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Revision 1

STT700 Temperature Transmitter

User’s Manual

Page 31

6.3.2. Troubleshooting with HART communicator

Troubleshooting the STT700 HART transmitter loop is greatly simplified by connecting a HART
Communicator in the termination area near the receiving instrument. Also connect a digital volt
meter (DVM), at the termination area for the receiving instrument, to confirm a similar signal is
coming from the field and power is available on the two wires of the 4-20 mA loop. This isolates
the problem to either field loop or receiving instrument/power supply/wiring/safety barriers etc. If
the original symptom was an unstable input, it could be a loose connection on the receiving side.
Assuming the above confirms a field loop problem, the likely causes/actions are given below.

Condition

Analysis

Recommended Corrective Action

Diagnostics Failure.

A critical failure has been
detected on the HART
Electronics.

Use a HART device
communicator to read the
detailed status information from
the transmitter. Refer to the
appropriate manual for more
details about the possible failure
causes.

Power cycle the transmitter and if problem
persists replace the transmitter.

DAC Failure.

A critical failure has been
detected on the HART
Electronics.

Use a HART device
communicator to read the
detailed status information from
the transmitter. Refer to the
appropriate manual for more
details about the possible failure
causes.

Power cycle the transmitter and if problem
persists replace the transmitter.

Sensor Input Failure.

A critical failure has been
detected on the HART
Sensor Inputs.

Use a HART device
communicator to read the
detailed status information from
the transmitter. Refer to the
appropriate manual for more
details about the possible failure
causes.

If detail status indicate input fault (open,
short...), correct the root error by checking
the input connection to the transmitter and
sensor type configuration.

If problem persists even after verifying the
input connection and sensor input type
configuration, replace the transmitter.

Configuration Corrupt.

A critical failure has been
detected on the HART
Electronics.

Use a HART device
communicator to read the
detailed status information from
the transmitter. Refer to the
appropriate manual for more
details about the possible failure
causes.

Power cycle the transmitter and if problem
persists replace the transmitter.

For DE please refer to STT700 HART/DE option manual, #34-TT-25-18.

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Содержание STT700 STT700

Страница 1: ...Honeywell Process Solutions STT700 SmartLine Temperature Transmitter User s Manual 34 TT 25 17 Revision 1 July 2017 ...

Страница 2: ...es no express warranties except as may be stated in the written agreement with and for its customers In no event is Honeywell liable to anyone for any indirect special or consequential damages The information and specifications in this document are subject to change without notice Honeywell TDC 3000 SFC SmartLine PlantScape Experion PKS and TotalPlant are registered trademarks of Honeywell Interna...

Страница 3: ... operating controls displays and mechanical installation This manual provides detailed procedures to assist first time users and it further includes keystroke summaries where appropriate as quick reference or refreshers for experienced personnel To digitally integrate a transmitter with one of the following systems For the Experion PKS you will need to supplement the information in this document w...

Страница 4: ...rating Guide Document 34 ST 11 14 for use with STT700 DE only Patent Notice The Honeywell STT700 SmartLine Temperature Transmitter family is covered by one or more of the following U S Patents 5 485 753 5 811 690 6 041 659 6 055 633 7 786 878 8 073 098 and other patents pending Support and Contact Information For Europe Asia Pacific North and South America contact details refer to the back page of...

Страница 5: ...he equipment refers the user to the product manual for additional information The symbol appears next to required information in the manual WARNING Risk of electrical shock Potential shock hazard where HAZARDOUS LIVE voltages greater than 30 Vrms 42 4 Vpeak or 60 VDC may be accessible ESD HAZARD Danger of an electro static discharge to which equipment may be sensitive Observe precautions for handl...

Страница 6: ... tested and certified to be reliable The Canadian Standards mark means the equipment has been tested and meets applicable standards for safety and or performance The Ex mark means the equipment complies with the requirements of the European standards that are harmonized with the 94 9 EC Directive ATEX Directive named after the French ATmosphere EXplosible ...

