Fault Diagnostic Conditions
66
Fault Conditions and Recommended Corrective Actions
67
Table 16 - Fault Conditions and Recommended Corrective Actions
67
8 Parts List
68
Overview
68
Table 17 - Summary List of Recommended Spare Parts
68
Figure 20 - Pipe and Wall Bracket Parts
70
Table 18 - Pipe, Wall and Angle Bracket Parts
70
Figure 21 - Electronic Housing, Display End
71
Table 19 - Transmitter Major Assemblies
71
Figure 22 - Electronic Housing, Terminal Block End
73
Appendix A. PRODUCT CERTIFICATIONS
74
Ambient Temperature
78
Warnings and Cautions
82
Glossary
90
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Honeywell STT850 SMARTLINE Specifications
General
Brand
Honeywell
Model
STT850 SMARTLINE
Category
Transmitter
Language
English
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