Honeywell STT25D Operator'S Manual Download Page 28

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Smart Temperature Transmitter STT250 – Operator Manual

MISCELLANEOUS PARTS

Adaptor plate to install module in field mount housing

46188423-501

Accessories kit (DIN rail clip, terminal screws, fail-safe link,
spring loading mounting set)

46188465-501

Spring loading mounting set

46188416-501

DIN rail mounting clip (top hat/"

Ω

" or "G" rail)

46188431-501

Carbon steel mounting bracket for 2" pipe
(for use with field mount housing)

30755905-001

Stainless steel mounting bracket for 2" pipe
(for use with field mount Housing)

30671907-001

1/2"NPT to M20 x 1.5 conduit adaptor (flameproof EEx d)

46188203-501 (Amiens)
46188203-001 (Phoenix)

1/2"NPT to 3/4"NPT conduit adaptor

51196567-501 (Amiens)
51196567-001 (Phoenix)

Transient protector (external to housing)

30755970-501

Stainless steel wired-on customer ID tag

46188051-001

LITERATURE

SFC operating card

34-ST-11-16

English operator manual

EN1I-6190

French operator manual

FR1I-6190

Spanish operator manual

SP1I-6190

5.4

Wiring and Installation Drawings Numbers

FM external wiring diagram

46188466-201

CSA external wiring diagram

46188466-202

Meter connections

46188461-201

Spring loading and sensor assembly

46188463-201

Pipe mounting dimensions

46188468-201

Wall mounting dimensions

46188467-201

Typical wiring of transient protector to STT250
transmitter

46188469-201

DIN rail mounting

46188464-201

Aluminium direct head mount housing

46188452-0XX

Cast-iron direct head mount housing

46188453-0XX

Stainless steel direct head mount housing

46188454-0XX

Plastic direct head mount housing

46188455-0XX

Summary of Contents for STT25D

Page 1: ...Product of France Issue 6 02 00 EN1I 6190 STT 3000 Series STT250 Smart Temperature Transmitter Models STT25D STT25H STT25M Operator Manual ...

Page 2: ...OUNDING AND SHIELDING TECHNIQUES 8 4 5 STT250 CONFIGURATION 8 4 5 1 Analog Output Configuration based on STS103 8 4 5 2 DE Digital Output Configuration 11 4 5 3 HART Configuration 12 4 6 MOUNTING 14 4 6 1 DIN Rail Mounting 14 4 6 2 Mounting Module in Housing 14 4 7 COMMISSIONING 18 4 8 START UP 18 5 MAINTENANCE TROUBLESHOOTING 19 5 1 MAINTENANCE 19 5 2 TROUBLESHOOTING 19 5 2 1 Troubleshooting with...

Page 3: ...re 3 Output Sensor Wiring Connections 8 Figure 4 Flow Chart for analog and DE Configuration 10 Figure 4 1 Specific Flow Chart for DE Configuration 11 Figure 5 Flow Chart for HART Configuration 13 Figure 6 DIN Rail Mounting 14 Figure 7 Wall Mounting Dimensions 15 Figure 8 Pipe Mounting Dimensions 15 Figure 9 Spring Loading and Sensor Assembly 16 Figure 10 Aluminium Direct Head Mount Housing Dimensi...

Page 4: ... but may be restricted by cable capacitance limits n Model STT25H provides the HART protocol output The terminal assembly is blue for visible differentiation n 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 n Model STT25D provides both the 4 20mA analog output as in Model STT25M or...

Page 5: ... compliance In compliance with EMC directive 89 336 ECC without shielded wires 10 V m 0 1 of Max span with shielded wires and mounted in metallic housing 30 V m 0 1 of max span 2 1 1 Physical Specifications The STT250 is available in 3 physical variations to suit various application requirements Load resistance Ohms DE operating area 0 0 0 HART operating area Supply voltage Vdc 1100 100 Load resis...

Page 6: ...xxxxxx Sensor type mV Sensor fault detection ON Latching Disabled Line filter 50 Hz Amiens 60 Hz Phoenix Output type Linear Write protect Disabled 1 Password 0000 Damping 0 second LRV Lower Range Value 0mV URV Upper Range Value 45mV Output mode Analog DE or HART Digital DE conf 6 byte Single rng S V The data can be configured in the field by connecting a Communicator across the 4 20 mA wires or a ...