Страница 7: ... from Housing 13 3 3 4 Spring Loading 15 3 4 Wiring a transmitter 16 3 4 1 Loop Power Overview 16 3 4 2 Digital System Integration Information 18 3 4 3 Wiring Variations 18 3 4 4 Grounding and Lightning Protection 19 3 4 5 Input Sensor Wiring 20 3 4 6 Lightning Protector 21 4 Startup 24 4 1 1 Overview 24 4 1 2 Startup Tasks 24 4 1 3 Output Check Procedures 24 4 1 4 Constant Current Source Mode Pro...

Страница 8: ...r Assembly 15 Figure 9 STT700 with HART Transmitter Operating Ranges 16 Figure 10 STT700 with DE Transmitter Operating Ranges 16 Figure 11 STT700 module terminal connections 17 Figure 12 HART DE Input Wiring Diagram for single sensor connection 20 Figure 13 Wiring Diagram for HART Dual Sensor Connections 20 Figure 14 STT700 with Lightning Protector Dimensions 21 Figure 15 Installation without EU M...

Страница 9: ...livolts and ohm sensor types Table 1 lists the protocols Human Machine Interface HMI materials approvals and mounting bracket options for the STT700 Table 1 Features and Options Feature Option Standard Available Options Communication Protocols HART version 7 Digitally Enhanced DE Human Machine Interface HMI Options No Display EU Meter Calibration Single Approvals See Appendix A for details ATEX CS...

Страница 10: ...2 the STT700 is packaged in a single module The elements in this module 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 STT700 HART Transmitter module Figure 2 STT700 DE Transmitter module ...

Страница 11: ...ART and DE transmitters 1 3 STT700 SmartLine transmitter nameplate The transmitter nameplate mounted on the side of the transmitter see Figure 3 lists its model number physical configuration electronics options accessories certifications and manufacturing specialties Figure 3 Nameplate on the side of the transmitter Figure 4 is an example of a typical temperature transmitter nameplate The model nu...

Страница 12: ... for HART to make any adjustments to an STT700 SmartLine Temperature Transmitter Any HART 7 0 compliant PC host like Honeywell FDM can be used to configure the device Honeywell FDM can also configure the STT700 with DE protocol Alternately certain adjustments can be made through the Experion or Universal Station if the transmitter is digitally integrated with a Honeywell Experion or TPS system 1 6...

Страница 13: ...l faults Problems detected as critical diagnostics drive the analog output to the programmed burnout level for HART and DE Tables 3 and 4 below list the diagnostics and how faults are handled by the STT700 transmitter Refer to the Troubleshooting section for further details Table 3 show specific diagnostics to the transmitter exclusive of those associated with HART and DE protocols HART and DE dia...

Страница 14: ...l Data Corrupt Factory calibration data is corrupted Characterization Calibration data is corrupted or missing Replace device if error persists upon power cycle Config Data corrupt NVM data corrupted Action Power cycle the device If the problem persists replace the electronics module Table 4 STT700 Standard Non Critical Diagnostics Messages Non Critical Diagnostics Warning Conditions Description D...

Страница 15: ... open short There is a problem with the Input 2 sensor Verify sensor connections and configuration Analog Output Saturated This status is set when loop current is set to out of 4 20 mA generally when PV is out of range Calculated analog output is either above or below the specified loop current limits The transmitter input is not in specified range Check the transmitter input Excess Delta Detect S...

Страница 16: ... under range or over range Watchdog reset Watchdog has reset it may be due to FW failure or HW failure Controller Watchdog has reset Supply Voltage Fault MCU or DAC reference voltages are beyond limits This is set when one of the supply voltages DAC loop MCU in the device is outside its specification limits Check the transmitter supply voltage SIL Diagnostics RAM NVM database corrupt Advance diagn...

