NI PXIe-4353 Specifications
Contents
1. Refer to the MI PXIe 4353 User Manual for more information about ADC timing modes ADC Timing Mode 1 is the default setting for the On Demand timing mode when sample rate is not Digital Triggers Clocking PXI_ TRIG lt 0 7 gt PXI STAR PXIe_ DSTAR lt A B gt Start Trigger Reference Trigger Pause Trigger Software selectable Disable 90 ns 5 12 us 2 56 ms custom interval Debounce filter settings Sample clock only Onboard Clock PXI_Trig lt 0 7 gt PXI_STAR PXIe DSTAR lt A B gt PXIe_Clk100 RefClk only Sample Clock Sample Clock Timebase Reference Clock Software selectable except Reference Clock Disable 90 ns 5 12 us 2 56 ms Custom interval 14 ni com NI PXle 4353 Specifications Reference clock locking frequencies Locking Input Frequency MHz Reference Signal 10 20 100 PXIe_ DSTAR lt A B gt v v v PXI STAR v v PXIe_CLK100 v PXIL TRIG lt 0 7 gt v v Note National Instruments does not recommend locking to non selected frequencies Output Timing Signals SOUICE sihaceh alah ehh lash eyecare Start Trigger Reference Trigger Pause Trigger Sample Clock various derived timebases and clocks Destinati ofisui PXI Trig lt 0 7 gt PXIe_ DSTAR C POLAT EY arenarie isnin Software selectable Bus Interface Fotm FACIL sicsscssesscescoscsssssesecsaessce2. 1 00 Max 0 C to 55 C 1 43 0 91 1 25 1 49 2 09 Thermocouple Type T E Measurement Accuracy C 100 C 0 C 100 C 300 C 500 C 700 C 900 C 1100 C 1400 C Typical 23 C 5 C 0 48 0 32 0 28 0 28 0 33 0 40 0 48 Max 23 C 5 C 0 80 0 55 0 47 0 45 0 71 High Resolution Max 0 C to 55 C 0 86 0 72 1 06 Typical 23 C 5 C 0 72 0 49 0 43 0 41 0 45 0 66 Max 23 C 5 C High Speed 0 76 0 61 0 90 Max 0 C to 557G 1 07 0 87 1 22 1 47 8 ni com NI PXle 4353 Specifications Thermocouple Type R S Measurement Accuracy C 100 C 0 C 100 C 300 C 500 C 700 C 900 C 1100 C 1400 C Typical 0 81 0 59 0 53 0 55 0 58 0 60 0 63 0 70 23 C 5 C Max S 1 73 1 26 09 1 08 1 10 1 11 B 1 22 23 C 5 C High Resolution Max 2 34 1 67 50 1 56 1 64 1 71 79 2 01 0 C to 55 C Typical 2 04 1 49 PAi 1 25 1 26 1 26 27 1 36 29 00 5 C Max 3 23 2 36 99 1 93 1 92 1 90 90 2 00 23G 5 C High Speed Max 3 84 2 76 2 41 2 41 2 46 2 50 2 56 2 79 0 C to 22 C Thermocouple Type B Measurement Accuracy C 100 C 0 C 100 C 300 C 500 C
3. Ambient temperature range 40 C to 71 C Tested in accordance with IEC 60068 2 1 and TEC 60068 2 2 Meets MIL PRF 28800F Class 3 limits Relative humidity range cccceeeeeeseeeeeeeeee 5 to 95 noncondensing Tested in accordance with IEC 60068 2 56 Shock and Vibration Operating SHOCK occ eeseeeeecteseeeeeeeeeeeees 30 g peak half sine 11 ms pulse Tested in accordance with IEC 60068 2 27 Meets MIL PRF 28800F Class 2 limits Random vibration operating ceeeeeeeeeeee 5 Hz to 500 Hz 0 3 gims Nonoperating einna 5 Hz to 500 Hz 2 4 gins Tested in accordance with IEC 60068 2 64 Nonoperating test profile exceeds the requirements of MIL PRF 28800F Class 3 16 ni com NI PXle 4353 Specifications Safety Voltages Connect only voltages that are within the following limits Between any TC and TC 80 mV Between any TC terminal and COM ccseeeeeeee E10 V Between CJC and 1 024 V Isolation Channel to channel cccccecseceeeeseeeee None Channel to earth ground 300 Vims Measurement Category II Withstand cece eceeseesseeseeseeeeeseeeeees 2 300 Vms verified by a 5 s dielectric withstand test Measurement Category II is for measurements performed on circuits directly connected to the electrical distribution system This category refers to local level electrical distribution such as that provided by a standard
