FAHM Co. Temperature Transmitter PTT74 Series

Transcription

1 FAHM Co. PTT74 Series The PTT74 is a versatile temperature transmitter that delivers field reliability and advanced accuracy and stability to meet demanding process needs. PTT74 Family of Transmitters Fit your needs within one model family with a customizable transmitter design DIN Head mount and Rail mount form factors 4-20 ma /HART with Selectable Revisions Enhanced Display with Local Operator Interface LCD Display Integrated Transient Protection Enhanced Accuracy and Stability Variety of enclosures Page 1

2 PTT74 HART transmitters PTT74 is a smart 2-wire transmitter for temperature and other universal input measurement applications. Is fully HART-compatible. Provides excellent flexibility, low storage and installation costs. The high reliability ensures a safe system operation and low maintenance costs. Input Resistance thermometer (2,3,4 wire circuit) Thermocouples B,C,E,J,K,L,N,R,S,T,U Resistance remote signaling Unit( Ohm) Voltage, mv ( mv) Output 2-wire technique 4 20 ma Operating Temperature -40 C to 85 C Electrical isolation between input and output(i/o Isolation) Digital low drift processing of measurement values Customer specific linearization 32 tie points Continuous sensor self-monitoring Parameters saved permanently in EEPROM Monitoring of ADC and DAC parameters every 1 sec Wire break monitoring acc. With NAMUR NE 89 Dual Input functionality Absolute, differential, average values Parameterization (Software configuration) Smartware Calibration Tools (SCT) Siemens PDM Software ABB SMART VISION Software Hand held terminal: DHH691, 691HT, STT04, HC275, HC374, HC475 Approval for explosion protection Intrinsically safe II 2 G EEx ib IIC T6, mount in zone 1 II 3 G EEx na II T6, mount in zone 2 Page 2

3 Ordering Information: Model PTT74 Product Description Temperature transmitter Transmitter Type H R Head Mounted Rail Mounted Channel Types Head Rail A Single Channel B Dual Channel - Transmitter Output Head Rail A 4 20 ma with Digital Signal Based on HART Protocol - Product Certifications Head Rail NA No approval I1 ATEX Intrinsic Safety E1 ATEX Explosion Proof - N1 ATEX Type n K1 ATEX Intrinsic Safety; Type n KA ATEX Explosion Proof; Intrinsic Safety; Type n - Enclosure Material Entry Size Process Head Rail H0 No Additional Enclosure H1 H2 H3 Universal Connection Head with 1 Elec. Entry Universal Connection Head with 2 Elec. Entries Universal Connection Head with 2 Elec. Entry and Glass Window for Local Indicator Aluminum M20 x 1.5 ½ NPT - Aluminum M20 x 1.5 ½ NPT - Aluminum M20 x 1.5 ½ NPT - Mounting Bracket Option Head Rail B4 316 SST U-bolt Mounting Bracket, 2-in pipe mount - Display and Interface Option Head Rail M4 LCD Display with Local Operator Interface - M5 LCD Display - Software Configuration Option Head Rail C1 Custom Configuration of Date, Descriptor and Message (Requires CDS with order) Alarm Level Configuration Option Head Rail A1 NAMUR alarm and saturation levels, high alarm CN NAMUR alarm and saturation levels, low alarm Line Filter Option Head Rail F5 50 Hz Line Voltage Filter Page 3

4 F6 60 Hz Line Voltage Filter 5-Point Calibration Option Head Rail C4 5-point calibration. Use option code Q4 to generate a calibration certificate Calibration Certificate Option Head Rail Q4 Calibration certificate. 3-Point calibration with certificate External Label Option Head Rail EL External label for ATEX Intrinsic Safety Assemble Sensor Option Head Rail XA Sensor Specified Separately and Assembled to Transmitter Typical Rail Mount Model Number: PTT74-R-A-K1-H0-T0 Typical Head Mount Model Number: PTT74-H-A-K1-H3-T2 B4 M4 Page 4

5 Technical Overview PTT74 Output Output signal (temperature linear) 4 20 ma Residual ripple(peak-to-peak) < 5 ua Nonlinearity Error < % Current consumption < 3.6 ma Max. Output current 23.6 ma Load resistance < 1 K Ω Parameterizable Current error signal Under ranging 3.6 ma Over ranging 22 ma Default Value 3.6 ma ma Input Resistance Resistance thermometer n Pt100/Ni100/CU100 to Pt1000/Ni1000/Cu1000 (n = 0.1, 0.2, 0.5, 1, 1.2, 2, ) Resistance / Measuring current 210µA Sensor short-circuit < 5 (for RTD) Input Filter 50/60 Hz Thermocouples Types B,C,E,J,K,L,N,R,S,T,U Voltages -125 mv mv Open circuit test current 100nA Cold junction compensator Type PT100, via software switchable Resolution 0.01 C Accuracy 0.05 C (After software calibration ) Programming Method Protocol HART Programming Software Device Management Tool Handheld Terminal (DHH691, 691HT, STT04, HC275, HC374, HC475 ) HART Modem (FAHM Co. SMARTWARE Calibration Tool, ABB SmartVision Software, Siemens PDM Software) SCT Calibration Algorithms Linearization SCT Parameter Sensor type, measuring range, Calibration Algorithm, error signaling, Compensating switch,general characteristics (i.e. TAG name), Signal simulation of compensator, input and output, Output monitoring(trend viewer), Device Diagnostic Mechanical construction Weight 65 g (Head Mounted without enclosure) 235 g (Rail Mounted) Housing material/color Polyamide / Yellow Electrical connection Terminals, pluggable 2.5 mm2,screw terminals Page 5