Страница 17: ...me parameters that you may want to include in your site evaluation are Environmental Conditions o Ambient temperature o Relative humidity Potential Noise Sources o Radio frequency interference RFI o Electromagnetic interference EMI Vibration Sources o Pumps o Motorized system devices e g pumps o Valve cavitation Process Parameters o Temperature o Maximum sensor input ratings 3 2 Honeywell MC Toolk...

Страница 18: ...ons except that thermocouple wire is likely to be used with thermocouples Mechanical fixing of the module is by means of the snap in DIN rail clips which are screwed to the bottom lugs of the module Figure 5 DIN Rail Mounting The DIN rail needs to be connected to Earth Ground per Section 0 below It is generally required by regional wiring safety and installation codes that these units be mounted i...

Страница 19: ...atures near the transmitter ATTENTION THIS PRODUCT IS SUPPLIED WITH PLASTIC DUST PLUGS IN THE CONDUIT CABLE GLAND ENTRIES IT IS THE USER S RESPONSIBILITY TO PROVIDE CABLE GLANDS ADAPTORS AND OR BLANKING PLUGS SUITABLE FOR THE ENVIRONMENT IN WHICH THIS PRODUCT IS INSTALLED WHEN INSTALLED IN A HAZARDOUS LOCATION THE CABLE GLANDS ADAPTORS AND OR BLANKING PLUGS SHALL ADDITIONALLY BE SUITABLE FOR THE H...

Страница 20: ...sing without Meter Field Mount Housing with and without Meter Figure 7 Pipe Mounting Dimensions Table 5 Dimension table for use with Figure 6 and Figure 7 Dimensions Aluminum field mount housing A B Without integral meter 70 mm 2 76 inch 120 8 mm 4 76 inch With integral meter 127 mm 5 00 inch 210 8 mm 8 30 inch ...

Страница 21: ... Manual Page 13 3 3 3 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 reverse order ...

Страница 22: ... Housing Cover and O Ring 1 Review O ring condition replace if damaged New O ring can be ordered from spare parts list 2 Apply O ring lubricant to the end cap O ring Relax O ring twists if any 3 Assemble housing cover with sufficient torque for securing against IP ...

Страница 23: ...ing plate and snap in the retaining circlip to the screws to hold the assembly 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 ...

Страница 24: ... Overview The transmitter is designed to operate in a two wire power current loop with loop resistance and power supply voltage within the HART or DE operating range shown in Figure 9 and Figure 10 Figure 9 STT700 with HART Transmitter Operating Ranges Figure 10 STT700 with DE Transmitter Operating Ranges ...

Страница 25: ...mination screws will be included Figure 11 STT700 module terminal connections This transmitter uses the two mounting screws to connect it to Earth Ground Grounding the transmitter for proper operation is required as doing so tends to minimize the possible effects of noise on the output signal and affords protection against lightning and static discharge An optional lightning protection module is a...

Страница 26: ...in intrinsically safe applications Note Problems detected as non critical diagnostics may affect performance without driving the analog output to the programmed burnout level for HART only For DE the burnout direction needs to be selected in the hardware and this will be detected at power on time 3 4 2 Digital System Integration Information DE transmitters that are to be digitally integrated to Ho...

Страница 27: ...head mount housings the ground terminal may not exist and another means of direct ground connection will need to be devised For proper protection the green ground wire must be securely connected to a local ground in as direct a path as possible As noted above the loop power wiring shield should only be connected to Earth Ground at the power supply end The tightening torque to be applied on the wir...

Страница 28: ...t Wiring Diagram for single sensor connection The single sensor connections can also be used on a dual input transmitter when a second input is not required In this case it is recommended that the second input be configured to None in the software In case of RTD type being configured for 4 wire the configuration for single input is automatically done Figure 13 Wiring Diagram for HART Dual Sensor C...

