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PD301 - PD306 Head Mount 

SMART TEMPERATURE TRANSMITTERS 

PRECISION DIGITAL CORPORATION 

89 October Hill Road • Holliston MA 01746 USA 
Tel (800) 343-1001 • Fax (508) 655-8990 

 www.predig.com 

 

    

HART

® 

 

 

    

Non-HART 

  Smart Temperature Transmitters with HART

® 

Protocol 

  Universal Input: RTD, TC, Ohm & mV 

  Program with PC or HART Communicator 

  Low-Cost Model PD301, PC Programmable 

  Order Configured at the Factory Ready to Install 

  Explosion-Proof or General Purpose Connection Head 

  Transmitter Mounts Into Form B Connection Head 

  Operating Temperature: -40 to 85°C 

Summary of Contents for ExSense Series

Page 1: ... www predig com HART Non HART Smart Temperature Transmitters with HART Protocol Universal Input RTD TC Ohm mV Program with PC or HART Communicator Low Cost Model PD301 PC Programmable Order Configured at the Factory Ready to Install Explosion Proof or General Purpose Connection Head Transmitter Mounts Into Form B Connection Head Operating Temperature 40 to 85 C ...

Page 2: ... result in personal injury or property loss Anyone using this product for such applications does so at his her own risk Precision Digital Corporation shall not be held liable for damages resulting from such improper use Limited Warranty Precision Digital Corporation warrants this product against defects in material or workmanship for the specified period under Specifications from the date of shipm...

Page 3: ...ree PC software provided or using a handheld HART communicator The PD303 PD304 models include the head mount transmitter hockey puck and the connection head The PD305 PD306 models are complete temperature transmitter assemblies that include the connection head and temperature sensor The line of accessories include connection heads screw terminal blocks temperature probes thermowells and thermowell...

Page 4: ...robe PD306 A2 C0 P11R06 Exp Proof HART Temp Transmitter w FM CSA ATEX Connection Head 6 Pt100 Probe PDA8301 USB Adapter for Head Mount Transmitter PDA8302 HART to USB Modem Note HART models can be configured using the HTTemp PC software and PDA8302 USB to HART modem The input Type and Units cannot be changed with HART Communicators C0 Factory default C1 Custom configuration C2 Custom configuration...

Page 5: ...king 15 Mounting 15 Connections 17 Sensor 4 20 mA Output Connections 18 Connections to PC Communicator 19 HART Connections to PC Communicator 19 SETUP AND PROGRAMMING 20 Temperature Transmitter Software 21 4 20 mA Loop Current Setup 24 Parameter Setup 25 HART Information 27 Calibration 28 Graph Monitor 29 APPLICATION 30 PD302 HART Transmitter Remote Display 30 MOUNTING DIMENSIONS 31 TEMPERATURE PR...

Page 6: ... of Figures Figure 1 Sensor Loop Connectors 18 Figure 2 Sensor 4 20 mA Connections 18 Figure 3 Connections to PC with USB Modem 19 Figure 4 Connections to PC HART Communicator 19 Figure 5 Head Mount Transmitter Dimensions 31 Figure 6 Connection Head Dimensions 31 ...

Page 7: ...ROGRAMMING METHOD PD301 PDA8301 USB modem PC software PD302 PDA8301 USB or PDA8302 HART modem PC software or field handheld HART communicator UNDERRANGE 3 8 mA OVERRANGE 20 5 mA SENSOR BREAK Selectable 3 6 mA Low Alarm or 22 mA High Alarm RESPONSE TIME 1 second LONG TERM STABILITY Better than 0 05 per year START UP TIME Less than 5 seconds NOISE FILTER Programmable 0 to 85 µA DAMPING TIME Programm...

Page 8: ...1995 ENVIRONMENTAL Operating temperature range 40 to 85 C Storage temperature range 40 to 100 C Relative humidity 0 to 90 non condensing CONNECTIONS Screw terminals accept 12 to 22 AWG ENCLOSURE Head mount transmitter Polycarbonate housing with epoxy potting NEMA 1 IP00 NEMA 4X IP66 with PDA1080WM Connection head Cast aluminum 0 3 max copper content corrosion resistant powder coating color blue NE...

Page 9: ...ORQUE Screw terminal connectors 4 5 lb in 0 5 Nm WEIGHT 1 18 oz 33 5 g head mount transmitter only OVERALL DIMENSIONS Dia 1 73 x 0 89 44 mm x 22 5 mm head mount transmitter only Connection head probe and thermowell dimensions are not included WARRANTY 1 year parts labor ...

