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Honeywell STT750 SmartLine, Quick Start Installation Manual, Page: 4 / 20

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Honeywell STT750 SmartLine Quick Start Installation Manual Download Page 4

SmartLine Temperature Transmitter 

4 

Quick Start Installation Guide 

 

 

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. 
For Housing without adaptor refer to Honeywell drawings 32306827 (No-Adaptor, Flat 
pipe mount) and 32306828 (No-adaptor, Wall mount).  
TRANSMITTER ENCLOSURE CAN BE ROTATED A TOTAL OF 90O FROM THE 
STANDARD MOUNTING POSITION 

 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 

Figure 2 

– STT750 with adapter housing - Horizontal Wall Mounting 

 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Figure 3 

– STT750 Pipe Mount, Vertical 

Summary of Contents for STT750 SmartLine

Page 1: ...pment Documents in hardcopy can also be ordered 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 1st release Rev 2 Display menu updates CVD and Angle brackets added Rev 3 Display menu updates Rev 4 Mounting drawings upda...

Page 2: ...per Settings 13 Table 2 Available Display Characteristics 14 Table 3 Basic Display Configuration 14 Figures Figure 1 Electronics Housing Components 3 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 Pi...

Page 3: ...ged 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 Figure 1 shows the assemblies in the Electronics Housing with available options Figure 1 Electronics Housing Components The Transmit...

Page 4: ... 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 For Housing without adaptor refer to Honeywell drawings 32306827 No Adaptor Flat pipe mount and 32306828 No adaptor Wall mount TRANSMITTER ENCLOSURE CAN BE ROTATED A TOTAL OF 90O FROM THE STANDARD MOUNTING POSITION Figure 2...

Page 5: ...wings Bracket Mounting If you are using an optional bracket start with Step 1 1 Align the two mounting holes in the transmitter with the two slots in the mounting bracket and assemble the 2 M8 hex cap screws 2 lockwashers and 2 flat washers provided Rotate transmitter assembly to the desired position and torque the M8 hex cap screws to 27 0 Nm 20 0 Lb ft maximum 2 Pipe Mount Option Refer to Figure...

Page 6: ...e Wall mounting hardware requirements to be determined and supplied by the end user Existing mounting bracket see 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 S...

Page 7: ...Quick Start Installation Guide 7 HORIZONTAL ANGLE PIPE VERTICAL ANGLE PIPE Figure 5 Flat and Angle Mounting Brackets secured to Horizontal or Vertical Pipe ...

Page 8: ...ARY NOTICE THE CONDUIT CABLE GLAND ENTRIES OF THIS PRODUCT ARE SUPPLIED WITH PLASTIC DUST CAPS WHICH ARE NOT TO BE USED IN SERVICE IT IS THE USER S RESPONSIBILITY TO REPLACE THE DUST CAPS WITH CABLE GLANDS ADAPTORS AND OR BLANKING PLUGS WHICH ARE SUITABLE FOR THE ENVIRONMENT INTO WHICH THIS PRODUCT WILL BE INSTALLED THIS INCLUDES ENSURING COMPLIANCE WITH HAZARDOUS LOCATION REQUIREMENTS AND REQUIRE...

Page 9: ...nges shown in Figure 7 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 8 Connect the Loop Power wiring shield to earth ground only at the power supply end Note that the Transmitt...

Page 10: ...eld should only be connected to earth ground at the power supply end Note Terminal pin 9 is not used 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 Appendix A of this document for details Note Terminal 3 is for loop test The Transmitter is designed to operate in a two wire power...

Page 11: ...ing power to the transmitter 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 STT750 SmartLine Transmitter User s Manual 34 TT 25 13 for details Input Sensor Wiring Connect the input sensors as shown in Figure below Figure 9 STT750 Thermocouple RTD mV Ohm and Volt Connections ...

Page 12: ...conduit within 18 inches 457 2 mm of the Transmitter Crouse Hinds type EYS EYD or EYSX EYDX are examples of LISTED explosion proof seals that meet this requirement Transmitters installed as explosion proof in Class I Division 1 Group B C or D hazardous classified locations do not require that explosion proof seal be installed in the conduit Step Action 1 See Figure 8 above for parts locations Loos...

Page 13: ...mitter ATTENTION Electrostatic Discharge ESD hazards Observe precautions for handling electrostatic sensitive devices Step Action 1 Turn OFF Transmitter power 2 Loosen the end cap lock and unscrew the end cap from the Electronics side of the Transmitter housing 3 If there is a Display module carefully depress the tabs on the sides of the Display Module and pull it off If necessary move the interfa...

Page 14: ...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: ...ust the LCD contrast level Range from 1 to 9 Default 7 Press to enter menu selection and to select entry to enter Rotation Time Screen Rotate Enabled Disabled Select to enable or disable the automatic rotation of Screens Select Screen 1 through 8 Select Screen to configure Screen Enabled Disabled Select to enable or disable the screen for display and configuration Screen PV Loop PV CJ Temperature ...

Page 16: ...ype Input selection Sensor Wire Type Visible for RTD sensor type only 2 Wire 3 Wire 4 Wire Select the number of lead wires for RTD and Ohm sensors Sensor Lead Res Visible for RTD sensor type and 2 wire RTD type only Sensor lead wire resistance value only if RTD type is 2 wire Sensor Bias Bias on the measured value Sensor Cal Lo Pt Calibration low point for Sensor Sensor Cal Hi Pt Calibration high ...

Page 17: ... critical sensor input failures to latch to the Critical Fault state The fault may only be cleared by device reset When disabled the critical sensor input failure will be cleared if the input recovers CJ Type Internal Fixed Determines the source of the Cold Junction compensation for thermocouple Sensor types Fixed CJ Value Visible for TC input only When CJ Type is Fixed specifies the Cold Junction...

Page 18: ...ent meter to the transmitter to monitor the loop output DAC Span Trim Loop must be removed from Automatic Control DAC Span Trim This selection allows the loop span output 20mA value to be trimmed Note You must connect a current meter to the transmitter to monitor the loop output Loop Test Loop must be removed from Automatic Control Loop Test 12 000 This selection allows the user to force the DAC o...

Page 19: ...te DD MM YYYY This selection allows the user to enter the date a transmitter is installed The Install Date is entered in sequence of Day Month and Year followed by the new date and the prompt Write Date to confirm the entry CAUTION The Install Date can only be written once in the life of the Transmitter You cannot erase or overwrite the Install Date once it has been written Firmware Display Electr...

Page 20: ...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 covera...

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