Page 7: ...econd Read URL upper range limit LRL lower range limit and span Read process value and cold junction value in engineering units Read output in 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 ...

Page 8: ...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 available with STT350 SCT does not support HART ...

Page 9: ...st contact your regional Technical Assistance Center TAC with the serial number Method 2 Open one of the 6 Generic Property Sheets set up to configure each of the following 1 Input Status Latching à On 2 Input Status Latching à Off 3 NAMUR Configuration à On 4 NAMUR Configuration à Off 5 Enable Database Write Protection 6 Disable Database Write Protection via user entered password NOTE Since no te...

Page 10: ...model 275 with STT25H ü connection wiring and 250 ohms resistor ü a 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 equipment including the transmitte...

Page 11: ...0 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 4 5 1 Analog Output Configuration based on STS103 1 Turn on the power supply and the SFC On power up th...

Page 12: ...d Prev or to scroll through the different categories Press Menu Item to access the possible selections of any category the è key steps on to the next selection while the ç key steps back to the previous selection Note that with the Menu Item key you can only move to the right 5 When a desired configuration item appears on the SFC display this item may be configured in the SFC Hold memory by pressi...

Page 13: ...r LATCHING CONFIG Enter CHG LATCHING CFG NAMUR CONFIG Enter CHG NAMUR CFG WRITE PROTECT Enter CHG WRITE PROT DAMP C UNITS D LRV E URV F SET G OUTPUT J CORRECT K PREV L M 7 N 8 O 9 P Q A DE 4 R 5 S 6 T STAT U F S DIR 1 V 2 W 3 X SW VER SPAN Y URL 0 Z SCR PAD NUM ALPHA SHIFT CLR NO ENTER YES NON VOL NEXT H MENU ITEM I RESET INPUT LRL SER READ CJ Figure 4 Flow Chart for analog and DE Configuration ...

Page 14: ...ital 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 4 to configure the DE mode parameters and to set your STT25D for DE communications operation ADDITIONAL NOTE Not all failsafe mode selections apply for given type of transmitter operation Keys Shift...

Page 15: ...ator 2 On power up the communicator will display Self Test in Progess verify proper operation and display STT250 Temp xxxxxxxxxx xxxxxxxxxx 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 Sensor failure Press NEXT Sensor 1 failed is displayed Press NE...

Page 16: ... Sensor Name Line filter PV Damp PV LRV 4 Detailed PV URV Setup PV range Analog Output HART Output Model Tag Message Dev id Break detect Latching alarm on off 5 Review Latch clear Sensors Signal Condition Output Condition Device Information Alarm Write protect 1 2 3 4 Sensor selection Write protect WP on off Change pwd Apply values Enter values Correct input LRV Correct input URV Reset Corrects 1 ...

Page 17: ...are screwed to the bottom lugs of the module INSTALLATION WITH G DIN RAIL RIGHT VIEW INSTALLATION WITH TOP HAT DIN RAIL RIGHT VIEW 46188464 201 31 1 22 41 4 1 63 G DIN RAIL TOP HAT DIN RAIL PROTECTIVE CAP 44 4 1 75 Figure 6 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 mo...

Page 18: ... 59 FIELD MOUNT HOUSING WITH METER RIGHT VIEW FIELD MOUNT HOUSING WITHOUT METER RIGHT VIEW 14 9 0 59 CLEARANCE FOR CAP REMOVAL CLEARANCE FOR CAP REMOVAL A B A B 142 5 59 40 1 57 191 5 7 54 60 2 36 61 8 2 43 39 1 54 94 3 7 115 4 53 129 5 5 1 46188468 201 Figure 8 Pipe Mounting Dimensions Dimensions Aluminium field mount housing 316 Stainless Steel field mount housing A B A B Without integral meter ...

Page 19: ... 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 ...

Page 20: ...ure 10 Aluminium Direct Head Mount Housing Dimensions CC section BB section 46188455 0XX 2 x M4 26 5 57 AA section 33 2 x M4 A A 85 1 2 NPT 1 2 NPT or M20 57 A A 26 5 Figure 11 Plastic Direct Head Mount Housing Dimensions AA section BB section 46188453 0XX 1 2 NPT or M20 2 x M4 2 x M4 111 104 1 2 NPT 33 mm 41 Figure 12 Cast Iron Direct Head Mount Housing Dimensions ...

Page 21: ...t 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 then 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...

