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1. esee nnns 47 A 4 INSTALLATION nennen nennen nennen nennen nennen 48 5 WIRING REFERENGE terret metier tienen 49 A 6 FM CONTROL DRAWING 46188466 201 50 A 7 CSA CONTROL DRAWING 46188466 202 58 FIGURES AND TABLES Figure 1 Operating Areas uuessesnesnennesnensesnensennnennnennennnnensennnnne nennen 2 Figure 2 Bench Check Wiring Connections eee 11 Figure 3 Output Sensor Wiring Connections STT25 M STT25D STT25H and STT25S models essere 12 Figure 4 Input Sensors Wiring Connections STT25T Model 13 Figure 5 Flow Chart for analog and DE Configuration 16 Figure 6 Flow Chart for STT25 H 19 Figure 7 Flow chart for STT25T Configuration eee 21 Figure 8 DIN Rail Mounting eese enne 27 Figure 9 Wall Mounting Dimensions eene 28 Figure 10 Pipe Mounting Dimensions esee 28 Figure 11 Spring Loading and Sensor Assembly 29 Figure 12 Aluminium Direct Head Mount Housing Dimensions 30 Figure 13 Cast Iron Direct Head Mount Housing Dimensions 30 Figure 14 Meters Connections oouosssn ans an 41 Figure 15 Hori
2. 100 22 22 BLUE YEL RED Smart Temperature Transmitter STT250 Operator Manual 63 ASSEMBLIES WITH SURGE PROTECTOR 46188660 XXX OPTIONAL EU METER DIGITAL DE OUTPUT CONNECTION 64 Smart Temperature Transmitter STT250 Operator Manual ASSEMBLIES WITHOUT SURGE PROTECTOR OPTIONAL EU METER DIGITAL DE OUTPUT CONNECTION Smart Temperature Transmitter STT250 Operator Manual 65 66 Smart Temperature Transmitter STT250 Operator Manual Honeywell EN11 6190 A1 STT 3000 Series STT250 Smart 09 07 Temperature Transmitter Addendum Models STT25H STT25S STT25D to Operator Manual STT25M STT25T EN11 6190 Overview ATEX Directive 94 9 EC The ATEX Directive 94 9 EC is a European CE Mark directive concerning products that are designed for use in potentially explosive environments This New Approach directive is based on and is an expansion of European Norms EN CENELEC standards On June 30 2003 the ATEX ATmospheres EXplosibles directive will replace directives currently in effect and from that time only products with the ATEX certification and with ATEX labeling will be approved for free movement in the EU European Union and EFTA European Free Trade Association countries As defined in the directive free movement refers to placing a product on the market and or placing a
3. STT25T Dual Input and 4 20 mA HART icp i Models STT25M 4 20 mA STT25H 4 20 LCIE 06 ATEX 6067x EXdIIC T6orT5 Module mounted I mA HARTS 577255 4 20 mA HART6 STT25D 4 20 Esi drenclosure Only MA DE and STT25T Dual Input and 4 20 mA HART T95 c 11 6190 Addendum to EN11 6190 8 of 10 9 07 Honeywell Manufacturing Honeywell Automation India Ltd Locations 56 amp 57 Hadapsar Industrial Estate Pune 411013 India The authorized signatory to this declaration on behalf of the manufacturer and the Responsible Person is identified below Honeywell Automation India Ltd 56 amp 57 Hadapsar Industrial Estate Bhavesh Varia Pune 411013 India Product Safety amp Approvals Engineering Issue Date 11 September 2007 EN11 6190 A3 Addendum to 11 6190 9 of 10 Honeywell HON 06 ATEX 51453719 Revision A Certificate of Manufacturer Ex Exnauc ATEX This certificate applies to the following eguipment STT 3000 Series STT250 Smart Temperature Transmitter Models STT25M STT25H STT25S STT25D STT25T Module This eguipment has no arcing or sparking parts and no ignition capable hot surfaces and therefore conforms to Clause 6 3 1 3 of VDE 0165 2 91 and EN60079 14 for operation in Zone 2 hazardous areas providing that the following conditions are observed The eguipment contains no intrinsically safe or energy limiting components The Model STT25 is a 2 wire device that r
4. 3 Saar Ture 4 Delta Alarm Delta You can see that Mode selected is RTD TC with Thermocouple type T the RTD will always be PT100D 6 Setting the Match PVs option ON STTZSTE KAAAAANAA Sensors Td Delta Hlarm 15 Delta 4 6 Line filter 5 OMPSNSa 1 of HELP ERVE In the same menu Sensors press AN Ls aa 19 EHE and to select Match PVs and press gt 7 On the first line you can read the current Match PVs option status Default status OFF STTZST atch Pus Press and 4 to select ON and press ENTER 8 WARNING The option Match PVs will really be active after you have pressed SEND button STT25T Sensors 4 Delta Alarm 5 Delta amp Line filter omPensation PSEND HOME 9 In the menu Sensors you can check that delta value is now equal to zero PVs values have been matched STTZST Sensors ensor 4 Delta ATSA 5 Delta Line filter 2 EN 15 88 56Hz Smart Temperature Transmitter STT250 Operator Manual 23 EXAMPLE 2 How to configure the transmitter in TC TC sensor cross checking mode with a delta alarm value set and linked to an alarm level on the loop 1 Press gt or press 1 to select Device 2 Press V three times and then gt or Setup menu press 4 to enter Detailed Setup menu STT2ZST RARI
5. Temperature Transmitter Addendum Models STT25H STT25S STT25D to Operator Manual STT25M STT25T EN11 6190 Overview ATEX Directive 94 9 EC The ATEX Directive 94 9 EC is a European CE Mark directive concerning products that are designed for use in potentially explosive environments This New Approach directive is based on and is an expansion of European Norms EN CENELEC standards On June 30 2003 the ATEX ATmospheres EXplosibles directive will replace directives currently in effect and from that time only products with the ATEX certification and with ATEX labeling will be approved for free movement in the EU European Union and EFTA European Free Trade Association countries As defined in the directive free movement refers to placing a product on the market and or placing a product into service The ATEX Directive 94 9 EC is a living set of document s subject to further change and refinement whose details are beyond the scope of this addendum Further information can be obtained in the Official Journal of the European Communities No L100 1 and in related publications such as Guidelines on the Application of Directive 94 9 EC Both of these items are available at http europa eu int comm enterprise atex index htm Products that have been previously certified under the EN and CENELEC European Norms and which comply fully with all standards in the New Approach directive have by applicatio
6. Y Honeywell STT 3000 SMART TEMPERATURE 9 MODEL TRANSMITTER CUST ID O MFG DATE NR 2 Ex nA T6 Ta 50 C 85 C Ex ll 3 G ZONE 2 SUPPLY lt 30V 23mA ENCLOSURE IP 66 67 INSTALL PER 11 6190 978906007 ISS ASSEMBLED IN USA FROM US AND IMPORTED PARTS PHOENIX AZ 85053 usa 4 of 10 EN11 6190 A1 Addendum to EN11 6190 9 07 Nameplate 50003893 001 4 20 mA DE HART multiple certification nameplate The following is a representation of this nameplate 9 07 Honeywell STT 3000 SMART TEMPERATURE TRANSMITTER MODEL CUST ID MFG DATE 1 LCIE 02 ATEX 6134 X Ex ia IIC Ui 30 V li 165 mA Pi 1 2 T4 85 C T5 Ta 55 C T6 Ta 40 C Mn Nu a K LCIE 02 ATEX 6135 X Ex d IIC 5 Ta 85 C 76 80C 0344 2 Ge SUPPLY 11 42 VDC 3 G Ex nA IIC T5 Ta 85 T6 Ta 80 C ZONE 2 SUPPLY lt 30 VDC 23 mA AMBIENT LIMITS 40 TO 85 C WARNING DO NOT OPEN WHEN ENERGIZED ENCLOSURE IP 66 67 INSTALL PER 11 6190 50003893 001 155 ASSEMBLED IN USA FROM US AND IMPORTED PARTS PHOENIX AZ 85027 USA Identification of Entries Cap M105x2 Cable entry 1 2 NPT Z and M20x1 5 Adaptor 1 2 NPT to M20x1 5 and 1 2 NPT to 3 4 NPT EN11 6190 A1 Addendum to EN11 6190 5 of 10 Specific Parameters for Intrinsic Safety Special conditions for safe use Intrinsic Safety X Specif
7. A21 T80 C Ta 80 C T95 C Ta 85 C SUPPLY 11 42 VDC Ex 3 Ex nA IIC T5 Ta 85 C T6 Ta 80 C A ZONE 2 SUPPLY lt 30 VDC 23 mA AMBIENT LIMITS 40 TO 85 C WARNING DO NOT OPEN WHEN ENERGIZED ENCLOSURE IP 66 67 INSTALL PER EN1 1 6190 x 50019643 001 ISS ASSEMBLED IN INDIA PUNE 411013 INDIA gt Identification of Entries Cap M105x2 Cable entry 1 2 NPT Z and M20x1 5 Adaptor 1 2 NPT to M20x1 5 and 1 2 NPT to 3 4 NPT 9 07 EN11 6190 A3 Addendum to 11 6190 5 of 10 Specific Parameters for Intrinsic Safety Special conditions for safe use Intrinsic Safety X Specific Parameters for Flameproof Installation 9 07 Honeywell Field wiring terminals Uis30V li lt 165 mA Pis1 2W Without local analog meter S 17 Li s 45 uH With local analog meter ME lt 17 nF Li lt 195 uH With local smart digital meter SM Ci 17 nF Li lt 45 uH With local EU meter EU lt 17 nF Li lt 45 uH Sensor entry terminals 1 2 3 amp 4 Uos10 5V los40mA Co lt 2 08 uF Lo lt 20mH The Smart Temperature Transmitter is an intrinsically safe apparatus that can be installed in potentially explosive atmospheres The supply terminals must be connected only to a certified associated intrinsically safe apparatus The sensor entry terminals 1 2 3 and 4 must be connected only to certified intrinsically safe equipment or according to parag
8. DE is mounted on the module The following is a representation of this label STT 3000 SMART TEMP TRANSMITTER SUPPLY 11 35 VDC OUTPUT 4 20mA P ee pss E is 5 Ta 50 C TO 455 C T4 Ta 50 C TO 85 c LIMITS 40 C TO 050 Ul 30 I 165 mA 1 2W UT INSTALL PER EN1 6190 SN TAG CAL 50019638 001 ISS B ASSEMBLED IN INDIA PUNE 411013 INDIA 0344 gt OO Honeywell I Ex nA IIC T6 Ta 50 C TO 85 C 130 Nr STT 3000 SMART TEMP TRANSMITTER ZONE 2 SUPPLY 30V 23mA SUPPLY 11 35 VDC OUTPUT 4 20 mA AMBIENT LIMITS 40 C TO 85 C INSTALL PER 1 6190 MODEL IN AN ENCLOSURE RATED 54 MINIMUM SN TAG CAL C 50019639 001 155 ASSEMBLED IN INDIA PUNE 411013 INDIA So M Ma ee ee Mr tyr RR ee e Re Ogg T 9 07 EN11 6190 A3 Addendum to 11 6190 3 of 10 Honeywell Nameplate 50019640 001 ia 4 20 mA DE HART nameplate The following is a representation of this nameplate Honeywell STT 3000 SMART TEMPERATURE TRANSMITTER MODEL CUST D N MFG DATE LCIE 06 ATEX 6066 X Ex IIC AMBIENT LIMITS 50 C 85 C T6 Ta 50 C TO 40 T5 50 C TO 55 Ex 110 T4 Ta 50 C 85 C UIS30V 15165 mA Pi lt 1 2W 0344 ENCLOSURE IP 66 67 INSTALL PER 116190 K 50019640 001 ISS B ASSEMBLED IN INDIA 411013 INDIA A Nameplate
9. E PROTECT e BEE UNITS D LRV E LRL Not available on STT25D URV E READ CJ G OUTPUT J INPUT CORRECT RESET PREV H HIS M 8 9 120101 Q A lt gt DE 4 R 2 S 6 T STAT F SDIR 1 3 x SWVER SPAN Y URL 0 z gt SCRPAD CLR NO ENTER YES NON VOL Figure 5 Flow Chart for analog and DE Configuration Smart Temperature Transmitter STT250 Operator Manual 4 5 2 DE Digital Output Configuration The STT25D transmitter can operate in either an analog or a digital DE communications mode You can use the Smart Field Communicator SFC to set transmitter operation mode as analog or digital DE communications Note that STT25D transmitters are factory set for analog communications operation This addendum outlines additional steps for the Configuration Flow Chart in Figure 5 1 of this Operator Manual to configure parameters for DE communications mode and change transmitter operation from analog to digital DE communications The DE configuration parameters are Type of transmitter operation Message format Failsafe mode for the digital control system Use the following flow chart to supplement in Figure 5 to configure the DE mode parameters and to set your STT25D for DE communications operation ADDITIONAL NOTE 1 Notallfailsafe mode selections apply for given type
10. OK 5 If you come back in the Sensors menu you can check that changes are effective STT2STIKAAAANAA Sensors ode 3 Sensor Tyre TC K 4 Delta Alarm en Delta We check that Mode selected is TC TC with Thermocouple type K 6 How to set the Delta Alarm value STTZST RAGS Ae Sensors 4 Ea 1 Mode Selection Mode TC TC 3 Sensor Tyre TC K Ee EMS In the same menu Sensors press y and to select Delta Alarm and press gt here you can read the current value 15 7 On the first line you can read the current Delta value on the second line you can enter your value for example 5 and press ENTER STT25T Delta Alarm WARNING Delta Alarm s unit is the same as PVs unit If you have selected Celsius degrees 5 means 5 C but if you have selected Fahrenheit degrees 5 means 5 F Smart Temperature Transmitter STT250 Operator Manual 25 8 9 You are now going to configure the STT2S5T HERR o status associated to the XS delta Sensors e detection by default the status is a 1 Mode Selection non critical status which means that Mode TE TC the user will be informed through the 5 Sensor Tare TC HHC or Cornerstone software but the elta 2 output will not be driven to the alarm HURME level In order to have a critical status which means that the pr
11. Secondary Check Sensor RTD1 Primary Sensor RTD2 Secondary Check Sensor RTD1 Primary Sensor RTD2 Secondary Back up Sensor Figure 4 Input Sensors Wiring Connections STT25T Model 4 4 Grounding and Shielding Techniques The current output signal will operate in either a floating or grounded system If the signal appears noisy or erratic it is recommended to ground the loop at the negative terminal of the power supply Shielding should only be connected to ground at one point to avoid ground loops 4 5 STT250 Configuration NOTE If the transmitter is Model STT25D and configured for digital DE output the DVM will not display the output during the bench check The output can be changed to 4 20 mA analog for calibration checks Remember to change the mode back to digital DE at the completion of the check Smart Temperature Transmitter STT250 Operator Manual 13 4 5 1 Analog Output Configuration based on STS103 for STT25M and STT25D Models 1 Turn on the power supply and the SFC On power up the SFC will display Self Check for a few seconds verify proper operation and display put loop in manual 2 Press ID button The transmitter will respond with a display of its name typically STT TagNo XXXXXXXX STT cannot be changed since it identifies the type of transmitter The current name XXXXXXXX has a cursor under the first letter showing that it can be changed to an 8 character alpha num
