Honeywell STT750 Quick Start Installation Manual
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Honeywell STT750 Quick Start Installation Manual

Honeywell STT750 Quick Start Installation Manual

Smartline temperature transmitter
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Download this manual See also: User Manual
STT750 SmartLine
Temperature Transmitter
Quick Start Installation Guide
34-TT-25-14, Revision 4, September 2017
This document provides descriptions
and procedures for the Quick Installation
of Honeywell's family of SmartLine
Temperature Transmitters.
The SmartLine Temperature Transmitter
is available in a variety of models for
measuring Ohms, mV and temperature
from RTD's and thermocouples.
For full details refer to the manuals
listed below for Protocol, User Interface
(HMI) Operation, Installation,
Configuration, Calibration, Maintenance,
Parts, Safety and Approvals etc.
including options.
Various other documents are available
on the CD supplied with your shipment.
Documents in hardcopy can also be
ordered.
References
The following list identifies all documents that may be sources of reference for material
discussed in this publication.
STT750 SmartLine Transmitter User's Manual
STT750 SmartLine Transmitter HART User Manual
SmartLine Temperature Safety Manual
STT750 Pocket Configuration Guide
STT750 Specification
MC Toolkit User Manual (MCT202)
MC Toolkit User Manual (MCT404)
Honeywell Process Solutions
Document Title
Copyrights, Notices and Trademarks
Copyright 2017 by Honeywell
Revision 4, September 2017
Trademarks
SFC, SmartLine, STT750 are U.S.
registered trademarks of Honeywell Inc.
®
HART
is a trademark of FieldComm
Group™
Revision history
Rev.1 – 1
st
release
Rev.2 – Display menu updates, CVD
and Angle brackets added
Rev.3 – Display menu updates
Rev.4 - Mounting drawings updated
Document #
34-TT-25-13
34-TT-25-15
34-TT-25-05
34-TT-00-02
34-TT-03-16
34-ST-25-20
34-ST-25-50

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Summary of Contents for Honeywell STT750

  • Page 1 The following list identifies all documents that may be sources of reference for material discussed in this publication. Document Title Document # STT750 SmartLine Transmitter User’s Manual 34-TT-25-13 STT750 SmartLine Transmitter HART User Manual 34-TT-25-15 SmartLine Temperature Safety Manual 34-TT-25-05 STT750 Pocket Configuration Guide 34-TT-00-02...

  • Page 2: Table Of Contents

    Figure 2 – STT750 with adapter housing - Horizontal Wall Mounting......4 Figure 3 – STT750 Pipe Mount, Vertical ..............4 Figure 4 – STT750 Pipe Mount with adapter housing - Horizontal & Vertical ....5 Figure 5: Flat and Angle Mounting Brackets secured to Horizontal or Vertical Pipe ..6 Figure 6: Electronic Housing Conduit Entries ...............

  • Page 3: Installation

    FEATURES AND OPTIONS The STT750 is packaged in one major assembly: the Electronics Housing. The elements in the Electronic Housing are connected to the process sensors, measure the process variables, respond to setup commands and execute the software and protocol for the different temperature measurement types.

  • Page 4: Mounting The Transmitter

    MOUNTING THE TRANSMITTER Transmitter models can be attached to a two-inch (50 millimeter) vertical or horizontal flat pipe using Honeywell’s optional angle; alternately you can use your own bracket. Honeywell’s optional wall mounting bracket is also shown below: For Housing with Adaptor refer to Honeywell drawings 50095917 (Flat pipe mount) and 50095918 (Wall mount) for detailed mounting specifications.

  • Page 5: Bracket Mounting

    Figure 4 – STT750 Pipe Mount with adapter housing - Horizontal & Vertical * Note 1: In Figures 2, 3 and 4, Housing adapter may not be present on all transmitter models. If the housing adapter is not present, subtract 24,5mm (0,96 inches) from the dimension specified.

  • Page 6: Optional Mounting Bracket

    Existing mounting bracket, Error! Reference source not found. Figure 5. For Housings with and without Adapter refer to Honeywell drawing #50124813 (Angle pipe mounting) for detailed specifications. Optional Mounting Bracket Position bracket on 2-inch (50.8 mm) and install “U” bolt around pipe and through holes in bracket.

  • Page 7: Figure 5: Flat And Angle Mounting Brackets Secured To Horizontal Or Vertical Pipe

    HORIZONTAL ANGLE PIPE VERTICAL ANGLE PIPE Figure 5 - Flat and Angle Mounting Brackets secured to Horizontal or Vertical Pipe Quick Start Installation Guide...

