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STT700 SmartLine  
Temperature Transmitter  
Quick Start Installation Guide 

 

34-TT-25-19, Revision 1, July 2017 

 

 
 

STT700 Quick Start Installation Guide 

July 2017

 

This document provides descriptions  
and procedures for the Quick Installation 
of Honeywell’s family of SmartLine 
Temperature Transmitters. 

The STT700 is available in a variety of 
models for measuring Thermocouples, 
RTD, Millivolts and Ohm sensor types.  

For full details refer to the manuals 
listed below for Operation, Installation, 
Protocol, Configuration, Calibration, 
Maintenance, Parts, Safety and 
Approvals etc. including options. 

Various other documents are available 
on the CD supplied with your shipment.  

Copyrights, Notices and Trademarks 
Copyright 2017 by Honeywell 
Revision 1, May 2017 
 

 

Trademarks 

SFC, SmartLine, STT700 are U.S. 
registered trademarks of Honeywell Inc.  
 
HART

®

 is a trademark of FieldComm 

Group

™ 

 

Revision history 
Rev.1, July 2017 

– 1

st

 release 

 

References 

The following list identifies all documents that may be sources of reference for material 
discussed in this publication. 

Document Title 

Document # 

STT700 SmartLine 

Transmitter User’s Manual 

34-TT-25-17 

STT700 SmartLine Transmitter HART User Manual 

34-TT-25-18 

 

SmartLine Temperature Safety Manual  

34-TT-25-20 

STT700 Specification 

34-TT-03-19 

STT700 Surge Protection spec 

34-TT-03-20 

STT700 Field Device Specification (HART) 

34-TT-00-05 

MC Toolkit User Manual (MCT404) 

34-ST-25-50 

 

For start-up, operation (including configuration), maintenance and calibration refer to 

the STT700 Transmitter User’s manual, #34-TT-25-17 

Summary of Contents for SmartLine STT700 DE

Page 1: ...pyrights Notices and Trademarks Copyright 2017 by Honeywell Revision 1 May 2017 Trademarks SFC SmartLine STT700 are U S registered trademarks of Honeywell Inc HART is a trademark of FieldComm Group Revision history Rev 1 July 2017 1st release References The following list identifies all documents that may be sources of reference for material discussed in this publication Document Title Document ST...

Page 2: ...700 Temperature Transmitter HART left DE right 3 Figure 2 DIN Rail Mounting 4 Figure 3 Wall Mounting Dimensions 5 Figure 4 Pipe Mounting Dimensions 5 Figure 5 Spring Loading and Sensor Assembly 6 Figure 6 STT700 HART Transmitter Operating Ranges 7 Figure 7 STT700 DE Transmitter Operating Ranges 7 Figure 8 STT 700 Terminal connections 8 Figure 9 HART DE Input Wiring Diagram for single sensor connec...

Page 3: ...ices e g pumps Valve Cavitation In preparation for post installation processes refer to the MC Toolkit User Manual Document 34 ST 25 50 MCT404 for battery conditioning and device operation and maintenance information FEATURES AND OPTIONS As shown in Figure 1 the STT700 is packaged in a single module The elements in this module are connected to the process sensors measure the process variables resp...

Page 4: ...crewed to the bottom lugs of the module Figure 2 DIN Rail Mounting The DIN Rail needs to be connected to Earth Ground refer to STT700 SmartLine transmitter user s manual 34 TT 25 17 Uninstalling Installing EU Meter from Housing EU Meter 1 Remove the EU METER from the mounting bracket 2 Unfasten the 2 mounting screws 3 Remove the bracket To put the EU meter back follow the above sequence in the rev...

Page 5: ...r Field Mount Housing without Meter Field Mount Housing with and without Meter Figure 3 Wall Mounting Dimensions Field Mount Housing with Meter Field Mount Housing without Meter Field Mount Housing with and without Meter Figure 4 Pipe Mounting Dimensions Table 2 Mounting Dimensions Dimensions Aluminum field mount housing A B Without integral meter 70 mm 2 76 inch 120 8 mm 4 76 inch With integral m...

Page 6: ...ssembly together Guide the sensor assembly through the housing sensor entry and screw down the 33 mm screws until the limit is reached as the sensor presses against the bottom of thermowell For wall or 2 pipe mounting the temperature sensor can be remote from the STT700 field mount housing or integral to the housing For remote installations the sensor wiring should be run in shielded twisted pair ...

Page 7: ... Summary The transmitter is designed to operate in a two wire power current loop with loop resistance and power supply voltage within the HART and DE operating ranges shown in Figure 6 Figure 6 STT700 HART Transmitter Operating Ranges Figure 7 STT700 DE Transmitter Operating Ranges ...

Page 8: ...or use in areas that are highly susceptible to lightning strikes As noted above the loop power wiring shield should only be connected to earth ground at the power supply end Wiring must comply with local codes regulations and ordinances Grounding may be required to meet various approval body certification for example CE conformity Refer to the STT700 SmartLine Transmitter User s Manual 34 TT 25 17...

Page 9: ...AWG or 8 37mm2 bare or green covered wire for this connection For ungrounded thermocouple mV RTD or ohm inputs connect the input wiring shield s to the same earth ground connection For grounded thermocouple inputs connect the internal ground connection shown in Figure 8 to the same earth ground as used by the thermocouple As noted above the loop power wiring shield should only be connected to eart...

Page 10: ... 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 wires T...

Page 11: ...otection against surges such as those generated by lightning strikes The lightning protector mounts right on the top of the STT700 terminal block providing easy field wiring and also protection for the EU meter if used For more details refer to STT700 SmartLine temperature transmitter user s manual 34 TT 25 17 Figure 11 Lightning Protector Dimensions ...

Page 12: ...er module terminal block and the transmitter output screws and fix mechanically the device Attach the grounding wire to the ground screw in the housing Connect a wire from the transmitter enclosure to local earth ground Use size 14 AWG or 2 0mm2 bare or green covered wire If an EU meter is used wire according to Figure 13 Connect the 4 20mA loop to the and terminal screws of the surge protection a...

Page 13: ... STT700 Quick Start Installation Guide 13 Figure 13 Installation with EU Meter For start up operation including configuration maintenance and calibration refer to the STT700 Transmitter User s manual 34 TT 25 17 ...

Page 14: ... com AMERICAS Honeywell Process Solutions Phone 1 800 423 9883 Or 1 800 343 0228 Email Sales ask ssc honeywell com or TAC hfs tac support honeywell com WARRANTY REMEDY Honeywell warrants goods of its manufacture as being free of defective materials and faulty workmanship Contact your local sales office for warranty information If warranted goods are returned to Honeywell during the period of cover...

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