12. Service 3 Basic setur evien 3 Press or press 1 to enter Sensors menu STT25T NXNRENEN Detailed setur H ignal condition 3 Outrut condition 4 Device information larm 5HUE 4 Press gt or press 1 to enter Mode selection method STT2ST ARS ASS Sensors ode 3 Sensor Tyre 4 Delta Alarm Delta EZ Then the following screens will appear STT2ST Pressing OK will change device output Put loor in manual STTZST KARARARR Select Dual Mode ETC TCTC RID RTD Press OK TEKAAAAANA t Sensor Ture On the first line you can read the current sensor here Thermocouple type J Press and 4 to select the desired thermocouple type for example Thermocouple type T and press ENTER On the first line you can read the current mode here TC TC Press N and qj to select RTD TC and press ENTER STTZST BUS JEST U un Kelvin On the first line you can read the current PV unit here Celsius degrees Press N and to select the desired unit for example Celsius degrees and press ENTER 22 Smart Temperature Transmitter STT250 Operator Manual STT25T i SABABARA WARNIHS _ Return control loor to automatic control zio BIDUO GNI Press OK 5 If you come back in the Sensors menu you can check that changes are effective STT25STKAAAAANAN Sensors
13. amp Control Frederick M Kent 1100 Virginia Drive Standards amp Approvals Engineer Fort Washington PA 19034 USA ATEX Authorized Person Issue Date 11 Sept 2007 9 07 EN11 6190 A1 Addendum to EN11 6190 9 of 10 Honeywell 51452734 Revision C Certificate of Manufacturer Ex Exnauc ATEX This certificate applies to the following eguipment STT 3000 Series STT250 Smart Temperature Transmitter Models STT25M STT25H STT25S STT25D STT25T Module This eguipment has no arcing or sparking parts and no ignition capable hot surfaces and therefore conforms to Clause 6 3 1 3 of VDE 0165 2 91 and EN60079 14 for operation in Zone 2 hazardous areas providing that the following conditions are observed The eguipment contains no intrinsically safe or energy limiting components The Model STT25 is a 2 wire device that receives its power and signal carrier from the same 4 20 mA signal current Model STT25 supports thermocouple and 2 3 and 4 wire RTD sensor inputs Model STT25T supports dual thermocouple inputs In normal operation the maximum current is 23 mA Conditions for the application of the above equipment in Zone 2 hazardous areas 1 This equipment is in compliance with the ESHR s of the ATEX Directive 94 9 EC EN50021 plus a review against EN60079 15 2003 which showed that there were no changes which materially affected the state of technological progress with respect to this product 2 Before co
14. least 40 mA v a Smart Field Communicator SFC with STT25M or STT25D or HART Communicator model 375 with STT25H STT25S or STT25T Y connection wiring and 250 ohms resistor Y Digital Voltmeter DVM with range covering 0 5 Vdc If a high speed sampling DVM is used a 1 Hz 160 msec averaging filter is recommended NOTE If you are going to check calibration using a thermocouple input ensure that the cold junction temperature is stabilized After connecting and powering up all eguipment including the transmitter protect the transmitter from air drafts and allow at least 1 hour before taking readings 4 3 Installation Connect the eguipment as in Figures 2 and 3 For more detailed wiring drawings refer to drawings listed in Section 5 4 ATTENTION Do not connect power supply to sensor wiring terminals communicator 250 ohms 2 2 24 Vdc Power supply Figure 2 Bench Check Wiring Connections Smart Temperature Transmitter STT250 Operator Manual 11 White White Red Red 2 wires RTD 3 wires RTD 4 wires RTD or 2 wires ohm or 3 wiresohm or4wires ohm 2 wires 3 wires 4 wires Potentiometer wiring 46188466 201 Figure 3 Output Sensor Wiring Connections STT25 M STT25D STT25H and STT25S models 12 Smart Temperature Transmitter STT250 Operator Manual TC1 Primary Sensor TC2
15. of transmitter operation 2 SETLRV and SET URV commands are not available on STT25D 3 CONFIG NAMUR command is not available on STT25D MENU ITEM DE CONF Emer Type of transmitter operation single range dual range STDC single range W SV Message format W O DB 4 bytes W DB 6 bytes Failsafe mode B O Lo B O Hi LKG FSO lt 9 A lt gt DE Change to DE Are you Enter Enter sure Figure 5 1 Specific Flow Chart for DE Configuration 1 These parameters are only required for older applications with ST DC interface cards They are not used in STI STIM or STI MV interface card installations except for selection of with without Secondary Variable SV 2 You cannot change to DE with a STT25M If you attempt to do so an INVALID REQUEST message will appear Smart Temperature Transmitter STT250 Operator Manual 17 Operating card 34 ST 11 16 included with the STS103 covers the smart transmitter functions included in the STT250 e g damping calibration output mode etc Since the SFC is a universal configuration tool for a wide range of Honeywell transmitters some proposed menu items are not possible with the STT250 as listed in Section 3 2 3 In this case the download will result in an invalid request response Additional configuration notes 1 This series mode filter should match the local AC supply freguency It is set to 60 Hz for United States and to 50 Hz for other cou
16. polyester hybrid painted Field mount housing base Aluminium beige epoxy painted Field mount housing end cap Aluminium beige epoxy painted Field mount housing meter cap Aluminium beige epoxy painted Reference Order from the Model Selection Guide to include options as required 30757178 501 30756997 501 46188056 502 46188432 501 46188452 501 46188452 502 46188453 501 46188453 502 46188472 501 30752006 501 30755956 501 46188472 502 46188471 501 46188471 502 Smart Temperature Transmitter STT250 Operator Manual 39 MISCELLANEOUS PARTS Adaptor plate to install module in field mount housing Accessories kit DIN rail clip terminal screws fail safe link spring loading mounting set Spring loading mounting set DIN rail mounting clip top hat Q or G rail Carbon steel mounting bracket for 2 pipe for use with field mount housing Stainless steel mounting bracket for 2 pipe for use with field mount Housing 1 2 NPT to M20 x 1 5 conduit adaptor flameproof EEx d 1 2 NPT to 3 4 NPT conduit adaptor Transient protector external to housing Stainless steel wired on customer ID tag Surge Protector LITERATURE SFC operating card English operator manual French operator manual Spanish operator manual 46188423 501 46188465 501 46188416 501 46188431 501 30755905 001 30671907 001 46188203 501 46188203 001 51196567 501 51196567 001 30755970 501 46188051 001 46188
17. product into service The ATEX Directive 94 9 EC is a living set of document s subject to further change and refinement whose details are beyond the scope of this addendum Further information can be obtained in the Official Journal of the European Communities No L100 1 and in related publications such as Guidelines on the Application of Directive 94 9 EC Both of these items are available at http europa eu int comm enterprise atex index htm Products that have been previously certified under the EN and CENELEC European Norms and which comply fully with all standards in the New Approach directive have by application received certification under ATEX Directive 94 9 EC The Honeywell STT 3000 Series STT250 Smart Temperature Transmitter is now ATEX certified and all units manufactured currently and in the future will include labeling that includes all markings reguired under the ATEX directive Inclusions To ensure that all reguired information will be available to the user the following items are included with this Addendum for reference 1 Declaration of Conformity ATEX CE0344 Honeywell document number 51452733 Revision C 2 Certificate of Manufacturer II 3 G Ex nA ATEX CE Honeywell document number 51452734 Revision C 9 07 EN11 6190 A1 Addendum to EN11 6190 1 of 10 Purpose and This Addendum includes information reguired under the ATEX Directive regarding Content of this NT Addendum 1 The appearance and m
18. 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 The transient protector is designed for conduit type wiring installations where an additional terminal box can be added to connect output wiring In non conduit installations it is recommended that a suitable terminal box is also used Refer to Figure A 1 for typical wiring connections Table A 2 Transient Protector Installation Unscrew housing cap 1 1 2 Apply pipe joint tape or compound suitable for operating environment to threads on transient protector Leave first two threads clean 3 Hold transient protector so end with three wires points toward the right hand conduit connection in transmitter s housing 4 Feed three wires through conduit connection and screw protector into connection Connect green wire to ground terminal inside housing Connect the housing to a suitable earth ground using a 46 Nickel clad copper wire 10 Observing polarity connect field wiring to two wires on other end of transient protector Red wire is positive and black wire is negative Connect red wire to positive terminal of STT250 transmitter 48 Smart Temperature Transmitter STT250 Operator Manual A 5 Wiring Reference Figure A 1 shows a typical wiring scheme of a transient protector to the STT 3000 Series STT250 GREEN Ground RED BLACK Lightning Protection Gro
19. 2 STTZST KXARRRRA Online d Device zetur Ea 1 Process Variables 4 eg 2 Dia9 Service 3 PUZ 25 697 degC 3 Basic setup 5 Pelta i Sai NUS UE LSRUE HOME 3 Press gt or press 1 to enter Sensors 4 Press gt or press 1 to enter Mode menu Selection method STT2S9T NARANARA STT25STAAKAAMAMA o Detailed setur EH Sensors 19n31 condition Made 2 Dutrut condition 3 Sensor Tyre J i information 4 peres Hen 18 08 L HOME H SRUE Then the following screens will appear a b N PAPAS STTZST EMARMAMAM WARHNING Select Dual Mode Pressing OK will ETD TC change Hauses een Fut loor in manual n RTDA TC HEURIJ Gk Press OK On the first line you can read the current mode here RTD TC Press y and to select TC TC and press ENTER 24 Smart Temperature Transmitter STT250 Operator Manual STIT25T RRRRRKKR Select Sensor Tyre TC J TC J TC E Her ENTER On the first line you can read the current sensor here Thermocouple type J Press 4 and A to select the desired thermocouple type for example Thermocouple type K and press ENTER ST AITE AAAAANANAN FU unit On the first line you can read the current PV unit here celsius degrees Press y and to select the desired unit for example Celsius degrees and press ENTER e STT25T i WARNIMS Return control loor to automatic control JK Press
20. 250 N Smart Temperature Transmitter HONEYWELL COMFADEATIAL TRADE SECRET IM TAE EVENT OF MATERIAL ENGR CSA Pd Piu tithe m eu intrinsically Safe Control Drawing n CN miese Vor C7 101100 num WO Nae ure tary TON 4 46188466 202 LET ANGULAR DIMENSION scale NONE 9 8 set or 2 58 Smart Temperature Transmitter STT250 Operator Manual 2 wires RTD or 2 wires ohm or 2 wires 3 wires RTD 3 wires ohm DUAL SENSORS 2 x T C DUAL SENSORS T C and RT D Input sensor wiring connections RTD 4 wires RTD or 4 wires ohm DUAL SENSORS 2x RTD Note 9 amp II Smart Temperature Transmitter STT250 Operator Manual 59 ASSEMBLIES WITH SURGE PROTECTOR 46188660 XXX WITHOUT METER SHUNT 60 Smart Temperature Transmitter STT250 Operator Manual OPTIONAL INTEGRAL ANALOG METER 4 20 mA LOOP CONNECTION Li 195 uH L DIODE OPTIONAL SMART METER DIGITAL DE OUTPUT CONNECTION Li 45 uH Smart Temperature Transmitter STT250 Operator Manual 61 ASSEMBLIES WITHOUT SURGE PROTECTOR WITHOUT METER Li 0 OPTIONAL INTEGRAL ANALOG METER 4 20 mA LOOP CONNECTION Li 150 uH DIODE 62 Smart Temperature Transmitter STT250 Operator Manual OPTIONAL SMART METER DIGITAL DE OUTPUT CONNECTION SMART METER v
21. 50019641 001 d 4 20 mA DE HART nameplate The following is a representation of this nameplate y y neywe STT 3000 SMART TEMPERATURE Ho y TRANSMITTER MODEL CUST ID MFG DATE e LCIE 06 ATEX 6067 X Ex d IIC T5 Ta 50 C TO 85 C T6 50 TO 80 C SUPPLY Ucc lt 35V Ex tD A21 T80 C Ta 50 C to 80 C T95 C Ta 50 C to 85 C 12 GD WARNING Do NOT OPEN WHEN ENERGIZED C ENCLOSURE IP 66 67 INSTALL PER EN11 6190 0344 N 50019641 001 155 ASSEMBLED IN INDIA PUNE 411013 INDIA 3 1 Nameplate 50019642 001 d 4 20 mA DE HART nameplate The following is a representation of this nameplate noneyweli STT 3000 SMART TEMPERATURE TRANSMITTER MODEL CUST ID N MFG DATE N O Ex nA IIC 6 50 85 C Ex II 3 G ZONE 2 SUPPLY lt 30V 23mA ENCLOSURE IP 66 67 INSTALL PER EN11 6190 k 50019642 001 155 ASSEMBLED IN INDIA PUNE 411013 INDIA I 9 07 EN11 6190 A3 Addendum to EN11 6190 4 of 10 Honeywell Nameplate 50019643 001 4 20 mA DE HART multiple certification nameplate The following is a representation of this nameplate Honeywell STT 3000 SMART TEMPERATURE TRANSMITTER MODEL CUST ID MFG DATE 1 LCIE 06 ATEX 6066 X Ex ia IIC Ui 30 V li 165 mA Pi 1 2W AN T4 Ta 85 0 T5 Ta 55 C T6 Ta 40 C gt 3 7 0344 2 GD LCIE 06 ATEX 6067 X Ex d IIC 5 Ta 85 C T6 Ta 80 C Ex ID
22. 660 001 34 ST 11 16 EN11 6190 FR11 6190 SP11 6190 5 4 Wiring and Installation Drawings Numbers 522253 PR Amiens Phoenix Amiens Phoenix FM external wiring diagram CSA external wiring diagram Meter connections Spring loading and sensor assembly Pipe mounting dimensions Wall mounting dimensions Typical wiring of transient protector to STT250 transmitter DIN rail mounting Aluminium direct head mount housing Cast iron direct head mount housing 46188466 201 46188466 202 46188461 201 46188463 201 46188468 201 46188467 201 46188469 201 46188464 201 46188452 0XX 46188453 0XX 40 Smart Temperature Transmitter STT250 Operator Manual 6 INDICATION METERS 6 1 Introduction Integral meters are supplied already installed by the factory and provide a display of the transmitter output Table II selection _ M gives a 4 20 mA analog output on a moving coil display to 2 accuracy A diode fitted across the meter enables loop continuity in the event of a moving coil failure To ensure adeguate loop power availability in this event add 0 7 V power supply to the loop in addition to 10 8 V for the transmitter i e 11 5 V minimum supply Volts Table II selection _ S is the Smart Meter with LCD which accepts either the Digital DE or the 4 20 mA analog signal Regardless of signal type the Smart Meter displays a large bargraph accurate to 3 and visible from 10 meters away The 4 digit disp