Page 22: ...m a similar signal is coming from the field and power is available on the two wires of the 4 20 mA loop This isolates the problem to either field loop or receiving instrument power supply wiring safety barriers etc If the original symptom was an unstable input it could be a loose connection on the receiving side Assuming the above confirms a field loop problem the likely causes actions are given b...

Page 23: ...tance is not excessive Unstable onscale input STATUS CHECK O K since any identified problem would give upscale or downscale fail safe Bad sensor wire connection Intermittent open circuit of sensor Wiring disturbed by strong electromagnetic interference Check connection and wiring for intermittent connections Check that sensor fault detection is ON this allows detection of a bad sensor Protect wiri...

Page 24: ...e same SPAN If this new URV exceeds the URL then this message appears Reduce the URV or SPAN before changing the LRV Non critical status message without sign USER CORR ACTIVE Transmitter has been trimmed for particular sensor range This can be done by keying in LRV URV CORRECT ENTER with exact LRV and URV input values to enable improved accuracy over the specifications When performing a Reset Corr...

Page 25: ... same SPAN If this new URV exceeds the URL then this message appears Make sure that LRV LRL and that URV URL Status is set to USER CORR ACTIVE USER CORR ACTIVE Transmitter has been trimmed for particular sensor range This can be done by keying in LRV URV CORRECT ENTER with exact LRV and URV input values to enable improved accuracy over the specifications When performing a Reset Correct command or ...

Page 26: ...and line resistance is not excessive Unstable onscale input None Since any identified problem would give upscale or downscale fail safe Bad sensor wire connection Intermittent open circuit of sensor Wiring disturbed by strong electromagnetic interference Check connection and wiring for intermittent connections Check that sensor fault detection is ON this allows detection of a bad sensor Protect wi...

Page 27: ...8454 501 Stainless steel head mount housing 1 2 NPT 46188454 502 Plastic head mount housing M20 46188455 501 Plastic head mount housing 1 2 NPT 46188455 502 FIELD MOUNT HOUSINGS All have NPT sensor and cable conduit entries Field mount housing base Aluminium beige epoxy polyester hybrid painted 46188472 501 Field mount housing end cap Aluminium beige epoxy polyester hybrid painted 30752006 501 Fie...

Page 28: ... Amiens 51196567 001 Phoenix Transient protector external to housing 30755970 501 Stainless steel wired on customer ID tag 46188051 001 LITERATURE SFC operating card 34 ST 11 16 English operator manual EN1I 6190 French operator manual FR1I 6190 Spanish operator manual SP1I 6190 5 4 Wiring and Installation Drawings Numbers FM external wiring diagram 46188466 201 CSA external wiring diagram 46188466...

Page 29: ...26 Smart Temperature Transmitter STT250 Operator Manual ...

Page 30: ... output in of span or in engineering units except with STT25H 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 en...

Page 31: ...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 ...

Page 32: ...confirmation of their operation DIGITAL READOUT 19990 to 19990 17 SEGMENT BARGRAPH 0 to 100 ENGINEERING UNIT INDICATOR PUSH BUTTON LOCATION STATUS MESSAGE 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 shou...

Page 33: ...itter operating in the digital output mode Cycle the power to see if the condition self clears If it recurs check loop wiring for adequate loop power ensure presence of the 250 ohm communications resistor and minimize electrical noise in the loop 5 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...

Page 34: ... pressing OUTPUT 1 0 0 ENTER 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 ...

Page 35: ...32 Smart Temperature Transmitter STT250 Operator Manual ...

Page 36: ...ipe nipple This is done to ensure that their performance is not affected by severe environmental conditions Other benefits of transient protectors are Two stage protection A common chamber three element gas tube which assures ultra fast and balanced clamping A solid state portion which holds the clamping voltage at a very low safe level Symmetric construction which assures equal performance in eit...

Page 37: ...t a suitable terminal box is also used Refer to Figure A 1 for typical wiring connections Table A 2 Transient Protector Installation Step Action 1 Unscrew housing cap 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...

Page 38: ...er STT250 Operator Manual 35 A 5 Wiring Reference Figure A 1 shows a typical wiring scheme of a transient protector to the STT 3000 Series STT250 46188469 201 Figure A 1 Typical wiring of transient protector to STT250 transmitter ...

Page 39: ...36 Smart Temperature Transmitter STT250 Operator Manual ...

Page 40: ...HONEYWELL S A Zone Industrielle de Longpré 80084 AMIENS Cedex 2 FRANCE ...

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