Page 10: ...C or 0 20 10 C 18 F Pt1000 200 to 250 C 328 to 482 F 0 3 C or 0 12 10 C 18 F Cu50 50 to 150 C 58 to 302 F 0 2 C or 0 08 10 C 18 F Cu100 50 to 150 C 58 to 302 F 0 3 C or 0 12 10 C 18 F Ni100 60 to 180 C 76 to 356 F 0 2 C or 0 08 10 C 18 F Ni500 60 to 180 C 76 to 356 F 0 5 C or 0 20 10 C 18 F Ni1000 60 to 150 C 76 to 302 F 0 3 C or 0 12 10 C 18 F Poten tiometer Ohms 0 to 400 Ω 0 1 Ω or 0 08 10 Ω 0 t...

Page 11: ...70 to 1372 C 454 to 2501 F 0 5 C or 0 08 50 C 90 F N 270 to 1300 C 454 to 2372 F 1 0 C or 0 08 50 C 90 F R 50 to 1768 C 58 to 3214 4 F 2 0 C or 0 08 500 C 900 F S 50 to 1768 C 58 to 3214 4 F 2 0 C or 0 08 500 C 900 F T 270 to 400 C 454 to 752 F 0 5 C or 0 08 50 C 90 F C 0 to 2320 C 32 to 4208 F 0 5 C or 0 08 50 C 90 F D 0 to 2320 C 32 to 4208 F 0 5 C or 0 08 50 C 90 F Voltage mV 10 to 75 mV 20µV o...

Page 12: ...d G Class III hazardous classified locations indoor and outdoor Type 4X and IP66 Ta 50 C to 125 C FM CERT 3009725 CSA CERT 1097880 ATEX IECEx ATEX Certified Flameproof and Dust II 2 G D Ex d IIC Gb Ex tb IIIC Db IP68 Ta 40 C to 85 C ATEX CERT Sira09ATEX1023U IECEx Certified Flameproof and Dust Ex d IIC Gb Ex tb IIIC Db IP68 Ta 40 C to 85 C IECEx CERT SIR 09 0006U Year of Construction This informat...

Page 13: ...mitters Instruction Manual 13 SAFETY INFORMATION CAUTION Read complete instructions prior to installation and operation of the temperature transmitter Installation and service should be performed only by trained service personnel ...

Page 14: ...accordance with the ATEX directive 94 9 EC the enclosure certificates ATEX CERT Sira09ATEX1023U and IECEx CERT SIR 09 0006U All wiring connectors are accessed by opening the connection head cover It is not necessary to remove temperature transmitter from the connection head during installation Models PD303 and PD305 should be configured in a safe area prior to installation using the USB adapter an...

Page 15: ... 43 729 Form B connection head using M4 screws The PD303 PD306 with explosion proof or safe area NEMA 4 housings can be mounted using two different methods those are conduit mounting or direct mounting In those cases where the preferred installation of the ExSense transmitter is directly mounted to a probe or thermowell care should be exercised to assure that the maximum temperature specification ...

Page 16: ...ld allow for some safety margin as there are a number of variables that effect this information that cannot be easily accounted for The maximum operating temperature of the PD303 PD306 ExSense transmitter is 85 C Increase in Housing Temperature Above Ambient Pipe Thermowell Extension Length Process 60 C 108 F 50 C 90 F 40 C 72 F 30 C 54 F 20 C 36 F 10 C 18 F 0 C 0 F 100 125 150 175 200 225 250 mm ...

Page 17: ... 3 wire connection odd color lead 4 TC mV or RTD 4 wire connection 5 RTD 3 wire connection same color lead 6 TC mV or RTD 3 wire connection same color lead Note mV signals are connected to terminals 4 and 6 Refer to Figure 1 for terminal positions and connections Observe all safety regulations Electrical wiring should be performed in accordance with all agency requirements and applicable national ...

Page 18: ...PD301 PD306 Smart Temp Transmitters Instruction Manual 18 Figure 1 Sensor Loop Connectors Sensor 4 20 mA Output Connections Figure 2 Sensor 4 20 mA Connections ...

Page 19: ... PD306 Smart Temp Transmitters Instruction Manual 19 Connections to PC Communicator Figure 3 Connections to PC with USB Modem HART Connections to PC Communicator Figure 4 Connections to PC HART Communicator ...

Page 20: ...tentiometers involved in the setup process of the smart temperature transmitter All setup and programming can be performed by one of these methods 1 USB modem and PC running the free software provided 2 Using a HART modem and a PC running the free software provided 3 Using a HART Communicator not all parameters are available Note Input Type and Units cannot be changed with a HART Communicator It i...

Page 21: ...and to the PC See the instructions below to install the USB drivers 5 If using HART communication connect the HART modem PDA8302 across the 250 Ω resistor and to the USB port on the PC See the instructions below to install the USB drivers 6 Once the USB driver has been successfully installed double click on the HTTemp program shortcut to run the software 7 Click on Environment Serial Port and sele...

Page 22: ...d to the Internet allow the program to search for the driver 3 The driver installation program requires the process to be repeated twice Please DO NOT press Cancel go ahead and repeat the process again After the second time the driver installation is completed and a message is displayed indicating that the new hardware is ready to be used Determining the COM Port Number To determine the COM port n...