23. ATEX Directive is in accordance with the following European standards EN 60079 0 2004 Electrical Apparatus for Potentially Explosive Atmospheres General Requirements EN 61241 0 2004 Electrical Apparatus for use in presence of combustible dust Part 0 General Requirements EN 60079 1 2004 Electrical Apparatus for Potentially Explosive Atmospheres Flameproof Enclosure d EN 61241 1 2004 Electrical Apparatus for use in presence of combustible dust Part 1 Protection by enclosures tD EN 60079 11 2007 Electrical Apparatus for Potentially Explosive Atmospheres Part11 lntrinsic Safety i EN 60079 26 2004 Special Reguirements for Construction Test and Marking of Electrical Apparatus of Eguipment Group II Category 1 G EN 61010 1 2001 Safety Requirements for Electrical Equipment for Measurement Control amp Laboratory Use Part1 General Requirements EN 61326 1997 A1 A2 Electrical Equipment for Measurement Control and Laboratory Use EMC Requirements Notified Type Examination Certificates Production Quality Assurance Notification Bodies CIE Groupe Bureau Veritas 0081 KEMA Quality B V 0344 33 Avenue du G n ral Leclerc Utrechtseweg 310 92260 Fontenay aux Roses France 6812 AR Arnhem The Netherlands Certificate Protection Configuration Description 1G odels STT25M 4 20 mA STT25H 4 20 LCIE 06 ATEX 6066X Module only ia mA HARTS STT25H 4 20 mA HART6 STT25D 4 20 x ia T6 to T4 A DE
24. F CONFORMITY Ex ATEX 0344 We declare under our sole responsibility that the following products STT 3000 Series STT250 Smart Temperature Transmitter Models STT25M STT25H STT25S STT25D STT25T to which this declaration relates are in conformity with the protection requirements of Council Directive 94 9 EC ATEX Directive on the approximation of the laws of the Member States concerning equipment and protective systems intended for use in potentially explosive atmospheres and 89 336 EEC EMC Directive as amended by 92 31 EEC 93 68 EEC and 2004 108 EC on the approximation of the laws of the Member States relating to Electromagnetic Compatibility The models covered by this Declaration and evidence of conformity with the ATEX Directive are listed below Conformity to the ATEX Directive is in accordance with the following European standards EN 60079 0 2004 Electrical Apparatus for Potentially Explosive Atmospheres General Reguirements EN 61241 0 2004 Electrical Apparatus for use in presence of combustible dust Part 0 General Reguirements EN 60079 1 2004 Electrical Apparatus for Potentially Explosive Atmospheres Flameproof Enclosure d EN 61241 1 2004 Electrical Apparatus for use in presence of combustible dust Part 1 Protection by enclosures tD EN 60079 11 2007 Electrical Apparatus for Potentially Explosive Atmospheres Part11 Intrinsic Safety i EN 60079 26 2004 Special Reguirements for Construction Test and Marking
25. Honeywell STT 3000 Series STT250 Smart Temperature Transmitter Models STT25D STT25M STT25H STT25S STT25T Operator Manual Issue 9 9 08 EN11 6190 HONEYWELL TABLE OF CONTENTS 1 OVERVIEW ae ae sn 1 TA INTRODUCTION a Rama 1 TECHNICAL 2 1 ENVIRONMENTAL CONDITIONS THEORY OF OPERATION 3 1 BASI OPERATION 2222 0 5 ia 300 ee ee Ba 3 2 CONFIGURATION 9 321 Smart Field Communicator SFC for STT25M and STT25D Models 322 HART Communicator Model 275 for STT25H Models 323 HART Communicator Model 275 for STT25T Models 324 HART Communicator Model 375 for STT25S Model 325 Smartline Configuration Toolkit SCT 326 STI25H Fimware DD Compatibility matrix 327 STI25S Firmware DD Compatibility matrix BENCH CHECK INSTALLATION COMMISSIONING eee 4 1 UNPACKING 4 2 EQUIPMENT 4 3 INSTALLATION 4 4 GROUNDING AND SHIELDING TECHNIQUES 4 5 STT250 CONFIGURATION cceeeeeeenenenen nennen nemen nnne nennen nennen nennen 451 Analog Output Configuration based on STS103 for STT25M and STT25D Models 14 452 DE Digital Output Configuration 453 HART Configuration STT25H and ST T25S Models 454 HART Configuration STT25T Model 4 6 MOUNTING eer 461 DIN Rail Mounting 462 Mounting Module in H
26. IMPORTED PARTS PHOENIX AZ 85053 USA 51452663 001 ISS B ASSEMBLED IN USA FROM US AND IMPORTED PARTS PHOENIX AZ 85053 USA 9 07 EN11 6190 A1 Addendum to EN11 6190 3 of 10 Nameplate 5452463 001 ia 4 20 mA DE HART nameplate The following is a representation of this nameplate N ne STT 3000 SMART TEMPERATURE Ho ywell TRANSMITTER MODEL CUST ID MFG DATE N N LCIE 02 ATEX 6134 X Ex ia IIC AMBIENT LIMITS 50 C TO 80 C T6 50 C TO 40 C 5 Ta 50 C TO 55 C Ex 110 T4 Ta 50 TO 4857 Ui lt 30V li lt 165 mA Pi lt 1 2W ENCLOSURE IP 66 67 INSTALL PER EN1I 6190 0344 _ 51452463 001 ISS ASSEMBLED IN USA FROM US AND IMPORTED PARTS PHOENIX AZ 85053 USA Nameplate 51452464 001 d 4 20 mA DE HART nameplate The following is a representation of this nameplate m STT 3000 SMART TEMPERATURE N Honeywell TRANSMITTER MODEL CUST ID MFG DATE LCIE 02 ATEX 6135 X Ex d IIC 5 Ta 50 C TO 85 C 22 T6 50 TO 80 C SUPPLY Ucc lt 35V Ex 2 GD amp DAL Ta0 OITa 50 C TO 80 C 195 C Ta 50 C TO c WARNING DO NOT OPEN WHEN ENERGIZED ENCLOSURE IP 66 67 INSTALL PER EN1I 6190 0344 KEN 155 ASSEMBLED IN USA FROM US AND IMPORTED PARTS PHOENIX AZ 85053 JNA Nameplate 51452662 001 d 4 20 mA DE HART nameplate The following is a representation of this nameplate
27. LIES WITH SURGE PROTECTOR 46188660 XXX WITHOUT METER SHUNT Li 195 uH DIODE OPTIONAL SMART METER DIGITAL DE OUTPUT CONNECTION SMART METER Li 45 uH Smart Temperature Transmitter STT250 Operator Manual 53 ASSEMBLIES WITHOUT SURGE PROTECTOR WITHOUT METER Lis 0 OPTIONAL INTEGRAL ANALOG METER 4 20 mA LOOP CONNECTION ANALOG METER DIODE 54 Smart Temperature Transmitter STT250 Operator Manual OPTIONAL SMART METER DIGITAL DE OUTPUT CONNECTION SMART METER Smart Temperature Transmitter STT250 Operator Manual 55 ASSEMBLIES WITH SURGE PROTECTOR 46188660 XXX OPTIONAL EU METER DIGITAL DE OUTPUT CONNECTION SMART METER Li 45 uH 56 Smart Temperature Transmitter STT250 Operator Manual ASSEMBLIES WITHOUT SURGE PROTECTOR OPTIONAL EU METER DIGITAL DE OUTPUT CONNECTION SMART METER VIE Li 0 DESIGNATION STT250 2 2 Smart Temperature Transmitter Factory Mutual Intrinsically Safe Control Drawing 46188466 201 Smart Temperature Transmitter STT250 Operator Manual 57 A 7 CSA Control Drawing 46188466 202 NON HAZARDOUS LOCATION OR AS SPECIFIED BY ASSOCIATED CL 1 DIV 1 GP A B C D CL I ZONE APPARATUS MANUFACTURERS CL II DIV I GP E F 6 CL II DIV INSTALLATION DRAWINGS a Notes 3 8 14 2 FIELD CSA Entity Approved Assiociated Apperalus Note 4 amp 5 Contro
28. OUTPUT 0 ENTER for 0 0 on SFC e Step 2 Press and hold side button on meter Release the button when CAL appears on the display The meter will now carry out a zero LRV calibration and revert to normal operation Press OUTPUT CLEAR to revert transmitter to continuous output operation e Step 3 Change output mode value to 100 by pressing OUTPUT 1 0 0 ENTER e Step 4 Press and hold side button on meter Release button when CAL appears on the display The meter will now carry out a span URV calibration and revert to normal operation Press OUTPUT CLEAR to revert transmitter to continuous output operation Return loop to Automatic operation ATTENTION If bAd appears on the meter display after Step 2 or 4 then the 4 mA or the 20 mA signal was not within the meter s acceptable accuracy range and calibration was aborted Check the mA values and repeat calibration steps as required Smart Temperature Transmitter STT250 Operator Manual 45 46 Smart Temperature Transmitter STT250 Operator Manual APPENDIX A TRANSIENT PROTECTOR INSTALLATION INSTRUCTION 1 Overview Honeywell s transient protectors external to housings part number 30755970 501 are designed to protect STT 3000 transmitters from damaging transients induced by lightning or heavy electrical eguipment Transient protectors divert induced surge current around the transmitter This reduces the voltage potential between
29. RPI2 6 8 No revision to this drowing is permitted without written CSA Approval 9 Simple apparatus is a device that will neither generate nor store more than 1 2V 0 1A 25 mW or 20 pJ such as switches thermocouples light emitting diodes connectors and RTD s 0 The Field Communicator shall be CSA Approved for use in Class 1 Division Groups A B C or D or class 1 0 Group 11 hazardous locations only The Field Communicator may be connected anywhere in the loop at which connections are accessible see the Field Communicator installation manual for further details 1 The following cable parameters for the input connections must not be exceeded Group Capacitance pF Inductance mH 2 0 22 E 7 0 85 0 20 183 2 The STT250 electronics assembly module only is CSA Approved for use only within a Class Division Group A B C or D or Class 1 Zone 0 Group IIC hazardous location 3 The STT250 Temp Transmitter is also nonincendive for use in Class Div 2 or Class Zone 2 module only ond Class 11 and 111 Division 2 Groups F and G with field mounted housing Connection to intrinsic safety barriers is not required Supply voltage not to exceed 35 Vdc 4 WARNING Substitution of components may impair intrinsic safety CERTIFICATION DOCUMENT ENGINEERING CHANGE ORDERS 5 MUST BE AUTHORIZED BY APPROVALS gt ENGINEERING PROJECTION A L praw 80 01 98 Honeywell LINEAR MEASURE otv enon AN STT
30. SIFIED LOCATION gt OR AS SPECIFIED BY ASSOCIATED CLASS 1 II III DIVISION 1 APPARATUS MANUFACTURER S GROUPS A B C D E F amp G INSTALLATION DRAWINGS CLASS ZONES 0 OR 1 GROUP IIC NOTES 3 AND 12 FRMC Entity Control Room Approved pment Assiocioted Note 2 Apparalus Note 4 8 5 ntrinsic Safety amp Shield Ground Note 6 COMMUNICATOR NOTE 10 PERMISSIBLE HAZARDOUS LOCATION el STT250 Temp Transmitter Entity Parameters Note Vmox 30 V Imax 165 mA Pmox 1 2 W Ci IT oF Li 2 see next page Select FMRC Entity Approved associated apparatus such thet the following conditions exist Vmax gt OR Vt Imax gt Isc OR It Ci of all loop devices Ccable Co Li of all loop devices Lcoble Lo Control equipment connected to associated apporotus must not use or generate more than 250V For Class 11 amp Class 111 installotions where rigid conduit is not used seal cable entries against dust and fibers using a NRTL listed cable glond fitting Associated apparatus must be FMRC Approved Associated apparatus may be installed within c Class I Division 2 or Class I Zone 2 Hazordous classified location if so Approved Associated apporatus and hazardous location loop apparatus manufacturer s control drawings must be followed when installing a system Non galvanically isolated associated apparatus zener barriers must be connected to a suitable ground ele
31. SING WITH METER RIGHT VIEW WITHOUT METER RIGHT VIEW 142 149 Dixit 5 59 0 58 I le NI I 2 FH ole am amp t 5 H N 4213 idc o e os 60 12 36 n n ponia qu I p 39 1 54 J T 94 CLEARANCE FOR QLEARANCEFORCAP 17 1317 REMOVAL 14 9 3 7 REMOVAL 0 59 15 i 129 5 4 53 5 1 46188468 201 Figure 10 Pipe Mounting Dimensions Dimensions Aluminium field mount housing EEE d c opu l Without integral meter 70 mm 120 8 mm DE emme 00 With integral meter 127 mm 210 8 mm ee mj omen Ben 28 Smart Temperature Transmitter STT250 Operator Manual SCREWS 4 8 L SPRINGS FEED THROUGH HOLE FOR SENSOR WIRES STT250 SENSOR PLATE ASSEMBLY CIRCLIPS e 46188463 201 Figure 11 Spring Loading and Sensor Assembly Spring loading is available worldwide with direct head mounting In North America the spring loading is typically included in the sensor thermowell assembly and is available with all housings For non North American spring loading as shown in Figure 11 simply include the springs under the 33 mm pitch mounting screws pass the scre
32. ailable with STT350 SCT does not support HART protocol and should not be used with Model STT25H STT25S and STT25T The STT25M cannot be changed from analog to digital DE mode To access to the new functionalities of the STT25M and STT25D you need a SCT3000 Version 154 or greater Smart Temperature Transmitter STT250 Operator Manual 3 2 6 STT25H Firmware DD Compatibility matrix This compatibility matrix includes a listing the DD files that should be used with a revision of the transmitter firmware Firmware Revision SDC625 HCF DD files Rosemount 375 Emerson DD Files 19 0207 fms 17040207 hdd 17040207 hhd Location of the DD files The HCF DD files are located at http hpsweb honeywell com Cultures en US Products Instrumentation SoftwareTools MCToolkit SoftwareDownloads document s htm Emerson DD Files are located at TBD DD Installation Instructions MC Toolkit SDC625 Copy the files to the following Release folder structure under SDC625 installation directory on the Pocket PC ARelease 00001710004 Rosemount 375 e Copy the files to the 375 Easy Upgrade Utility installation folder C Program Files 375 Easy Upgrade Utility PC Database DD HART e Update the DD files on the 375 SD Card following the Easy Upgrade instructions Smart Temperature Transmitter STT250 Operator Manual 9 3 2 7 STT25S Firmware DD Compatibility matrix This compatibility matrix include