Страница 29: ...ose generated by lightning strikes It mounts on the top of the STT700 transmitter module providing easy field wiring and also protection for the EU meter if used The compact mounting allows the use of a variety of housings including the Honeywell explosion proof field mount housing The device can be used in both intrinsic safety and flame explosion proof applications Figure 14 STT700 with Lightnin...

Страница 30: ... transmitter 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 16 Connect the 4 20mA loop to the and terminal screws of the surge pr...

Страница 31: ...y fail The unit has been designed so that under excessive surge conditions more than 10 KA the lightning protector should fail thus protecting the transmitter If the unit has failed it can be replaced in the field the process for removal in the reserve of that for installing the unit If a replacement is not immediately available part number 50133588 501 501 it is possible to bypass the unit by wir...

Страница 32: ...nder static process conditions and make adjustments as required initiating full operation with the running process 4 1 3 Output Check Procedures The Output Check comprises the following procedures The Loop Test procedure checks for continuity and the condition of components in the output current loop The Trim DAC Current procedure calibrates the output of the Digital to Analog converter for minimu...

Страница 33: ...ut Calibration box 4 In the Output Calibration box select the Loop Test button the LOOP TEST box will be displayed 5 Select the desired constant level Output 0 100 or Other any between 0 100 6 Select the Set button A box will be displayed asking Are you sure you want to place the transmitter in output mode With the transmitter in Analog mode you can observe the output on an externally connected me...

Страница 34: ...ut switch The SFC always acts as a master and the transmitter as a slave When the transmitter is operating in the digital DE mode there is no wake up pulse required and the SFC communication does not disturb the PV signal Consequently there is no need to put the loop on manual control when operating in the DE mode Supported Commands Read write ID e g TID 250 Select a sensor type e g Pt100 Enable d...

Страница 35: ...mmands Read write ID Select Dual Mode TC TC RTD RTD Select sensor type Select PV SV units Select damping time Set LRV and URV Read URL and LRL Read analog output Read Sensor1 and Sensor2 Read Output Read Process Value PV Read Cold Junction CJ Value Read fail safe direction Set 0 and 100 output calibration Force output current Enable disable latching XS Delta detection ON OFF Set Delta Alarm Read D...

Страница 36: ...g option status Reset Error Log Read PV tracking data Read SV tracking data Write high and low alarm limits for PV and SV Reset tracking data Read power up count Reset power up count value Read device model number Read Sensor1 and Sensor2 limits Read middle range value MRV Write middle range value MRV Read Loop Control option value Write Loop Control option value Read hysteresis Write hysteresis v...

Страница 37: ...m a similar signal is coming from the field and power is available on the two wires of the 4 20 mA loop This isolates the problem to either field loop or receiving instrument power supply wiring safety barriers etc If the original symptom was an unstable input it could be a loose connection on the receiving side Assuming the above confirms a field loop problem the likely causes and actions are giv...

Страница 38: ...robe type selection or after power up Check the appropriate sensor wiring and power cycle when it is correct Remember when changing configuration to first connect sensor wiring correctly then change configuration INVALID REQUEST when changing LRV or URV INVALID REQUEST If the LRV is changed the URV tries to change by the same amount to maintain the same SPAN If this new URV exceeds the URL then th...

Страница 39: ...r and if problem persists replace the transmitter DAC Failure A critical failure has been detected on the HART Electronics Use a HART device communicator to read the detailed status information from the transmitter Refer to the appropriate manual for more details about the possible failure causes Power cycle the transmitter and if problem persists replace the transmitter Sensor Input Failure A cri...

Страница 40: ...g 1 2 NPT 46188452 502 Flame proof cast iron head mount housing M20 46188453 501 Flame proof cast iron head mount housing 1 2 NPT 46188453 502 FIELD MOUNT HOUSINGS All have NPT sensor and cable conduit entries Field mount housing Aluminum beige epoxy polyester hybrid painted 46188472 501 Field mount housing end cap Aluminum beige epoxy 30752006 501 Field mount housing meter cap Aluminum beige epox...