Page 23: ...l Port associated with the new USB device e g COM3 4 If there are more USB Serial ports enabled disconnect the modem from the USB port and notice which COM port disappears from the above screen Connect the modem to the USB port again and notice which port is enabled This is the COM port to be selected in the HTTemp program ...

Page 24: ... actual mA reading corresponding to the 4 mA output e g 3 998 2 Click on Read next to the 20 000 mA box and type the actual mA reading corresponding to the 20 mA output e g 20 002 3 Click on Update to upload the new values to the transmitter Test the loop by selecting a Fix Loop value and clicking Send When the Fix Loop is used the loop is put in manual mode Click on Exit to finish testing the loo...

Page 25: ...ngs related to the sensor and analog output The Display Mode allows the selection of PV mA or for the display The 4 000 mA and 20 000 mA settings correspond to the display values at which the 4 20 mA output is generated Use the Offset parameter to make minor adjustments to the 4 mA value The ExSense T transmitters support 2 3 and 4 wire RTDs The selection must match the actual RTD wiring ...

Page 26: ...table on page 10 for the minimum span specifications Decimal Point This parameter is not applicable transmitters without display Alarm Current An open thermocouple or RTD generates an alarm current condition which can be either 3 6 mA or 22 mA If the input signal exceeds the transmitter range significantly the output will go to the alarm current value Underrange and Overrange An underrange conditi...

Page 27: ...nformation and to modify the HART address for multi drop applications The Short address is 0 for standalone applications and 1 15 for multi drop applications In multi drop applications the analog output current is forced to 4 mA The Long Address is 6 digit long and should be set to any unique number but it should be different than the Short Address number ...

Page 28: ...e Parameter Setup to set the 4 20 mA output values If a precise calibration is needed for a specific input type and range follow the steps below 1 Connect a calibrated signal source to the input 2 Apply the low value signal at which 4 mA will be generated 3 Click on Calibration to 4 mA 4 Apply the high value signal at which 20 mA will be generated 5 Click on Calibration to 20 mA ...

Page 29: ... the three variables at once or just one of the variables A log data file can be saved for later viewing it contains the time data value and units The screen update rate is selectable between 2 sec and 30 min Note There is no provision to export the log file to other applications The saved file may be viewed only with the HTTemp software ...

Page 30: ...Temperature Transmitter is being powered by the PD6000 dual scale meter the meter displays the temperature on the top display and the mA current on the bottom display A PLC DCS or other devices could be connected in the loop as shown The 250 ohm resistor is the minimum loop resistance needed for HART communication with a HART modem or a HART communicator ...

Page 31: ...PD301 PD306 Smart Temp Transmitters Instruction Manual 31 MOUNTING DIMENSIONS All units inches mm Figure 5 Head Mount Transmitter Dimensions Figure 6 Connection Head Dimensions ...

Page 32: ...1 2 3 4 5 6 7 8 9 10 ERP Field Location Model Number 1 R 6 0 P D P Sensor Type Probe Type 2 P1 Pt100 RTD TJ Type J TC TK Type K TC TT Type T TC Sensor Lead Length 1 6 2 12 3 18 4 24 X 5 9 for other lengths Note Lead length must be appropriate for the extension length if used R Rigid probe S Spring loaded probe A Probe Length 06 6 Probe 09 9 Probe 12 12 Probe XX Length in inches ...

Page 33: ...mp Transmitters Instruction Manual 33 THERMOWELLS Thermowells may be ordered separately using the following sample drawing and the Model Configuration chart 1 75 2 50 0 50 dia 0 25 Q dia Bore 0 260 0 50 NPSM P A U A U 1 50 ...

Page 34: ... 8 P3 1 NPT 7 8 1 3 8 CODE Material Of Construction S1 SS304 S2 SS316 CODE U Immersion Length 000 Specify in Inches Example 025 2 5 PDAT106 P2 S2 045 A 06 045 015 PDAT109 P2 S2 075 A 09 075 015 PDAT112 P2 S2 105 A 12 105 015 Thermowell Type T1 Thermowell stepped stem threaded with NPSM sensor connection NPT process connection SS316 TX Where X 2 9 to be determined Note Other thermowell types and si...

Page 35: ...ance Fault or alarm current 3 6 mA or 22 0 mA Defective or open sensor Incorrect programmed range 4 20 mA output is not correct Check voltage across transmitter Reduce loop impedance Output is fixed at 4 mA Transmitter configured for multi drop mode Change HART address to zero Temperature reading is not correct Wrong or defective sensor Check scaling Check offset value Other symptoms not described...

Page 36: ... Contact Precision Digital For Technical Support Call 800 610 5239 or 508 655 7300 Fax 508 655 8990 Email support predig com For Sales Support Call 800 343 1001 or 508 655 7300 Fax 508 655 8990 Email sales predig com For the latest version of this manual please visit www predig com ...

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