33. al number is characters 0 through 3 and the single character 4 is the year of manufacture Apparatus Marked The user must determine the type of protection required for installation the with Multiple equipment The user shall then check the box v adjacent to the type of protection Types of used on the eguipment certification nameplate Once a type of protection has been Protection checked on the nameplate the eguipment shall not then be reinstalled using any of the other certification types Label 51452461 001 ia 4 20 mA DE is mounted on the module The following is a representation of this label Honeywell 32 LCIE 02 ATEX 6134 X Ex ja IIC 1 G STT 3000 SMART TEMP TRANSMITTER er no gt Ta TO 40 C SUPPLY 11 35 VDC OUTPUT 4 20 drin 00019000 5 _40 V 5 Ta 50 C TO 55 C T4 Ta 50 C TO 85 nu I ER s n UI 30 165 mA Pl 1 2W C INSTALL PER 11 6190 SN TAG CAL 51452461 001 155 8 ASSEMBLED IN USA FROM US AND IMPORTED PARTS PHOENIX AZ 85053 USA ji mn ha ma ocn capaces fee das Honeywell dir Ex nA IIC T6 Ta 50 TO 85 C amp II 3G STT 3000 SMART TEMP TRANSMITTER ZONE 2 SUPPLY 30V 23mA SUPPLY 11 35 VDC OUTPUT 4 20 mA 44 AMBIENT LIMITS 40 C TO 85 C INSTALL PER 11 6190 MODEL IN AN ENCLOSURE RATED IP 54 MINIMUM SN TAG CAL 51452663001 ISS B ASSEMBLED IN USA FROM US AND
34. blem would give upscale or downscale fail safe CRITICAL STATUS Bad sensor wire connection Incorrect operating voltage Bad sensor wire connection Intermittent open circuit of sensor Wiring disturbed by strong electromagnetic interference A fail safe output signal critical status can be caused by several reasons Check field wiring and connections for partial short circuit Check STT250 connections are correct polarity Check that the transmitter is in its voltage operating area and line resistance is not excessive Check connection and wiring for intermittent connections Check that sensor fault detection is ON this allows detection of a bad sensor Protect wiring by using appropriate grounding shielding etc The SFC will indicate the source of the problem by displaying the appropriate error message Smart Temperature Transmitter STT250 Operator Manual 33 SYMPTOM SFC MESSAGE POSSIBLE CAUSE CURE DISPLAY Incorrect STATUS The most common error is Check the output signal CHECK O K changing the sensor appropriate sensor with but does not wiring after probe type wiring and power simulating correspond to selection or after power cycle when it is device value set by correct simulating device Remember when changing configuration to first connect sensor wiring correctly then change configuration INVALID INVALID If the LRV is cha
35. corrective action are 1 At power up the LCD stays completely blank Either the self check failed or the meter is not receiving power Check the connections Note that the Smart Meter reguires 2 25 Volts supply in addition to the minimum 10 8 Volts for the STT250 transmitter i e minimum of 13 05 V across the meter transmitter terminals Verify adeguate loop power is available At power up after showing all LCD segments the display shows BAD XMTR STATUS and _ instead of the digital engineering unit display This means that the meter received a critical status diagnostic message from the transmitter at power up Use the configuration tool to determine the critical status cause and correct After successful power up the display shows BAD XMTR STATUS and the bargraph flashes This means that a critical status condition occurred during operation The display value may not be correct Use the configuration tool to determine the cause and correct After successful power up the display shows FAULT LAST KNOWN VALUE and the bargraph flashes This means that the on going self diagnostics of the meter detected an internal fault or that communications from the transmitter were lost or that 5 or more corrupted messages were received from the transmitter operating in the digital output mode Cycle the power to see if the condition self clears If it recurs check loop wiring for adeguate loop power ensure presence of the 250 ohm communica
36. ctrode per NFPA 70 Article 504 The resistance of the ground path must be less than ohm Installation must be in accordance with Article 500 of the NEC ANSI NFPA 10 and ANSI ISA RPI2 6 No revision to this drawing is permitted without written FMRC Approval Simple apparatus is o device that will neither generate nor store more than 1 2V 0 1 25 mW or 20 such as switches thermocouples light emitting diodes connectors and RTD s The Field Communicator shall be FMRC Approved for use in Class I Division 1 Groups A B C or D or Class I Zone 1 Group hazardous locations only The Field Communicator may be connected anywhere in the loop at which connections are accessible See the Field Communicator installation manual for further details The following cable porometers for the input connections must not be exceeded Group Capacitonce pF Inductance mH 2 0 22 E 1 0 85 D F 6 20 183 The STT250 electronics assembly module only is FMRC Approved for use only within 0 Class I Division 1 Groups A B C or D or Class I Zone 1 Group IIC hozardous location STT250 Temp Transmitter is also nonincendive for use in Class Division 2 or Class I Zone 2 module only ond Class 11 ond 111 Division 2 Groups and G with field mounted housing Connection to intrinsic safety borriers is not required Supply voltage noi to exceed 35 Vdc 52 Smart Temperature Transmitter STT250 Operator Manual ASSEMB
37. cts and services associated with the Ex industries Honeywell Honeywell International Process Solutions 2500 West Union Hills Phoenix AZ 85027
38. e display reverts to the selected unit display The Smart Meter is now configured for use Replace the meter cap 6 3 2 Transmitter Operating in 4 Byte Digital Output or in 4 20 mA Analog Mode In these cases the output signal does not include the transmitter database only the of span output signal Part of this database e g LRV URV is reguired to enable an engineering unit display Accordingly press the ID key on the SFC If the transmitter responds DE XMTR XXXXXXXX then also press the SHIFT ID keys This enables the Smart Meter to recognize that the temperature units should be used and the necessary part of the database to convert to the preferred engineering units Now configure the reguired engineering units as described in Section 6 3 1 above 6 3 3 Transmitter Operating in 4 20 mA Analog Output Mode The Smart Meter is factory calibrated to convert the received 4 20 mA signal to a 0 to 100 of span display Regardless of the transmitter s actual PV output a display of 0 0 output means that the meter reguires recalibration Refer to Section 6 4 for the recalibration procedure 42 Smart Temperature Transmitter STT250 Operator Manual 6 4 Diagnostic and Troubleshooting 6 4 1 Analog Meter The Analog Meter is an irreparable item If it reads at the bottom of the scale with a known input check that the connections are good and that the voltage across the meter diode terminals is 0 5 to 0 7 V This reading confi
39. eaning of each certification mark CE Mark that appears on the label s affixed to the product 2 Instructions for installation and use of the product Information required for installation and use of this product is given in EN11 6190 STT 3000 Series 250 Smart Transmitter Models STT25M STT25H STT25S STT25D STT25T Operator Manual of which this Addendum is a part Details regarding certification marks that appear in labeling for this product are given in this addendum Attention The publication cited above and the functioning and construction except for labeling of the devices described therein are essentially unchanged The purpose of this addendum is to provide details on the purpose and appearance of the labels attached to each device under ATEX Directive 94 9 EC Attention Before installing the equipment in a potentially explosive atmosphere please read the information provided in this Addendum which supports the ATEX certifications for this product CE Conformity The STT 3000 Smart Temperature Transmitter Models STT25 are in conformity with the protection requirements of the following European Council Directives 94 9 EC the Explosive Atmospheres ATEX Directive and 2004 108 EC the Electromagnetic Compatibility EMC Directive In conformity with the ATEX directive the CE mark on the certification nameplate includes the Notified Body identification number 0344 01 ATEXQ3199 adjacent to the EC T
40. eceives its power and signal carrier from the same 4 20 mA signal current Model STT25 supports thermocouple and 2 3 and 4 wire RTD sensor inputs Model STT25T supports dual thermocouple inputs In normal operation the maximum current is 23 mA Conditions for the application of the above equipment in Zone 2 hazardous areas 1 This equipment is in compliance with the EHSR s of the ATEX Directive 94 9 EC EN 50021 plus a review against EN 60079 15 which showed that there were no changes which materially affected the state of technological progress with respect to this product 2 Before commissioning this eguipment it must be verified that the power supply voltage cannot exceed the 30 Vdc maximum for the STTISS transmitters 3 The temperature transmitter is a non repairable item and if faulty must be replaced The electrical power supply must be switched off before any replacement and during any time that the wiring terminations are being connected or disconnected 4 The technical data supplied by the manufacturer must be adhered to Install per Operator manual EN11 6190 5 The temperature transmitter module shall be installed in enclosure IP 54 minimum Certificate Protection Description Models STT25M 4 20 mA STT25H 4 20 mA HART 5 LCIE 06 ATEX 6066X 1 G Ex ia STT25S 4 20 mA HART6 STT25D 4 20 mA DE and STT25T Dual Input and 4 20 mA HART Specifications for Use in Zone 2 Supply V
41. ed configuration item appears on the SFC display this item may be configured in the SFC Hold memory by pressing Enter When you have completed configuring all items accessible via the STT Conf Key or you try to exit via the CLR Key the SFC will ask Download Change Press Yes Enter and the changes will be down loaded from the SFC to the transmitter or press No CLR and the SFC hold memory will be erased 6 Having now configured the input type etc press LRV and key in the required temperature for 4 mA output e g 100 C 212 F 7T Press Enter to load this into the transmitter and repeat with URV for the 20 mA output e g 500 C 932 F 14 Smart Temperature Transmitter STT250 Operator Manual Note that if the input type is changed or the output type is changed from linear to non linear or vice versa the LRV and URV values will default to factory set values and the unit selection C F will default to C Your STT250 is now configured for your applications You can check out the performance by varying the input and observing the output response on the DVM Smart Temperature Transmitter STT250 Operator Manual 15 Be Be CHANGE CONF PROBE J K etc CJ Ext Int Line Filter Next Inp Fault Det LATCHING CHG LATCHING CONFIG Enter CFG NAMUR CHG NAMUR CONFIG Enter WRITE CHG WRITE PROT DAMP
42. entified by the tag number Incorrect The most common Check the appropriate output signal error is changing the sensor wiring and power with sensor wiring after cycle when it is correct simulating probe type selection or Remember when device after power up changing configuration to first connect sensor wiring correctly then change configuration When VALUES TOO If the LRV is changed Make sure that changing HIGH OR TOO the URV tries to change LRV gt LRL LRV or URV LOW by the same amount to maintain the same and that SPAN If this new URV lt URL exceeds the URL then this message appears Status is set USER CORR Transmitter has been When performing a Reset to ACTIVE trimmed for particular Correct command or a USER sensor range This can sensor type change the CORR be done by keying in transmitter will lose this LRV URV CORRECT sensor correction and fall ENTER with exact LRV back to the original and URV input values factory calibration STT25H and to enable improved STT25S accuracy over the specifications ACTIVE Smart Temperature Transmitter STT250 Operator Manual 35 SYMPTOM High input Unstable onscale input HART Communicator MESSAGE DISPLAY OUT OF SPEC indicates that the input is above URL or below LRL None Since any identified problem would give upscale or downscale fail safe POSSIBLE CAUSE Incorrect operating vo
43. erein are essentially unchanged The purpose of this addendum is to provide details on the purpose and appearance of the labels attached to each device under ATEX Directive 94 9 EC Attention Before installing the eguipment in a potentially explosive atmosphere please read the information provided in this Addendum which supports the ATEX certifications for this product CE Conformity The STT 3000 Smart Temperature Transmitter Models STT25 are in conformity with the protection reguirements of the following European Council Directives 94 9 EC the Explosive Atmospheres ATEX Directive and 2004 108 EC the Electromagnetic Compatibility EMC Directive In conformity with the ATEX directive the CE mark on the certification nameplate includes the Notified Body identification number 0344 KEMA 01ATEX03199 adjacent to the EC Type Examination Certificate number Deviation from the installation conditions in this manual may invalidate this product s conformity with the Explosive Atmospheres Pressure Eguipment and EMC Directives Conformity of this product with any other CE Mark Directive s shall not be assumed 9 07 EN11 6190 A3 Addendum to EN11 6190 2 of 10 Honeywell Marking Honeywell s Model STT 3000 Smart Temperature Transmitter with the following ATEX Directive nameplates attached has been certified to comply with Directive 94 9 EC of the European Parliament and the Council as published in the Official Jou