6 General characteristics Output signal refreshment rate With sensor monitor Resistance: 0.7 s Thermocouple: 0.5 s Without sensor monitor Resistance: 0.5 s Thermocouple: 0.3 s Electrical isolation (I/O/P) 1 kv AC(60s) Long-term stability < 0.1 % p.a. Environment conditions Ambient temperature range C Transport and storage temperature C Relative humidity < 100% (100% humidity with isolated terminals only) Condensation Permitted Power Supply Supply voltage For Ex application: VDC For non Ex application VDC Max residual ripple < 1 % Us (<500Hz) Influence of supply voltage ±0.01 % / 10V Accuracy PT100 Thermocouples Resistance 500Ω/5000Ω Voltage 120mV/1200mV Explosion protection Intrinsically safe Zone 1 ±0.1 K ±20uV ±20 mω/±100 mω ±20 uv /± 50uV Marking II 2 G EEx ib IIC T6 Temperature Class T6/T5/T4 < 50 C /65 C /85 C Supply Circuit Output Measuring Max Voltage Ui = 29.4 V Uo=5 V Short-circuit current Ii = 130 ma Io=3.2 ma Max Power Pi = 0.8 W Po=16 mw Internal inductance Li= 240 uh L0=1 mh Internal capacitance Ci= 10 nf Co=10uF Zone 2 Marking II 3 G EEx n A II T6 Temperature Class T6/T5/T4 < 50 C /65 C /85 C Page 6

7 Measuring Ranges Input Element Standard Sensor Measuring Range Min. Measuring span Thermocouple type B C ( F) 235 C (423 F) Thermocouple type E C ( F) 30 C ( 54 F) Thermocouple type J C ( F) 37 C ( 67 F) IEC 584_1 Thermocouple type K C ( F) 54 C ( 98 F) Thermocouple type R C ( F) 171 C (308 F) Thermocouple type S C ( F) 193 C (348 F) Thermocouple type T C ( F) 50 C ( 90 F) Thermocouple type N C ( F) 60 C (108 F) DIN Thermocouple type U C ( F) 36 C ( 65 F) Thermocouple type L C ( F) 40 C ( 72 F) W3, ASTME 998 Thermocouple type C C ( F) 163 C ( 294 F) Thermocouple type D C ( F) 135 C ( 243 F) IEC 751; JIS; SAMA 1 Resistance thermometer Pt C ( F) 15 C ( 28 F) 2-3 and 4 wire Resistance thermometer Pt C ( F) 50 C ( 90 F) DIN 43760² Resistance thermometer Ni C ( F) 8 C ( 15 F) 2,3 and 4 wire Resistance thermometer Ni C ( F) 15 C ( 28 F) Resistance Ω /50 5Ω / 5Ω Voltage mv 125 mv mv 2 mv 125 mv mv 50 mv 1) IEC 751 a = , JIS a = , SAMA a = ) Edison Curve No. 7 Page 7

8 PTT74 Head Mounted Dimensional Diagram Only used the M3 4.5 mm screws supplied or screws of the same type for the connecting terminals. Longer screws will damage the transmitter. In this case, the explosion-proof PTT74-Ex transmitter is no longer protected against explosions and its certification is rendered invalid. PTT74 Head Mounted Connection Diaphragm PTT74 Head Mounted Hart Configuration Diagram Page 8

9 PTT74 Rail Mounted Dimensional Diagram PTT74 Rail Mounted Connection Diaphragm PTT74 Rail Mounted Hart Configuration Diagram Page 9

10 Schematic Drawings Explosion View PTT74-H3 Page 10

11 Explosion View PTT74-H3 Page 11

12 Explosion Viwe PTT74-H1 Page 12

13 Dimensional View PTT74-H2 & H3 Dimensional View of Brackets PTT74-H2 Page 13

14 Product Certifications: PTT74: II 2 G Ex ib IIC T6, II 3 G, Ex na II T6, T6(Ta +50 C) Rated Voltage: V Output Signal: 4-20 ma I1 ATEX Intrinsic Safety; Type n Certificate: CESI 09 ATEX 049X Standards: EN : 2006, EN : 2007, EN :2005 Intrinsically safe II 2 G Ex ib IIC T6, mount in zone 1 II 3 G Ex na II T6, mount in zone 2 FAHM Co. FARABOARD HOUSHMAND MIHAN Main Office: Unit 8, 4th Floor, No.37, Tohid St., Tehran, Iran Tel: Fax: Factory: Garmsar Industrial Zone, Sanat 2 St. sales@faraboard.com Page 14