4. 700 C 900 C 1100 C 1400 C Typical Ta 1 00 0 66 0 55 0 49 0 47 0 49 237C 5 C Max 2 39 1 52 1 20 1 04 0 96 0 95 23 C 5 C Max 3 04 1 99 1 63 1 48 1 43 1 49 0 C to 55 C Typical x 3 15 1 98 1 54 1 32 1 20 1 15 23 C 5 C Max _ 5 01 3 13 2 41 2 04 1 85 1 74 23 C 5 C High Resolution High Speed Max E 5 66 3 60 2 85 2 48 2 31 2 28 0 C to 55 C NI 16 4353 Specifications National Instruments 9 Additional Maximum Error When Open Thermocouple Detection Is Enabled C Type 100 C 0 C 100 C 300 C 500 C 700 C 900 C 1100 C 1400 C J N 0 05 0 04 0 03 0 03 0 02 0 02 0 02 0 03 K 0 03 0 02 0 02 0 02 0 02 0 02 0 02 0 03 0 03 T E 0 03 0 02 0 02 0 02 0 01 0 01 0 01 R S 0 18 0 13 0 10 0 10 0 09 0 08 0 08 0 08 B 0 31 0 19 0 14 0 11 0 10 0 08 Thermocouple Accuracy Example Calculations The following thermocouple accuracy examples are based on the Voltage Measurement Accuracy and Cold Junction Compensation Accuracy tables The thermocouple equations used in the following examples are nonlinear relations between the thermocouple voltage V y where Xis the thermocouple type and the thermocouple temperature Ty when the cold junction is kept at 0 C The voltage is expressed as a polynomial functi
5. or medical equipment that does not intentionally generates radio frequency energy for the treatment of material or inspection analysis purposes A Note For EMC declarations and certifications refer to the Online Product Certification section CE Compliance CE This product meets the essential requirements of applicable European Directives as follows e 2006 95 EC Low Voltage Directive safety e 2004 108 EC Electromagnetic Compatibility Directive EMC Online Product Certification Refer to the product Declaration of Conformity DoC for additional regulatory compliance information To obtain product certifications and the DoC for this product visit ni com certification search by model number or product line and click the appropriate link in the Certification column Environmental Management NI is committed to designing and manufacturing products in an environmentally responsible manner NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers For additional environmental information refer to the Minimize Our Environmental Impact web page at ni com environment This page contains the environmental regulations and directives with which NI complies as well as other environmental information not included in this document 18 ni com NI PXle 4353 Specifications Waste Electrical and Electronic Equipment WEEE K EU Customers At the end of the
6. at 100 C and the cold junction is at 13 C Told junction min 18 as follows V heas Vr 100 C Vr 13 C 3 888 uV The error in this equation caused by offset gain errors noise and INL is as follows V meas_err Offset V meas Gain Error Noise Vini typ 4 049 uV Terror T Tr Vineas F Vineas_error Vr 13 C Toota _junction_error g 100 C 0 45 C Next repeat this calculation for 33 C Tolga junction max and take the greater result as the accuracy specification Vineas Vr 100 C Vz 33 C 4 699 mV The error in this measurement caused by offset gain errors noise and INL is as follows Vimeas_error Offset V meas Gain Error Noise Vint typ 4 292 uV Terror Tr V meas V meas_error Vr 33 C T cold junction error 100 C 0 48 C The typical accuracy at an operating temperature of 23 C 5 C for a type T thermocouple measuring 100 C in high resolution timing mode is 0 48 C NI PXle 4353 Specifications National Instruments 13 Timing A Note To maintain the specified accuracy the maximum allowable sample rate is 90 S s ADC Timing Modes ADC Conversion Rate Max Sample Ratet 32 Channels 1 High Resolution 17 Hz 1 S s 2 34 Hz 2 S s 3 68 Hz 4 S s 4 136 Hz 8 S s 5 272 Hz 16 S s 6 544 Hz 32 S s 7 High Speed 1530 Hz 90 S s t With autozero enabled explicitly selected