44. eric tag number by using number and letter keys NOTE Even though the transmitter is working properly the SFC may display CRITICAL STATUS and an error message when you press STATUS The error messages are INPUT OPEN UNCERTAIN READING I P OUT OF SPEC The CRITICAL STATUS message is caused by one of the following gt Youhave not connected a sensor to the input gt Thereis an open circuit in the sensor connecting wiring or terminal connections gt You have connected a T C or other milli volt source to the T C terminals and the transmitter is configured for RTD input or vice versa 3 Press Status to verify Status Check OK is displayed 4 Press Conf to access the transmitter database and configure it as reguired As mentioned earlier the default shipping mode of engineering units is 0 45 mV input mV range You can now customize the unit to your specific application The flow chart in Figure 5 gives a simplified overview of selections and key strokes See SFC Operating Card 34 ST 11 16 for more details on Latching NAMUR and Write Protection functionalities In summary Press Next or A and Prev or wv to scroll through the different categories Press Menu Item to access the possible selections of any category the gt key steps on to the next selection while the key steps back to the previous selection Note that with the Menu Item key you can only move to the right 5 When a desir
45. ic Parameters for Flameproof Installation 6 of 10 Field wiring terminals Uis30V li lt 165 mA Pis1 2W Without local analog meter ME S 17 Li s 45 uH With local analog meter ME lt 17 nF Li lt 195 uH With local smart digital meter SM Ci 17 nF Li lt 45 uH With local EU meter EU lt 17 nF Li lt 45 uH Sensor entry terminals 1 2 3 amp 4 Uos10 5V los40mA Co lt 2 08 uF Lo lt 20mH The Smart Temperature Transmitter is an intrinsically safe apparatus that can be installed in potentially explosive atmospheres The supply terminals must be connected only to a certified associated intrinsically safe apparatus The sensor entry terminals 1 2 3 and 4 must be connected only to certified intrinsically safe equipment or according to paragraph 1 3 of standard EN 50014 The electrical parameters U I and P of the associated apparatus connected to the power terminals must not exceed the following values Ui lt 30V li lt 165 mA Pi lt 1 2 W The electrical parameters L and C of the apparatus connected to the sensor entry terminals 1 2 3 and 4 cabling parameters included must not exceed the following values Cext 2 uH Lext 2mH Certification ambient operating temperature 50 C to 85 C Standard specification ambient limits 40 C to 85 Temperature classifications IS ia 4 20 mA DE Flameproof d T6 up to Ta lt 40 C T6 up to Ta l
46. id Non Sparking national standards for installation and operation Zone 2 Installation 2 M e Before commissioning of this eguipment it must be verified that the power Honeywell certified supply voltage cannot exceed the 35 Vdc maximum for 4 20 mA analog DE and HART equipment e The electronic assemblies in these units are non repairable items and if faulty must be replaced The electrical power supply must be switched off before any replacement and during any time that the wiring terminations are being connected or disconnected 9 07 EN11 6190 A3 Addendum to 11 6190 7 of 10 9 07 Honeywell 51453718 Revision A DECLARATION OF CONFORMITY Ex ATEX 0344 We declare under our sole responsibility that the following products STT 3000 Series STT250 Smart Temperature Transmitter Models STT25M STT25H STT25S STT25D STT25T to which this declaration relates are in conformity with the protection requirements of Council Directive 94 9 EC ATEX Directive on the approximation of the laws of the Member States concerning equipment and protective systems intended for use in potentially explosive atmospheres and 89 336 EEC EMC Directive as amended by 92 31 EEC 93 68 EEC and 2004 108 EC on the approximation of the laws of the Member States relating to Electromagnetic Compatibility The models covered by this Declaration and evidence of conformity with the ATEX Directive are listed below Conformity to the
47. l Room Equipment Note 2 Intrinsic Safety amp Shield Ground Note 6 HAZARDOUS CLASSIFIED LOCATION HAND HELD COMMUNICATOR NOTE 10 PERMISSIBLE HAZARDOUS LOCATION STT250 Temp Transmitter Entity Parameters Note Vmax 30 V Imax 165 mA Pmax 1 2 W Ci 17 nf Li see next page Notes Select CSA Approved associated apparatus such that the following conditions exist Vmax gt Voc OR Vt Imax gt Isc OR It Ci of al oop devices Ccable Co Li of all loop devices Lcable Lo 2 Control equipment connected to associated apparatus must not use or generate more than 250V 3 For Class 11 amp Class 111 installations where rigid conduit is not used seal cable entries against dust and fibers using a NRTL listed cable gland fitting 4 Associated apparatus must be CSA Approved Associated apparatus may be installed within a Class Division 2 or Class l Zone 2 Hazardous classified location if so Approved 5 Associated apparatus and hazardous location loop apparatus manufacturer s control drawings must be followed when installing a system 6 Non golvanically isolated associated apparatus zener barriers must be connected to a suitable ground electrode per NFPA 70 Article 504 The resistance of the ground path must be less than ohm 1 Installation must be in accordance with section 18 of the Canadian Electrical Code and ANSI ISA
48. l control with Model STT25S Supported Commands Read write ID Select sensor type Select units Write change LRV and URV Set LRV and URV Select damping time Read URL and LRL Read process value and cold junction value Read analog output Read PV Read Output Read CJ Read STT250 s software version Read fail safe direction Set reset user calibration Set 0 and 100 output calibration Read write scratch pad Force output current Enable disable latching Read write multidrop address Read device status Set clear write protect Read write long tag ID Read write loop current mode Addressing 0 to 63 Lock unlock device Read write message descriptor date H W odo Wes X o od 3e 9 Smart Temperature Transmitter STT250 Operator Manual 7 3 2 5 Smartline Configuration Toolkit SCT The SCT supports several Smartline products which use the DE protocol including the STT350 STT25M and STT25D Since the STT25M and STT25D configuration data are a subset of the STT350 most functions are supported by the current version of the SCT software The only confusion which may occur is if you try to configure the STT250 for functions which are available only with the STT350 transmitter as shown below Sensor types C D Ni NiMo Radiamatic Pt500 Ni500 Cu10 and Cu25 are only available with STT350 External cold junction compensation is only available with STT350 High Low PV read is only av
49. l fixing Electrical connections are identical to the bench test instructions see page 7 except that compensation cable 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 INSTALLATION WITH G DIN 7 DIN RAIL RAIL RIGHT VIEW 31 1 22 a G DIN RAIL a 414 1 63 INSTALLATION WITH HAT Q DIN RAIL RIGHT VIEW 44 4 1 75 46188464 201 Figure 8 DIN Rail Mounting 4 6 2 Mounting Module in Housing The STT250 module can be installed in a variety of housings suitable for direct head mounting 2 50mm pipe mounting or wall mounting Ensure that the installation location is suitable for reliable transmitter operation e g for high temperature applications a thermowell extension is recommended to minimize failure rates due to high ambient temperatures near the transmitter Smart Temperature Transmitter STT250 Operator Manual 27 FIELD MOUNT HOUSING FIELD MOUNT HOUSING FIELD MOUNT HOUSING WITH METER WITHOUT METER WITH OR WITHOUT RIGHT VIEW RIGHT VIEW METER FRONT VIEW T E N O LE N 11 11 FI 11 11 1 4 Ll M 4 53 46188467 201 Figure 9 Wall Mounting Dimensions FIELD MOUNT HOUSING WITH FIELD MOUNT HOUSING OR WITHOUT METER FRONT VIEW FIELD MOUNT HOU
50. lay shows the output in of span or in engineering units except with STT25H and STT25S HART With the 4 20 mA signal this digital display is accurate to 0 5 of span With the Digital DE signal the display has no error displaying the digital output exactly within its resolution of 0 05 for a 199 9 reading range 0 5 for a 1999 reading range and 5 for a 19990 reading range The Smart Meter includes various status message and engineering unit information on the LCD screen The Smart Meter obtains its power in series with the transmitter and reguires 2 25 V power supply in addition to the transmitter s 10 8 V i e 13 05 V minimum supply Volts The minimum loop operating current is lt 3 8 mA 6 2 Connection Information The addition of a meter changes the user wiring connections because a serial connection of the meter in the negative 4 20 mA signal line from the transmitter is reguired Wire the meter as shown in Figure 14 WIRING FOR SMART DIODE WIRING FOR ANALOG METER METER 46188461 201 Figure 14 Meters Connections Smart Temperature Transmitter STT250 Operator Manual 41 6 3 Installation Commissioning After wiring the meter as shown in Figure 14 and powering up the transmitter loop verify that the display operates as expected The Smart Meter may reguire access to its configuration push button which is acce
51. le to 3 8 mA in the D position The output of the STT250 can be 4 20mA analog DE or HART or digital DE protocol The digital DE output is used primarily with Honeywell s control system where it improves performance by avoiding conversion to from an analog signal and offers full database integration of field transmitters with the central control system 1 To protect the integrity write protect is software configurable and accessible through a password The fall back password is an algorithm based on the unit serial number If the password is lost contact your regional Technical Assistance Center TAC with the unit serial number Smart Temperature Transmitter STT250 Operator Manual 3 3 2 Configuration Tools 3 2 1 Smart Field Communicator SFC for STT25M and STT25D Models As previously indicated the SFC communicates by connecting across the 4 20 mA wiring DE Communication is by 16 mA pulses which disturb the 4 20 mA output signal When in analog mode ensure that receiving instruments are not on automatic control The SFC does not feed 16 mA pulses into the loop but instead merely uses the power on the 4 20 mA wires and switches it through a field effect transistor output 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 reguired and the SFC communication does not disturb the PV signal Conseguently there is no need to put
52. llowing gt You have not connected a sensor to the input gt Thereis an open circuit in the sensor connecting wiring or terminal connections gt You have connected a T C or other milli volt source to the T C terminals and the transmitter is configured for RTD input or vice versa 3 Press gt to select Device setup menu 4 Then use to highlight the Basic setup followed by gt to access the transmitter database and configure it as reguired As mentioned earlier the default shipping mode for units is 0 45mV input 0 45 mV range You can now customize the unit to your specific application The flow chart in Figure 7 gives a simplified overview of selections and key strokes In summary pressing gt selects a menu pressing A or accesses the selections of any category pressing steps back to the previous menu 20 Smart Temperature Transmitter STT250 Operator Manual Figure 7 Flow chart for STT25T Configuration Smart Temperature Transmitter STT250 Operator Manual 21 4 5 4 1 Examples of configuring dual RTD TC and TC TC input modes EXAMPLE 1 How to configure the transmitter in hybrid mode RTD TC with the option Match PVs ON 1 Press gt or press 1 to select Device setup menu Online N elta 2 Press V three times and then gt or press 4 to enter Detailed setup menu STTZST Deuice setur Process variables 2 Diag
53. ltage Bad sensor wire connection Intermittent open circuit of sensor Wiring disturbed by strong electromagnetic interference Check STT250 connections are correct polarity Check that the transmitter is in its voltage operating area and line resistance is not excessive Check connection and wiring for intermittent connections Check that sensor fault detection is ON this allows detection of a bad sensor This option is not available on STT25T Protect wiring by using appropriate grounding shielding etc 36 Smart Temperature Transmitter STT250 Operator Manual SYMPTOM HART Communicator MESSAGE DISPLAY POSSIBLE CAUSE Critical status A fail safe output signal can be caused by several reasons The HART communicator will indicate the source of the problem by displaying the appropriate error message Fail safe output signal HARDWARE ERROR An internal problem linked to the device s electronics hinders the measure sequence Try to restart the device if the status keeps on being ON contact your seller Fail safe NVM CALIB The diagnostic of the Try to restart the device output signal FAILED calibration area if the status keeps on stored in the non being ON do a master volatile memory has reset and a new failed calibration Fail safe NVM CONF The diagnostic of the Try to restart the device output signal FAILED configurati
54. lvanic isolation of input output circuits enables use with grounded or ungrounded probes This enables connection of the output signal to ground e g at safety barriers without creating a ground loop Screw down the housing cover securely Smart Temperature Transmitter STT250 Operator Manual 29 CI B BB section AA section Eg zz 85 40 2 M3 x as E 1 2 NPT A Dimensions in millimeters B 46188452 0XX Figure 12 Aluminium Direct Head Mount Housing Dimensions BB section A N AA section en m B 46188453 0XX Figure 13 Cast Iron Direct Head Mount Housing Dimensions For more detailed installation drawings refer to the list in section 5 4 4 7 Commissioning Commissioning is carried out after installation and wiring have been completed Power up the STT250 transmitter and verify via the SFC or HART Communicator that it is configured as required If a bench check and configuration were completed the procedure will be clear If no bench check and configuration was done refer to Section 4 4 and carry it out now Verify also that the receiving device is actually receiving the output signal and use the SFC or HART Communicator in output mode to vary the output signal and verify loop calibration If small errors exist in the loop the