Страница 41: ...Revision 1 STT700 Temperature Transmitter User s Manual Page 33 ...

Страница 42: ...ount Housing 30671907 501 1 2 NPT to M20 x 1 5 conduit adaptor flameproof EEx d 46188203 501 46188203 501 1 2 NPT Male to 3 4 NPT Female conduit adaptor 51196567 501 51196567 501 Transient protector external to housing 30755970 501 Stainless steel wired on customer ID tag 500080380501 Lightning Protector 50133588 501 6 5 Wiring and Installation Drawings Spring loading and sensor assembly 51307912 ...

Страница 43: ...before calibration Moreover calibration must be accomplished in a controlled laboratory type environment using certified precision equipment 7 2 Calibration Procedures For a transmitter operating in analog mode you must calibrate its output signal measurement range using any compatible hand held communicator One calibration option is to use the Honeywell MC Toolkit MCT Refer to the MC Toolkit User...

Страница 44: ...ion 1 Appendix A PRODUCT CERTIFICATIONS A1 Safety Instrumented Systems SIS Installations For Safety Certified Installations please refer to STT700 Safety Manual 34 TT 25 05 for installation procedure and system requirements A2 European Directive Information EU ...

Страница 45: ...Revision 1 STT700 Temperature Transmitter User s Manual Page 37 ...

Страница 46: ...Page 38 STT700 Temperature Transmitter User s Manual Revision 1 ...

Страница 47: ...Revision 1 STT700 Temperature Transmitter User s Manual Page 39 ...

Страница 48: ...Page 40 STT700 Temperature Transmitter User s Manual Revision 1 ...

Страница 49: ...ion 1 STT700 Temperature Transmitter User s Manual Page 41 A3 China RoHS China RoHS compliance information is located here Pending https www honeywellprocess com library support Public Documents 50136434 pdf ...

Страница 50: ...C to 85 o C Intrinsically Safe Certificate 17US0112X Class I II III Division 1 Groups A B C D E F G T6 T4 Class I Zone 0 AEx ia IIC T6 T4 Ga Class I Zone 2 AEx ic IIC T6 T4 Gc Note 2 T6 40 o C to 40 o C T5 40 o C to 55 o C T4 40 o C to 70 o C Non Incendive and Zone 2 Intrinsically Safe Certificate 17US0112X Class I Division 2 Groups A B C D T6 T4 Class I Zone 2 AEx ic IIC T6 T4 Gc Note 1 T6 40 o C...

Страница 51: ...ertificate 70113941 Class I Division 1 Groups A B C D T6 T5 Ex db IIC T6 T5 Gb Class 1 Zone 1 AEx db IIC T6 T5 Gb Dust Ignition Proof Class II III Division 1 Groups E F G T6 T5 Ex tb IIIC T 95o C Db Zone 21 AEx tb IIIC T 95o C Db Note 1 T6 40 o C to 65 o C T95o C T5 40 o C to 85 o C Intrinsically Safe Certificate 70113941 Class I II III Division 1 Groups A B C D E F G T6 T4 Class I Zone 0 AEx ia I...

Страница 52: ...o C to 40 o C T5 40 o C to 55 o C T4 40 o C to 70 o C Non Sparking and Zone 2 Intrinsically Safe Certificate SIRA 17ATE4161X II 3 G Ex ec IIC T6 T4 Gc II 3 G Ex ic IIC T6 T4 Gc Note 1 T6 40 o C to 40 o C T5 40 o C to 55 o C T4 40 o C to 70 o C Enclosure IP20 A2 No EU Meter ATEX Flameproof Certificate SIRA 17ATE2162X II 2 G Ex db IIC T6 T5 Gb II 2 D Ex tb IIIC T 95o C Db Note 1 T6 40 o C to 65 o C ...