7. product life cycle all products must be sent to a WEEE recycling center For more information about WEEE recycling centers National Instruments WEEE initiatives and compliance with WEEE Directive 2002 96 EC on Waste and Electronic Equipment visit ni com environment weee Aaa ais Riehl SID CHE ROHS RARA National Instruments 46 F E E TAR A m P RANEH EEA HR ROHS XF National Instruments HE ROHS AREA WK ni com environment rohs_china For information about China RoHS compliance go to ni com environment rohs_china Where to Go for Support The National Instruments Web site is your complete resource for technical support At ni com support you have access to everything from troubleshooting and application development self help resources to email and phone assistance from NI Application Engineers A Declaration of Conformity DoC is our claim of compliance with the Council of the European Communities using the manufacturer s declaration of conformity This system affords the user protection for electromagnetic compatibility EMC and product safety You can obtain the DoC for your product by visiting ni com certification If your product supports calibration you can obtain the calibration certificate for your product at ni com calibration National Instruments corporate headquarters is located at 11500 North Mopac Expressway Austin Texas 78759 3504 National Instruments also has o
8. wall outlet for example 115 V for U S or 230 V for Europe A Caution Do not connect the NI PXIe 4353 to signals or use for measurements within Measurement Categories III or IV A Caution The protection provided by the PXIe 4353 can be impaired if it is used in a manner not described in this document Safety This product meets the requirements of the following standards of safety for electrical equipment for measurement control and laboratory use e TEC 61010 1 EN 61010 1 e UL 61010 1 CSA 61010 1 Note For UL and other safety certifications refer to the product label or the Online Product Certification section NI PXle 4353 Specifications National Instruments 17 Electromagnetic Compatibility This product meets the requirements of the following EMC standards for electrical equipment for measurement control and laboratory use e EN 61326 1 IEC 61326 1 Class A emissions Basic immunity e EN 55011 CISPR 11 Group 1 Class A emissions e AS NZS CISPR 11 Group 1 Class A emissions e FCC 47 CFR Part 15B Class A emissions e ICES 001 Class A emissions Note Inthe United States per FCC 47 CFR Class A equipment is intended for use in commercial light industrial and heavy industrial locations In Europe Canada Australia and New Zealand per CISPR 11 Class A equipment is intended for use only in heavy industrial locations Note Group equipment per CISPR 11 is any industrial scientific
9. NI PXle 4353 Specifications Fran ais Deutsch H R etSOl MFX ni com manuals This document lists specifications for the NI PXIe 4353 module These specifications are typical for the range of 0 C to 55 C unless otherwise stated The system must be allowed to warm up for 15 minutes to achieve the rated accuracy All specifications are subject to change without notice Visit ni com manuals for the most current specifications and product documentation Note Keep the filler panels on all unused slots in your chassis to maintain forced air cooling Thermocouple Measurement Accuracy Type 100 C to 0 C 0 C to 300 C 300 C to 900 C 900 C to 1400 C J N 0 47 C 0 35 C 0 47 C 0 56 C K 0 44 C 0 38 C 0 58 C 0 88 C T E 0 48 C 0 32 C 0 48 C R S _ 0 81 C 0 60 C 0 70 C B 1 00 C 0 49 C The values in this table are typical for 23 C 5 C when using the module with a TB 4353 in the High Resolution ADC timing mode For detailed accuracy tables including maximum specifications refer to the Temperature Measurement Accuracy section Input Characteristics Number of channels ccccccccsssesseeseceeeeseees 32 thermocouple channels 2 autozero channels 8 cold junction compensation channels ADC resolution ccc ceseesetecsesenseeesenes 24 bits Delta Sigma Samp