55. mmissioning this eguipment it must be verified that the power supply voltage cannot exceed the 30 Vdc maximum for the STTISS transmitters 3 The temperature transmitter is a non repairable item and if faulty must be replaced The electrical power supply must be switched off before any replacement and during any time that the wiring terminations are being connected or disconnected The technical data supplied by the manufacturer must be adhered to Install per Operator manual EN11 6190 n The temperature transmitter module shall be installed in enclosure IP 54 minimum Certificate Protection Description LCIE 02 Eoll 1G Models STT25M 4 20 mA STT25H 4 20 mA HART5 STT25S 4 20 ATEX 6134X Selle MA HART6 STT25D 4 20 mA DE and STT25T Dual Input and 4 xdg 20 mA HART Specifications for Use in Zone 2 Supply Voltage 9 to 30 Vdc Ambient temperature limits 50 to 85 C Temperature Classification T6 at Ta lt 80 C 5 at Ta lt 85 C Manufacturer Honeywell International Inc 2500 West Union Hills Drive Phoenix Arizona 85027 USA ALLA Honeywell International Inc Frederick M Kent Industrial Measurement amp Control Standards amp Approvals Engineer 1100 Virginia Drive Fort Washington PA 19034 USA ATEX Authorized Person Issue Date 11 Sept 2007 9 07 EN11 6190 A1 Addendum to EN11 6190 10 of 10 Honeywell EN11 6190 A3 STT 3000 Series STT250 Smart 9 07
56. n received certification under ATEX Directive 94 9 EC The Honeywell STT 3000 Series STT250 Smart Temperature Transmitter is now ATEX certified and all units manufactured currently and in the future will include labeling that includes all markings reguired under the ATEX directive Inclusions To ensure that all reguired information will be available to the user the following items are included with this Addendum for reference 1 Declaration of Conformity ATEX CE0344 Honeywell document number 51453718 Revision A 2 Certificate of Manufacturer II 3 G EEx nA ATEX CE Honeywell document number 51453719 Revision A 9 07 11 6190 Addendum to EN11 6190 1 of 10 Honeywell Purpose and This Addendum includes information reguired under the ATEX Directive regarding Content of this 1 KE Addendum 1 The appearance and meaning of each certification mark CE Mark that appears on the label s affixed to the product 2 Instructions for installation and use of the product Information required for installation and use of this product is given in EN11 6190 STT 3000 Series 250 Smart Transmitter Models STT25M STT25H STT25S STT25D STT25T Operator Manual of which this Addendum is a part Details regarding certification marks that appear in labeling for this product are given in this addendum Attention The publication cited above and the functioning and construction except for labeling of the devices described th
57. n they should be identified and the out of specification device calibrated However if no adjustment is possible e g with voltage developing resistors or active barriers then the STT250 output can be recalibrated to compensate for loop zero and span errors For calibration of the STT250 refer to the SFC Operating Guide 34 ST 11 16 30 Smart Temperature Transmitter STT250 Operator Manual 48 Start Up Start up the process check that the STT250 environment is still as expected i e local temperature and vibration are not excessive housing cover is tightly sealed and mountings are secure If the process operates at a slightly different condition from expected then the range of the STT250 can be easily changed by keying in a new URV LRV setting via the SFC DE or the HART Communicator and rescaling the receiving device Smart Temperature Transmitter STT250 Operator Manual 31 5 MAINTENANCE TROUBLESHOOTING 5 1 Maintenance Maintenance of the STT250 is limited to ensuring that connections seals and mounting are tight and secure There are no moving parts or adjustments thus the only reason to open the housing is to inspect for corrosion or conductive dust entry which could later affect reliable operation WARNING gt The transmitter module itself should NEVER be opened 5 2 Troubleshooting 5 2 1 Troubleshooting with SFC STT25M and STT25D Models Troubleshooting the STT250 loop is greatly simplified by con
58. necting the SFC in the termination area near the receiving instrument Also connect a 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 For any step the first action is to hook up the SFC to the transmitter and press ID then STATUS SYMPTOM SFC MESSAGE POSSIBLE CURE DISPLAY CAUSE No input or low INPUT OPEN with Bad sensor wire Check out field input downscale fail connection wiring and OUT OF SPEC connections indicates that the input Ensure that the Incorrect Add is below LRL operating voltage transmitter is in its HI RES LO VOLTS voltage operating which indicates an open area circuit loop Verify that the 250 ohms resistor is in loop 32 Smart Temperature Transmitter STT250 Operator Manual SYMPTOM SFC MESSAGE POSSIBLE CURE DISPLAY CAUSE High input Unstable onscale input Fail safe output signal INPUT OPEN with upscale fail 21 OUT OF SPEC indicates that the input is above URL or below LRL STATUS CHECK since any identified pro
59. nged the Reduce the URV or REOUEST REQUEST URV tries to change by SPAN before when the same amount to changing the LRV changing maintain the same SPAN LRV or URV If this new URV exceeds the URL then this message appears Non critical USER CORR Transmitter has been When performing a status ACTIVE trimmed for particular Reset Correct message sensor range This can be command without sign done by keying in sensor type LRV URV CORRECT change the ENTER with exact LRV transmitter will lose and URV input values to this sensor enable improved accuracy correction and fall over the specifications back to the original factory calibration Remember that successful communications with the STT250 result in many useful pieces of data With the initial I D response the user can confirm that the Transmitter is powered Line resistance is correct Wires run to the correct unit If not the unit connected can be identified by the tag number 34 Smart Temperature Transmitter STT250 Operator Manual 5 2 2 Troubleshooting with HART communicator STT25H STT25S and STT25T Models SYMPTOM HART POSSIBLE communicator CAUSE MESSAGE DISPLAY Remember that successful communications with the STT250 result in many useful pieces of data With the initial I D response the user can confirm that the Transmitter is powered Line resistance is correct Wires run to the correct unit If not the unit connected can be id
60. ntries 2 Sensorfault detection ON will drive the output upscale or downscale as selected in the event of an open input condition or in response to most electronic malfunctions Sensor fault detection OFF will give an indeterminate output with an open input condition 3 O P linear will always read in degrees C F R or K as selected for T C and RTD inputs O P non linear will read in milli volts for T C inputs and in ohms for RTD inputs 4 5 3 HART Configuration STT25H and STT25S Models 1 Turn on the power supply and the HART Communicator 2 On power up the communicator will display Self Test in Progess verify proper operation and display STT250 HA xxxxxxxx xxxxxxxx represents the tag and On line The process value output current LRV and URV are displayed a few seconds later NOTE Even though the transmitter is working properly the HART Communicator may display Input Open Press NEXT Ignore next 50 occurrences of status is displayed Confirm with YES to correct the problem The cause is probably one of the following gt You have not connected a sensor to the input gt There is an open circuit in the sensor connecting wiring or terminal connections gt You have connected a T C or other milli volt source to the T C terminals and the transmitter is configured for RTD input or vice versa 3 Press gt to select Device setup menu 4 Then use to highlight the Basic setup follo
61. o put the loop on manual control with the STT25T model Supported Commands Read write ID select Dual Mode TC TC RTD RTD RTD TC STT25T Model Select sensor type Select units Write change LRV and URV Set LRV and URV Select damping time Read URL and LRL Read process value and cold junction value Read analog output Read PV Read PV1 and PV2 STT25T Model Read Output Read CJ Read STT250 s software version Read fail safe direction Set reset user calibration Set 0 and 100 output calibration Read write scratch pad Force output current Enable disable sensor break detection not available on STT25T Model Enable disable latching Read write multidrop address XS Delta detection ON OFF STT25T Model Set Delta Alarm STT25T Model Read Delta STT25T Model Match PVs STT25T Model Read device status Set clear write protect 3e e Ee se 3 dp ood ESE Woo doo a EEE 0 0 6 Smart Temperature Transmitter STT250 Operator Manual 3 2 4 HART Communicator Model 375 for STT25S Model The HART Communicator communicates by connecting across the 4 20 mA wiring Communication is by a high freguency carrier superimposed onto the 4 20 mA signal The HART transmitter transmits by modulating the 4 20 mA DC loop current with a 1 MA p p AC current signal This modulated signal does not disturb the output signal PV since the average value of the communication signal is zero Thus it is unnecessary to put the loop on manua
62. oblem will be WARNING The delta value you have reported both on the loop and on the entered will really be active after you have HHC you have to enter the Alarm pressed SEND button menu which is in the Detailed Setup menu STT2IT ARAM Ber ailed setur 1 Sensors 2 Signal condition 3 utrut condition 4 Device information 10 11 alles KARA 0 SIT29T sbelts detect 3 Catch clear Alarm direction Hi HELP SHUE HOME ESC ENTER Enter line 1 you can see here that this On the first line you can read the alarm is Off by default current setting select On and press ENTER 12 STT2ST ARAA Alarm ng alarm 4 Latching Alarm OFF means that Catch h clear intermittent XS Delta conditions will self i nue rm direction Hi clear HELP SENG Latching Alarm ON only operates WARNING The status will really become when both sensors are open circuit critical after you have pressed SEND button If delta value PV1 PV2 become higher than 5 C a status will appear on the HHC and the loop will be driven to the alarm level Do not select XS delta alarm On if Redundant sensor operation is required because either sensor failing drives output to failsafe 26 Smart Temperature Transmitter STT250 Operator Manual 4 6 Mounting 4 6 1 DIN Rail Mounting If the STT250 is to be installed on DIN Rail then the main considerations are electrical connections and mechanica
63. of Electrical Apparatus of Eguipment Group II Category 1 G EN 61010 1 2001 Safety Reguirements for Electrical Eguipment for Measurement Control amp Laboratory Use Part1 General Reguirements EN 61326 1997 A1 A2 Electrical Equipment for Measurement Control and Laboratory Use EMC Requirements Notified Type Examination Certificates Production Ouality Assurance Notification Bodies CIE Groupe Bureau Veritas 0081 KEMA Quality B V 0344 33 Avenue du G n ral Leclerc Utrechtseweg 310 92260 Fontenay aux Roses France 6812 AR Arnhem The Netherlands Certificate Protection Configuration Description SONG Models STT25M 4 20 mA STT25H 4 20 LCIE 02 ATEX 6134X Module only ia mA HARTS STT25H 4 20 mA HART6 STT25D 4 20 ia IIC T6 to 4 MA DE and STT25T Dual Input and 4 20 mA HART Module mounted in Models STT25M 4 20 mA STT25H 4 20 LCIE 02 ATEX 6135x 1 6 5 mounted MA HARTS STT25S 4 20 mA HART6 STT25D 4 20 Ra d encour only MA DE and STT25T Dual Input and 4 20 mA HART T95 EN11 6190 A1 Addendum to EN11 6190 8 of 10 Manufacturing Honeywell Industrial Solutions Locations Industrial Solutions 2500 West Union Hills Drive Phoenix Arizona 85027 USA The authorized signatory to this declaration on behalf of the manufacturer and the Responsible Person is identified below Honeywell International Inc MPA S Industrial Measurement
64. oltage 9 to 30 Vdc Supply Current 23mA Ambient temperature limits 50 to 85 Temperature Classification T6 at Ta lt 80 C 5 at Ta lt 85 C Manufacturer Honeywell Automation India Ltd 56 amp 57 Hadapsar Industrial Estate Pune 411013 Honeywell Automation India Ltd Bhavesh Varia 56 amp 57 Hadapsar Industrial Estate Product Safety amp Approvals Engineering Pune 411013 India Issue Date 11 September 2007 9 07 EN11 6190 A3 Addendum to 11 6190 10 of 10 IECEx Certification IECEx is a single global certification Framework based on the International Electrotechnical Commission s international standards It caters to countries whose national standards are either identical to those of the IEC or else very close to IEC standards The IECEx is truly global in concept and practice reduces trade barriers caused by different conformity assessment criteria in various countries and helps industry to open up new markets The goal is to help manufacturers reduce costs and time while developing and maintaining uniform product evaluation to protect users against products that are not in line with the required level of safety The aim of the IECEx Scheme and its Programs is to ease international trade of Explosion Protected Eguipment termed Ex eguipment by eliminating the need for duplication of testing and certification while preserving safety IECEx operates as an International Certification System covering produ