  • Page 8: Conduit Entry Plugs And Adapters

    SmartLine Temperature Transmitter CONDUIT ENTRY PLUGS AND ADAPTERS Procedures It is the User/Installer’s responsibility to install the Transmitters in accordance with national and local code requirements. Conduit entry plugs and adapters shall be suitable for the environment, shall be certified for the hazardous location when required and acceptable to the authority having jurisdiction for the plant.

  • Page 9: Wiring Connections And Power Up

    Figure Figure 7 STT750 HART/DE Transmitter Operating Ranges Loop wiring is connected to the Transmitter by simply attaching the positive (+) and negative (–) loop wires to the positive (+) and negative (–) terminals on the Transmitter terminal block in the Electronics Housing shown in Figure Connect the Loop Power wiring shield to earth ground only at the power supply end.

  • Page 10: Figure 8: Transmitter 9-Screw Terminal Board And Grounding Screw

    SmartLine Temperature Transmitter Figure 8 - Transmitter 9-Screw Terminal Board and Grounding Screw As shown in Figure 8, each transmitter has an internal terminal to connect it to earth ground. Optionally, a ground terminal can be added to the outside of the Electronics Housing.

  • Page 11: Wiring Variations

    Figure 9 – STT750 Thermocouple, RTD, mV, Ohm and Volt Connections Ohm and Resistance temperature detector (RTD) measurements use the 3 or 4 wire approach. Figure 9 – STT750 Thermocouple, RTD, mV, Ohm and Volt Connections Quick Start Installation Guide...

  • Page 12: Explosion-Proof Conduit Seal

    SmartLine Temperature Transmitter EXPLOSION-PROOF CONDUIT SEAL When installed as explosion proof in a Division 1 Hazardous Location, keep covers tight while the Transmitter is energized. Disconnect power to the Transmitter in the non-hazardous area prior to removing end caps for service. When installed as non-incendive equipment in a Division 2 hazardous location, disconnect power to the Transmitter in the non-hazardous area, or determine that the location is non-hazardous before disconnecting or connecting the Transmitter...

  • Page 13: Set The Jumpers For Hart

    SET THE JUMPERS FOR HART Setting Failsafe Direction and Write Protect Jumpers The SmartLine Temperature Transmitter provides two jumpers to ATTENTION: Electrostatic Discharge set the desired failsafe action and (ESD) hazards. Observe precautions Write Protect option. See Figure 10 for handling electrostatic sensitive devices The top jumper on the electronics Step...

  • Page 14: Table 1 - Jumper Settings

    SmartLine Temperature Transmitter Figure 10 - Jumper Location HART Jumper Settings Description Failsafe = UP (High) Write Protect = OFF (Not Protected) Failsafe = DOWN (Low) Write Protect = OFF (Not Protected) Failsafe = UP (High) Write Protect = ON (Protected) Failsafe = DOWN (Low) Write Protect = ON (Protected) Table 1 - Jumper Settings...

  • Page 15: Configuration Guide

    SmartLine Temperature Transmitter CONFIGURATION GUIDE Table 3 shows the transmitter Basic Display Configuration. Use these tables to configure the transmitter. Table 2 – Available Display Characteristics  Basic Suitable for basic process needs Display  rotation in 90 increments  8 configurable screens ...
  • Page 16 Screen # Units °C, °F,°R, Choose appropriate (Writable for TC and engineering units from list RTD sensor types only) Range/Cal Units Select the ranging and °C, °F, °R, (Visible for TC and RTD calibration temperature sensor types only) units Sensor Type mV, TC, (Database updates take RTD,...
  • Page 17 SmartLine Temperature Transmitter Press ↵ to enter menu Executing this selection Resets selection Reset Sensor Cal Confirm the LRV, and URV Corrects ↑ and ↓ to back to Factory values select entry. ↵ to enter Sensor CVD (Applicable for Enabled, Callendar - Van Dusen RTD Pt50, Pt100, Pt200, Read Only...
  • Page 18 The limits for this value are 0.0 to 102.0 seconds Disabling sets the loop output Enabled NAMUR Output and burnout levels to the Disabled Honeywell levels This selection allows the loop Press ↵ to DAC Zero Trim zero output 4mA value to be enter trimmed.
  • Page 19 SmartLine Temperature Transmitter Enter Tag ID name up to 8 characters long. Tag ID Tag ID = any Alphanumeric value Unique for each Read Only HART Device ID Unique ID for device device Parameter Units for the Primary Variable Units of (Writable - for TC/RTD HART PV Units transmitted PV...
  • Page 20 However, we assume no responsibility for its use. While we provide application assistance personally, through our literature and the Honeywell web site, it is up to the customer to determine the suitability of the product in the application.

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