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Honeywell STT25D User Manual
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Smart Temperature Transmitter STT250 – Operator Manual
17
BB section
AA section
(Dimensions in millimeters)
46188452-0XX
(33)
2 x M4
(40)
2 x M3
(41)
1/2" NPT
or M20
1/2" NPT
Figure
10
: Aluminium Direct Head Mount Housing Dimensions
CC section
BB section
46188455-0XX
2 x M4
(26.5)
(57)
AA section
(33)
2 x M4
A
A
(85)
1/2"
NPT
1/2"
NPT or
M20
(57)
A
A
(26.5)
Figure
11
: Plastic Direct Head Mount
Housing Dimensions
AA section
BB section
46188453
-
0XX
1/2"
NPT or
M20
2 x M4
2 x M4
(111)
( 104)
1/2" NPT
33 mm
(41)
Figure
12
: Cast Iron Direct Head Mount Housing Dimensions
19
21
Table of Contents
Default Chapter
2
Table of Contents
2
1 Overview
4
Introduction
4
2 Technical Specifications
5
Environmental Conditions
5
Physical Specifications
5
Figure 1 : Operating Areas
5
3 Theory of Operation
6
Basic Operation
6
Configuration Tools
7
Smart Field Communicator (SFC)
7
HART Communicator (Model 275)
7
Smartline Configuration Toolkit (SCT)
8
4 Bench Check Installation/Commissioning
10
Equipment
10
Figure 2: Bench Check Wiring Connections
10
Installation
10
Unpacking
10
Grounding and Shielding Techniques
11
Stt250 Configuration
11
Analog Output Configuration (Based on STS103)
11
Figure 3: Output Sensor Wiring Connections
11
Figure 4: Flow Chart for Analog and de Configuration
13
DE Digital Output Configuration
14
Figure 4-1: Specific Flow Chart for de Configuration
14
HART Configuration
15
Figure 5: Flow Chart for HART Configuration
16
Mounting
17
DIN Rail Mounting
17
Mounting Module in Housing
17
Figure 6: DIN Rail Mounting
17
Figure 7: Wall Mounting Dimensions
18
Figure 8: Pipe Mounting Dimensions
18
Figure 9: Spring Loading and Sensor Assembly
19
Figure 10: Aluminium Direct Head Mount Housing Dimensions
20
Figure 11: Plastic Direct Head Mount Housing Dimensions
20
Figure 12: Cast Iron Direct Head Mount Housing Dimensions
20
Commissioning
21
Figure 13: Stainless Steel Direct Head Mount Housing Dimensions
21
Start up
21
5 Maintenance/Troubleshooting
22
Maintenance
22
Troubleshooting
22
Troubleshooting with SFC
22
Troubleshooting with HART Communicator
25
Recommended Parts
27
Wiring and Installation Drawings Numbers
28
6 Indication Meters
30
Introduction
30
Connection Information
30
Figure 14: Meters Connections
30
Installation/Commissioning
31
Transmitter Operating in 6 Byte Output Mode
31
Transmitter Operating in 4 Byte Digital Output or in 4-20 Ma Analog Mode
31
Transmitter Operating in 4-20 Ma Analog Output Mode
31
Diagnostic and Troubleshooting
32
Analog Meter
32
Smart Meter
32
Figure 15: Horizontal Style Bargraph
32
Ma Analog Mode Calibration of Smart Meter
33
Instruction
36
Appendix A Transient Protector Installation
36
A.1 O Verview
36
Electrical Characteristics
36
Features and Benefits
36
Overview
36
A.4 I Nstallation P Rocedure
37
Installation Procedure
37
A.5 W Iring R Eference
38
Figure A-1: Typical Wiring of Transient Protector to STT250 Transmitter
38
Wiring Reference
38
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Honeywell STT25D Specifications
General
Brand
Honeywell
Model
STT25D
Category
Transmitter
Language
English
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