65. on area if the status keeps on stored in the non being ON contact your volatile memory has seller failed Fail safe INPUT OPEN Bad sensor wire Check field wiring output signal connection and connections for partial short circuit The two sensors are broken or badly connected STT25T only Fail safe XS DELTA The value of delta If you do not want to see output signal STT 25T only delta PV1 PV2 is this alarm as a critical higher than the alarm level set by the user AND the option XS delta detection has been turned ON status turn OFF the option XS delta detection this is the default configuration Smart Temperature Transmitter STT250 Operator Manual 37 SYMPTOM HART Communicator MESSAGE DISPLAY POSSIBLE CAUSE Non Critical status The HART communicator can indicate some problems or information by displaying messages which are not associated to a fail safe output signal these are non critical status The following CJ OVER TEMP The ambient The transmitter works message is temperature in ambient displayed measured is out of temperature the transmitter conditions out of its specifications specification the 40 C to 85 C or measure can be 41 to 185 F perverted The following OUTPUT PV gt URVor Check your process message is SATURATED PV LRV temperature Adapt displayed the span Output fixed at 20 8 or 3 8 mA The foll
66. ousing 4 7 COMMISSIONING 4 8 START d isi met ooa Lo Me maata bb eh oo et miete MAINTENANCE TROUBLESHOOTING e eeeeeeene nennen nennen nnnm 554 I MAINTENANGE nn deoa accede dta pU Ia 5 2 TROUBLESHOOTING ms u alien ut tees a Cua Eo duda cro Vo 521 Troubleshooting with SFC STT25M and STT25D Models 32 522 Troubleshooting with HART communicator ST T25H STT25S and ST T25T Mocels 35 5 3 RECOMMENDED PARTS 0essseeceeececceesscceeceeceeeessccesceeeeeanseeeeseeeeeaas 5 4 WIRING AND INSTALLATION DRAWINGS NUMBERS INDICATION METERS eene nnne 6 1 INTRODUCTION 6 2 CONNECTION INFORMATION eene nnn nnn nnn nn nnn nan 6 3 INSTALLATION COMMISSIONING ee eene 631 Transmitter Operating in 6 Byte Mode 632 Transmitter Operating in 4 Byte Digital Output or in 4 20 mA Analog Mode Smart Temperature Transmitter STT250 Operator Manual iii 633 Transmitter Operating in 4 20 mA Analog Output Mode 42 6 4 DIAGNOSTIC AND TROUBLESHOOTING 43 641 Anao ME seeded iio eed ite ito tedio 43 642 Smat Meler APPENDIX A TRANSIENT PROTECTOR INSTALLATION INSTRUCTION 47 A T OVERVIEW chr ndm lt eris d tere perde ee 47 A 2 FEATURES AND BENEFITS e eene 47 ELECTRICAL CHARACTERISTICS
67. owing IN OUTPUT MODE The output is fixed at Leave output mode if message is a specific value you want to measure displayed The following SENSOR1 FAILED The sensor 1 is Check sensor 1 and message is STT25T only broken its wirings displayed The following SENSOR2 FAILED The sensor 2 is Check sensor 2 and message is STT25T only broken its wirings displayed The following XS DELTA The value of delta If you do not want to message is STT25T only delta PV1 PV2 is see this non critical displayed higher than the alarm status change delta level set by the user alarm value AND the option XS delta detection has been turned OFF 38 Smart Temperature Transmitter STT250 Operator Manual 53 Recommended Parts GENERAL DESCRIPTION STT250 Electronics Module METERS Replacement Smart meter Replacement Analog meter Meter mounting bracket kit Diode for Analog Meter HEAD MOUNT HOUSINGS Cable Conduit entry noted All have 12 NPT sensor entry Aluminium head mount housing M20 Aluminium head mount housing 1 2 NPT Flame proof cast iron head mount housing M20 Flame proof cast iron head mount housing 1 2 NPT FIELD MOUNT HOUSINGS All have NPT sensor and cable conduit entries Field mount housing base Aluminium beige epoxy polyester hybrid painted Field mount housing end cap Aluminium beige epoxy polyester hybrid painted Field mount housing meter cap Aluminium beige epoxy
68. r cold junction or resistance lead length The process value is post read validated for sensor wiring and signal integrity against reference values Digital data is then linearized and ranged to the lower and upper range values held in non volatile memory and converted back to an analog signal Any configuration changes are held in non volatile memory so that they are secured against power failure If a custom configuration was not specified the data programmed into the non volatile memory of the unit at the manufacturing location is the default shipping data shown below STT25M and STT25D STT25H STT25T STT25S Sensor type mV TC TC TCj mV Sensor fault detection ON Tag 1 D Short Tag Latching Disabled Line filter 50 Hz Amiens 60 Hz Phoenix Output type Non linear Linear Non linear Write protect Disabled N A Disabled Password 0000 N A 0000 Damping 0 second LRV Lower Range Value 200 C 20mV URV Upper Range Value 45 mV 1200 C 150mV Output mode Analog Digital DE conf 6 byte Single rng S V N A Long Tag NA Long Tag The data can be configured in the field by connecting a Communicator across the 4 20 mA wires or a PC The fail safe link between the and terminals determines where the output will drive when the STT250 detects an open sensor input or internal failure The unit will drive upscale to 21 8 mA when the fail safe link is in the U position and downsca
69. raph 1 3 of standard EN 50014 The electrical parameters U I and P of the associated apparatus connected to the power terminals must not exceed the following values Ui lt 30V li lt 165 mA Pi lt 1 2 W The electrical parameters L and C of the apparatus connected to the sensor entry terminals 1 2 3 and 4 cabling parameters included must not exceed the following values Cext 2 uH Lext 2mH Certification ambient operating temperature 50 C to 85 C Standard specification ambient limits 40 C to 85 C Temperature classifications IS ia 4 20 mA DE Flameproof d T6 up to Ta lt 40 C T6 up to Ta lt 80 C T5 up to Ta lt 55 C T5 up to Ta lt 85 C T4 up to Ta lt 90 C Enclosure classification IP 66 67 Type 4X Power supply to field wiring terminals Ucc lt 35 V Output Signal 4 20 mA EN11 6190 A3 Addendum to EN11 6190 6 of 10 Honeywell Special conditions Ambient operating temperature 50 to 85 C for safe use Flameproof Installation Specific Parameters Supply Voltage 11 30 Vdc for Non Sparking Zone 2 Installation Honeywell certified Ambient Temperate Limits 50 C to 85 C Supply Current 23 mA Temperature Classification T6atTa lt 80 C T5 at Ta lt 85 C Special Conditions The installation of this equipment in Zone 2 hazardous areas must comply for Safe Use with VDE specification 0165 EN 60079 14 EN 60079 15 and or val
70. rms that the delicate moving coil connections have been damaged and that the meter should be replaced 6 4 2 Smart Meter Every time power is cycled to the transmitter meter combination the Smart Meter runs a self test to check internal operations and switches on all display segments as shown in Figure 15 for up to 10 seconds This enables confirmation of their operation 17 SEGMENT BARGRAPI to 100 0 DIGITAL READOUT Maes PLAS ENGINEERING UNIT 19990 to 19990 a INDICATOR v STATUS MESSAGE PUSH BUTTON LOCATION Figure 15 Horizontal Style Bargraph 6 4 2 1 Failed self test If the self test fails the display will go blank i e revert to the unpowered display showing only the basic bargraph outline Note that some of the temporarily switched on segments should only be seen with an STT250 in this initial self check e g K for a 1 000 engineering unit multiplier only for readings over 20 000 GPH GPM mmHg PSI FLOW and inH20 only used for flow and pressure transmitters ANALOG is switched on the LCD if the transmitter output signal is 4 20 mA analog The Normal display should have a partially switched on bargraph corresponding to the transmitter of span output signal and the corresponding digital display in of the selected units Smart Temperature Transmitter STT250 Operator Manual 43 6 4 2 2 Meter Fault Conditions The various possible fault conditions with
71. rnal of the European Communities No L 100 1 on 19 April 1994 The following information is provided as part of the labeling of the transmitter e Name and Address of the manufacturer Honeywell Automation India Ltd 56 amp 57 Hadapsar Industrial Estate Pune 411013 India e Notified Body identification KEMA Ouality B V Arnhem the Netherlands CE 0344 e Forcomplete model number see the Model Selection Guide 34 44 16 03 for the particular model of temperature transmitter The serial number of the transmitter is located on the module label For models STT25M STT25D and STT2ST the serial number is 10 characters 0 through 9 long The last two characters are fixed 37 The first character 0 is a B Characters 2 and 3 are the week of manufacture and the single character 4 is the year of manufacture The serial number consists of characters 1 4 6 and 7 e For model STT25Hand STT2SS the serial number is characters 0 through 3 and the single character 4 is the year of manufacture Apparatus Marked The user must determine the type of protection required for installation the with Multiple eguipment The user shall then check the box v adjacent to the type of protection Types of used on the eguipment certification nameplate Once a type of protection has been Protection checked on the nameplate the eguipment shall not then be reinstalled using any of the other certification types Label 50019638 001 ia 4 20 mA
72. s a listing the DD files that should be used with a revision of the transmitter firmware Firmware Revision SDC625 HCF DD files Rosemount 375 Emerson DD Files 0 99 0101 fm6 17090101 hdd 17090101 hhd 1 0 0101 fm6 17090101 hhd 17090101 hdd Location of the DD files The HCF DD files are located at http hpsweb honeywell com Cultures en US Products Instrumentation SoftwareTools MCToolkit SoftwareDownloads document s htm Emerson DD Files are located at TBD DD Installation Instructions MC Toolkit SDC625 Copy the files to the following Release folder structure under SDC625 installation directory on the Pocket PC Release 000017 0009 Rosemount 375 e Copy the files to the 375 Easy Upgrade Utility installation folder C Program Files 375 Easy Upgrade Utility PC Database DD HART e Update the DD files on the 375 SD Card following the Easy Upgrade instructions 10 Smart Temperature Transmitter STT250 Operator Manual 4 BENCH CHECK INSTALLATION COMMISSIONING 4 1 Unpacking Unpack the unit and verify the contents are as ordered 4 2 Eguipment If a bench check is intended the eguipment needed is Y an input sensor s suitable for the required application or an equivalent calibrator which can simulate milli volts resistance temperature detector thermocouple or resistance ohms inputs Y nominal 24 Vdc power supply with less than 100 mV peak ripple and able to supply at
73. ssible via a hole on the side of the indication meter This push button enables configuration of the preferred engineering unit and meter zero span calibration for a 4 20 mA signal When the loop power is applied the Smart Meter runs a self test diagnostic for about 10 seconds to determine correct loop operation and if a digital DE signal is present whether it is a 4 or 6 byte PV signal Since most transmitters supplied with the Smart Meter operate in 6 byte digital DE output mode this approach is covered first If diagnostic displays are present on the meter e g OUTPUT MODE BAD XMTR STATUS or FAULT LAST KNOWN VALUE refer to Diagnostic and Troubleshooting Section 6 4 6 3 1 Transmitter Operating in 6 Byte Output Mode Press button on the side of the meter to scroll through the display codes to the preferred engineering unit selection The display codes are EU1 EU2 EUF and CAL For the STT250 gives C displayed on the LCD screen EU2 gives F displayed on the LCD screen converts to K add on the stick on label EU4 converts to R add on the stick on label EU5 converts to mV add on the stick on label EU6 converts to Volts add on the stick on label EU7 converts to Ohms add on the stick on label EU8 to EUF gives of span displayed on the LCD screen Ignore CAL at this stage or refer to Section 6 4 3 Press and hold the button until the desired display code appears Release the button and th
74. t 80 C T5 up to Ta lt 55 C T5 up to Ta lt 85 C T4 up to Ta lt 90 C Enclosure classification IP 66 67 Type 4X Power supply to field wiring terminals Ucc lt 35 V Output Signal 4 20 mA EN11 6190 A1 Addendum to EN11 6190 9 07 9 07 EN11 6190 A1 Addendum to EN11 6190 7 of 10 Special conditions for safe use Flameproof Installation Specific Parameters for Non Sparking Zone 2 Installation Honeywell certified Special Conditions for Safe Use Non Sparking Zone 2 Installation Honeywell certified Supply Voltage Supply Current Ambient Temperate Limits Temperature Classification Ambient operating temperature 50 to 85 C 11 30 Vdc 23 mA 50 C to 85 C T6 at Ta lt 80 C T5 at Ta lt 85 C The installation of this equipment in Zone 2 hazardous areas must comply with VDE specification 0165 EN 60079 14 EN 60079 15 and or valid national standards for installation and operation Before commissioning of this equipment it must be verified that the power supply voltage cannot exceed the 35 Vdc maximum for 4 20 mA analog DE and HART equipment The electronic assemblies in these units are non repairable items and if faulty must be replaced The electrical power supply must be switched off before any replacement and during any time that the wiring terminations are being connected or disconnected 9 07 Honeywell 51452733 Revision C DECLARATION O
75. the housing and the internal electronic components from several thousand volts to a low and safe level A 2 Features and Benefits The weatherproof transient protectors are sealed in epoxy in a inch stainless steel pipe nipple This is done to ensure that their performance is not affected by severe environmental conditions Other benefits of transient protectors are e Two stage protection e Acommon chamber three element gas tube which assures ultra fast and balanced clamping e solid state portion which holds the clamping voltage at a very low safe level e Symmetric construction which assures equal performance in either polarity in surges or loop current A 3 Electrical Characteristics Table A 1 lists the electrical characteristics of transient protectors Table A 1 Electrical Characteristics Compatibility Supply voltage Resistance to loop added DC clamping level L L line to line 36 V 10 L G line to ground L G 800 to 1000 V Surge 500A 10 x 1 000 us 400 Min Smart Temperature Transmitter STT250 Operator Manual 47 4 Installation Procedure The procedure in Table A 2 outlines the steps for installing a transient protector external to an STT 3000 Series STT250 transmitter mounted inside a field mount housing with a 1 2 NPT conduit entry For direct head mount housings the ground terminal referred to in step 7 below may not exist and another means of direct ground connection will need