10. d junction is at 65 C Tota junction max and take the greater result as the accuracy specification Vineas Wp 500 C Vg 65 C 1 233 mV The error in this measurement caused by offset gain errors noise and INL is as follows V meas error Offset V meas Gain Error Noise Vn max 9 768 UV Terror z Tg V meas F V meas_error F Vg 65 C T ootd junction_error 500 C 1 99 C The maximum accuracy at an operating temperature of 0 C to 55 C for a type B thermocouple measuring 500 C in high resolution timing mode is 1 99 C 12 ni com NI PXle 4353 Specifications Example 3 For a type T thermocouple with a high resolution timing mode a measurement temperature of 100 C an temperature of 23 C 5 C typical and autozero enabled based on the Voltage Measurement Accuracy and Cold Junction Compensation Accuracy tables the device specifications are as follows Offset 1 uV Gain Error 0 03 Noise 200 nV 2 0 283 uV Tey error 0 22 C VNL typ 20 ppm 80 mV 1 6 LV The ambient temperature of 23 C 5 C can range from 18 C to 28 C But the cold junctions may extend beyond the ambient temperature by a small amount For the range of 23 C 5 C an additional 5 C is allowed The range for cold junctions temperatures is as follows Told_junction_min 13 C T cold junction max 33 C The voltage measured at the thermocouple terminals when the hot junction is
11. eseseesensanien sens xl PXI Express peripheral module Specification v1 0 compliant Slot compatibility cccccceeeseeseeceeteeteeneeneeee xl and x4 PXI Express or PXI Express hybrid slots DMA channels 1 analog input Calibration You can obtain the calibration certificate and information about calibration services for the NI PXIe 4353 at ni com calibration Recommended warm up time eee 15 minutes Calibration interval ccssesesseeseeeeeeseeeeeeees 1 year Power Requirements TESTS VAE E EE EE 570 mA NI PXle 4353 Specifications National Instruments 15 Physical Requirements Standard 3U 16 16 x 10 cm 6 3 x 3 9 in Weights 2essstercbcdetuscitiessnsecittvtsatecthapeiiees 139 g 4 9 oz 1 0 connector 0 eee eceeceeceeceteeeeeeeseceeeneensensenee 96 pin male DIN 41612 IEC 60603 2 connector Environmental Specifications Maximum altitude ccccccccccsceeeceeesseeesees 2 000 m 800 mbar Pollution Degree ceceeeceeeeeeereeeceeeeeeeeeees 2 Indoor use only Operating Environment Ambient temperature range 0 C to 55 C Tested in accordance with IEC 60068 2 1 and TEC 60068 2 2 Meets MIL PRF 28800F Class 3 low temperature limit and MIL PRF 28800F Class 2 high temperature limit Relative humidity range c cceeeceeseeseeeeeee 10 to 90 noncondensing Tested in accordance with IEC 60068 2 56 Storage Environment
12. ffices located around the world to help address your support needs For telephone support in the United States create your service request at ni com support and follow the calling instructions or dial 512 795 8248 For telephone support outside the United States visit the Worldwide Offices section of ni com niglobal to access the branch office Web sites which provide up to date contact information support phone numbers email addresses and current events NI PXle 4353 Specifications National Instruments 19 LabVIEW National Instruments NI ni com the National Instruments corporate logo and the Eagle logo are trademarks of National Instruments Corporation Refer to the Trademark Information at ni com trademarks for other National Instruments trademarks Other product and company names mentioned herein are trademarks or trade names of their respective companies For patents covering National Instruments products technology refer to the appropriate location Help Patents in your software the patents txt file on your media or the National Instruments Patents Notice at ni com patents Refer to the Export Compliance Information at ni com legal export compliance for the National Instruments global trade compliance policy and how to obtain relevant HTS codes ECCNs and other import export data 2010 2012 National Instruments All rights reserved 375508C 01 0012