Страница 53: ...x tb IIIC T 95o C Db Note 1 T6 40 o C to 65 o C T95o C T5 40 o C to 85 o C Intrinsically Safe Certificate SIR 17 0035X Ex ia IIC T6 T4 Ga Note 2 T6 40 o C to 40 o C T5 40 o C to 55 o C T4 40 o C to 70 o C Certificate SIR 17 0035X Ex ic IIC T6 T4 Gc Note 2 T6 40 o C to 40 o C T5 40 o C to 55 o C T4 40 o C to 85 o C Enclosure IP66 IP67 E2 W EU Meter IECEx Flameproof Certificate SIR 17 0035X Ex db II...

Страница 54: ...d in 2002 in the 23rd week Apparatus Marked with Multiple Types of Protection The user must determine the type of protection required for installation the equipment The user shall then check the box adjacent to the type of protection used on the equipment certification nameplate Once a type of protection has been checked on the nameplate the equipment shall not then be reinstalled using any of the...

Страница 55: ...mate application Transmitter in Enclosure Selections Consult the manufacturer for dimensional information on the flameproof joints for repair Painted surface of the STT700 may store electrostatic charge and become a source of ignition in applications with a low relative humidity less than approximately30 relative humidity where the painted surface is relatively free of surface contamination such a...

Страница 56: ...Page 48 STT700 Temperature Transmitter User s Manual Revision 1 A 6 Control Drawing ...

Страница 57: ...Revision 1 STT700 Temperature Transmitter User s Manual Page 49 ...

Страница 58: ...Page 50 STT700 Temperature Transmitter User s Manual Revision 1 ...

Страница 59: ...Revision 1 STT700 Temperature Transmitter User s Manual Page 51 ...

Страница 60: ...eld Device Manager FTA Field Termination Assembly HART Highway Addressable Remote Transducer HCF HART Communication Foundation Hz Hertz LRL Lower Range Limit LRV Lower Range Value mAdc Milliamperes Direct Current MCT MC Toolkit mV Millivolts Nm Newton meters NPT National Pipe Thread NVM Non Volatile Memory PM Process Manager PV Process Variable PWA Printed Wiring Assembly RFI Radio Frequency Inter...

Страница 61: ...mocouple URL Upper Range Limit URV Upper Range Value US Universal Station Vac Volts Alternating Current Vdc Volts Direct Current WAO WRITE AS ONE grouping of parameters for editing for example you can edit PV URV and PV LRV in one shot if URV LRV is provided under wao list ...

Страница 62: ...ation Site Evaluation 9 Introduction 1 M Maintenance 29 Preventive Maintenance Practices and Schedules 29 Replacing the Communication Module 29 Mounting STT850 Temperature Transmitters 10 Mounting Dimentsions 10 Summary 10 N Name Plate 3 O Operation 26 P Patent Notice iv R References iv Release Information iii S Safety Safety Integrity Level 5 Safety Certification 4 Startup 24 Constant Current Sou...

Страница 63: ... 36 39 36 Toll Free Fax 1300 36 04 70 China PRC Shanghai Honeywell China Inc Phone 86 21 5257 4568 Fax 86 21 6237 2826 Singapore Honeywell Pte Ltd Phone 65 6580 3278 Fax 65 6445 3033 South Korea Honeywell Korea Co Ltd Phone 822 799 6114 Fax 822 792 9015 EMEA Honeywell Process Solutions Phone 80012026455 or 44 0 1344 656000 Email Sales FP Sales Apps Honeywell com or TAC hfs tac support honeywell co...

Страница 64: ... Account Manager Process Solutions Honeywell 1250 W Sam Houston Pkwy S Houston TX 77042 Honeywell Control Systems Ltd Honeywell House Skimped Hill Lane Bracknell England RG12 1EB 34 TT 25 17 Rev 1 July 2017 2017 Honeywell International Inc Shanghai City Centre 100 Jungi Road Shanghai China 20061 www honeywellprocess com ...

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