76. 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 Select linear non linear reading i e Linear for C etc Non linear for Q and V Enable disable sensor break detection Set damping time e g 0 second Write change LRV and URV Set LRV and URV Read URL upper range limit LRL lower range limit and span Read process value and cold junction value in engineering units Read output in 96 of span Read STT250 s software version Read fail safe direction configured by link Set reset user calibration to specific sensor Set 0 and 100 output calibration Force output current Read write scratch pad Select broadcast type 4 or 6 bytes Digital DE only 6 bytes broadcasts PV and transmitter database while 4 bytes broadcasts PV only Enable disable write protect Select 50 Hz 60 Hz power line filter Enable disable latching Latching means the alarm needs acknowledgment Press STATUS key to acknowledge the alarm If latching is disabled the STT250 will leave the alarm mode as soon as the alarm cause disappears Change to NAMUR output levels EEE dk o EEE de e lt 7 Not available on STT25D 4 Smart Temperature Transmitter STT250 Operator Manual 3 2 2 HART Communicator Model 275 for STT25H Models The HART Communicator communicates by connecting across the 4 20 mA wiring Communication is by a high freguency carrier s
77. tible interfaces Model STT25H provides the HART protocol output The terminal assembly is blue for visible differentiation W Model STT25S provides the HART 6 0 protocol output and TUV SIL 2 safety rating The terminal assembly is blue for visible differentiation W Model STT25T provides two sensor inputs a primary and a secondary and can compare them either for redundant switch over except with RTD RTD or as an indicator of sensor degradation These two inputs may be both thermocouples both RTD s or one of each It is configurable with the HART hand held communicator or a PC based HART maintenance system such as Cornerstone The STT250 is based on a rugged compact package with encapsulated electronics for high reliability and includes facilities for spring loading of the sensor at a 33 mm pitch in accordance with DIN 43729 The unit is available either for DIN rail mounting or supplied in a variety of enclosures for direct sensor pipe or wall mounting See Figures 8 through 13 HART is a Registered Trademark of HART Communication Foundation The STT3000 Smart Temperature Transmitters are manufactured under at least one of the following patent numbers 4 734 873 4 592 002 4 587 466 4 553 104 4 494 183 Smart Temperature Transmitter STT250 Operator Manual 1 0 2 m lt O O O lt 9 z I O hm N n c 2 5 o o S c c o gt 2 1 opera
78. ting area communication 50 to 100 C 58 F to 212 F 40 C to 85 C 40 F to 185 F 4 g max over 15 200 Hz 3g operating communication area o su BE 2 20 K 9 4 1100 operating area communication 40 C to 85 C 40 F to 185 F S n n E c a n 55 55 a 5 23 C 73 F with shielded wires and mounted in metallic housing 30 V m without shielded wires 10 V m 0 2 of Max span t 0 196 of max span Ohms operating communication area In compliance with EMC directive 89 336 ECC CE MARK compliance Load resistance Humidity 10 to 55 5 to 95 5 to 100 5 to 100 RH Supply 24 V See Figure 1 voltage 2500 Vibration 1100 7 HART operating area DE operating area Figure 1 Operating Areas Smart Temperature Transmitter STT250 Operator Manual 3 THEORY OF OPERATION 3 1 Basic Operation As shown in Figure 2 the transmitter is powered via the 2 wire 4 20 mA signal connected to the and terminals on the output side of the module Inputs are sampled and the input sampling output update rate is once per second digitized by the A D converter Data is then transferred across the galvanic isolation interface both power supply and signal interface of the A D converter are galvanically isolated compensated fo
79. tions resistor and minimize electrical noise in the loop After successful power up the display shows OUTPUT MODE and the bargraph flashes while the digital display flashes a value 0 0 to 100 0 This means that the transmitter went to fixed output mode while operating as a digital output device Connect the configuration tool and press OUTPUT CLEAR to revert to normal operation The display shows ANALOG 0 0 and no bargraph segments switch on This means that the Smart Meter reguires calibration to the transmitter operating in 4 20 mA analog output mode See Section 6 4 3 44 Smart Temperature Transmitter STT250 Operator Manual 6 4 3 4 20 mA Analog Mode Calibration of Smart Meter Calibration is beneficial to ensure display accuracy with a 4 20 mA analog signal It is unnecessary to recalibrate the meter since all Smart Meters are factory calibrated before shipment However the facility is included in case recalibration for time drift or transmitter end point offsets are required Basically accurate 4 and 20 mA signals are provided to the meter with the CAL configuration button selected The 4 and 20 mA signals can be conveniently provided by using the configuration tool to switch the transmitter to OUTPUT MODE The full calibration procedure for a Smart Meter is e Step 1 Put control loop to Manual and use the configuration tool to establish communications Put the transmitter into 0 output mode by pressing
80. und Terminal RED TO OUTPUT WIRING BLACK Earth Ground 46188469 201 Figure A 1 Typical wiring of transient protector to STT250 transmitter Smart Temperature Transmitter STT250 Operator Manual A 6 FMControl Drawing 46188466 201 CERTIFICATION DOCUMENT ENGINEERING CHANGE ORDERS ECO s MUST BE AUTHORIZED BY APPROVALS ENGINEERING PRE DESIGN DESIGN RELEASE RELEASE 30 01 98 06 02 98 TOLERANCES Y MONTES MATIERE FINITION 00 TRAITEMENT 3 ECO 0030039 Ajout VERIF cablage pour 30 0 03 02 duol sensors 2 2 pour ojouter montage avec Surge protector 5 250 17 2 Smart Temperature Transmitter 88 Factory Mutual ENGINEERING POJ MANAGER 03 02 s intrinsically Safe Control Drawing CONTROLE DES PERFORMANCES WALI TY ENGINEER 03 02 ASSEMBLAGE SUIVANT MANUF ACT OR AND PURCH MANAGER 03 02 46188466 201 50 Smart Temperature Transmitter STT250 Operator Manual 2 wires RTD 3 wires RTD 4 wires RTD or 2 wires ohm or 3 wires ohm or 4 wires ohm L 4 wires DUAL SENSORS DUAL SENSORS DUAL SENSORS 2 x TC TC and RTO x RTD Input sensor wiring connections Note 941 Smart Temperature Transmitter STT250 Operator Manual 51 NONHAZARDOUS LOCATION wn 12 13 HAZARDOUS CLAS
81. uperimposed onto the 4 20 mA signal The HART transmitter transmits by modulating the 4 20 mA DC loop current with a 1 MA p p AC current signal This modulated signal does not disturb the output signal PV since the average value of the communication signal is zero Thus it is unnecessary to put the loop on manual control with Model STT25H Supported Commands Read write ID Select sensor type Select units Write change LRV and URV Set LRV and URV Select damping time Read URL and LRL Read process value and cold junction value Read analog output Read PV Read Output Read CJ Read STT250 s software version Read fail safe direction Set reset user calibration Set 0 and 100 output calibration Read write scratch pad Force output current Enable disable latching Read write multidrop address Read device status Set clear write protect Read write message descriptor date 4e oec doo d We X o0 EEE EEE Smart Temperature Transmitter STT250 Operator Manual 5 3 2 3 HART Communicator Model 275 for STT25T Models The HART Communicator communicates by connecting across the 4 20 mA wiring Communication is by a high freguency carrier superimposed onto the 4 20 mA signal The HART transmitter transmits by modulating the 4 20 mA DC loop current with a 1 MA p p AC current signal This modulated signal does not disturb the output signal PV since the average value of the communication signal is zero Thus it is unnecessary t
82. wed by gt to access the transmitter database and configure it as reguired As mentioned earlier the default shipping mode for units is 0 45mV input 0 45 mV range You can now customize the unit to your specific application The flow chart in Figure 6 gives a simplified overview of selections and key strokes In summary pressing gt selects a menu pressing A or Vv accesses the selections of any category pressing steps back to the previous menu 18 Smart Temperature Transmitter STT250 Operator Manual You can check out the performance by varying the input and observing the output response on the DVM Figure 6 Flow Chart for STT25 H Configuration Smart Temperature Transmitter STT250 Operator Manual 19 4 5 4 HART Configuration STT25T Model 1 Turn on the power supply and the HART Communicator 2 Onpowerup the communicator will display Self Test in Progess verify proper operation and display STT25T xxxxxxxx xxxxxxxx represents the tag and On line The process values PV1 PV2 Delta PV1 PV2 and Range are displayed a few seconds later NOTE Even though the transmitter is working properly the HART Communicator may display Input Open Press NEXT Sensor 1 failed or Sensor 2 failed message or both is displayed Press NEXT again Ignore next 50 occurrences of status is displayed Confirm with YES to correct the problem The cause is probably one of the fo
83. ws through the module and sensor mounting 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 STT250 field mount housing or integral to the housing For remote installations the sensor wiring should be run in shielded twisted pair wiring and connected via one of the housing wiring entries For explosionproof flameproof installations ensure that the cable entries are fitted with flameproof adaptors and that the wiring grade complies with local standards Note that for internal spring loading applications including flameproof requirements the direct head mount housing should be ordered with the sensor to incorporate the flame trap Then connect the sensor wiring to the appropriate input terminals Ensure that you have selected the desired failsafe link direction up down Connect the output 2 wire signal to power connections Screened twisted pair wiring is recommended but not essential The connection route to the receiving device may be run in multicore cable without any cross talk concerns for either HART or DE protocol units However ensure that no digital I O signals co exist in the same multicore as HART protocol signals since these signals can cause interference Ga
84. ype Examination Certificate number Deviation from the installation conditions in this manual may invalidate this product s conformity with the Explosive Atmospheres Pressure Equipment and EMC Directives Conformity of this product with any other CE Mark Directive s shall not be assumed 2 of 10 EN11 6190 A1 Addendum to EN11 6190 9 07 Marking Honeywell s Model STT 3000 Smart Temperature Transmitter with the following ATEX Directive nameplates attached has been certified to comply with Directive 94 9 EC of the European Parliament and the Council as published in the Official Journal of the European Communities No L 100 1 on 19 April 1994 The following information is provided as part of the labeling of the transmitter Name and Address of the manufacturer Honeywell Phoenix AZ 85053 USA Notified Body identification KEMA Quality B V Arnhem the Netherlands 0344 e Forcomplete model number see the Model Selection Guide 34 44 16 03 for the particular model of temperature transmitter The serial number of the transmitter is located on the module label For models STT25M STT25D and STT2ST the serial number is 10 characters 0 through 9 long The last two characters are fixed 37 The first character 0 is a B Characters 2 and 3 are the week of manufacture and the single character 4 is the year of manufacture The serial number consists of characters 1 4 6 and 7 e For model STT25H and STT25S the seri
85. zontal Style Bargraph seen 43 Figure A 1 Typical wiring of transient protector to STT250 transmitter 49 iv Smart Temperature Transmitter STT250 Operator Manual 1 OVERVIEW 1 1 Introduction The STT250 Smart Temperature Transmitter is a microprocessor based unit suitable for accepting a wide variety of thermocouple and resistance temperature detector sensor inputs or direct ohm or milli volt inputs and providing a 2 wire 4 20 mA Analog digital DE or analog HART proportional output The transmitter offers high accuracy and stability together with wide flexibility to suit a wide range of applications All adjustments and operational settings are implemented through the Smart Field Communicator DE or the HART communicator HART Both field communicators access the transmitter by connecting across the 4 20 mA wiring in parallel with the STT250 anywhere along the wiring up to 1500 meters from the transmitter for both the DE and HART protocol versions Note 1500 m is the maximum HART cable length but may be restricted by cable capacitance limits Model STT25M provides a 4 20mA analog output and is configurable with the Honeywell Smart Field Communicator SFC or the PC based Smartline Configuration Toolkit SCT m Model STT25D provides both the 4 20mA analog output as in Model STT25M or the digital DE protocol for digital integration to the Honeywell control system or other compa

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