13. is at 13 C Told junction min 18 as follows V meas Vx 100 C Vx 13 C 3 579 UV The error in this equation caused by offset gain errors noise and integral nonlinearity INL is as follows Vineas_err Offset V meas Gain Error Noise Vint max 16 918 HV The equation to calculate the hot junction thermocouple temperature from the measured thermocouple voltage is as follows Thot junction z Tx Vineas Vx T cota junction where Tx and Vx are the polynomial functions explained above Both V meas and T cold junction have uncertainties associated with their measurements that introduce an inaccuracy when calculating Thot junction The error in this measurement is as follows Terror Tk Vineas V meas error Vk 13 C T eoid jonction erod 100 C 0 70 C Next repeat this calculation when the cold junction is at 33 C Told junction max and take the greater result as the accuracy specification Vineas Wx 100 C Vg 33 C 2 771 mV The error in this measurement caused by offset gain errors noise and INL is as follows Vineas error Offset V meas Gain Error Noise Vint max 16 514 UV Terror Tk Vineas V meas_error Vk 33 C Tegid junction error 100 C 0 69 C The maximum accuracy at an operating temperature of 23 C 5 C for a type K thermocouple measuring 100 C in high speed timing mode is 0 70 C NI PXle 4353 Specifications National Inst
14. istance of both thermocouple leads All offsets assume the lead wire resistance is lt 50 Q when open thermocouple detection is disabled Input Noise ADC Timing Modes Input Noiset 1 High Resolution 200 nVims 1 34 UV pk pk 2 200 nVims 1 34 WV pink 3 280 nV ms 1 84 4 370 2 6 UV pk pk 3 750 6 3 UV pk pk 6 1 05 UV ms 8 3 UV pk pk 7 High Speed 2 0 UV ims 24 UV pk pk Refer to the Timing section for more information about ADC timing modes t Multiply noise by J2 if using the autozero channel for each sample 4 ni com NI PXle 4353 Specifications Measurement Sensitivity ADC Timing Modes Type J K T E Type N Type B Type R S 1 High lt 0 01 C lt 0 02 C lt 0 10 C lt 0 08 C Resolution 2 lt 0 01 C lt 0 02 C lt 0 10 C lt 0 08 C 3 lt 0 02 C lt 0 02 C lt 0 13 C lt 0 11 C 4 lt 0 02 C lt 0 03 C lt 0 18 C lt 0 14 C 5 lt 0 04 C lt 0 06 C lt 0 35 C lt 0 29 C 6 lt 0 06 C lt 0 08 C lt 0 49 C lt 0 40 C 7 High Speed lt 0 11 C lt 0 14 C lt 0 93 C lt 0 77 C Refer to the Timing section for more information about ADC timing modes Input Stability Typical Max Offset stability with autozero enabled 10 nV C 50 nV C Offset stability with autozero disabled 0 3 7 0 9 17 Gain stability 4 ppm C 15 p
15. ling Modeion iise Scanned Maximum sample rate ccccscsecseeseereereeeees 90 S s Refer to the Timing section for more details Voltage measurement 12086 80 mV Qy NATIONAL gt INSTRUMENTS Temperature measurement range Full NIST temperature range J K T E N B R S thermocouple types 50 60 Hz noise rejection High resolution mode cee eeeeeceeeeeeeee 70 dB Differential input impedance 20 MQ 20 ppm typical 60 ppm max Open Thermocouple Detection OTD Selection ccecceseeseseceeseeseeseeseeseeeeesessesteseeeeees On off software selectable per module Per channel Input current OTD enabled isinna s 17nA OTD disabled neccsser 400 pA Common Mode Voltage Range Channel to COM channel to channel 10 V COM to earth ground eee ete eecteeeeeeeeees 300 V Common Mode Rejection Ratio CMRR Channel to COM at DC cee eeeeecteeeeeeees 100 dB COM to earth ground at DC 50 60 Hz Timing Mode 1 0 eeceececeeeeseeseeseeeeeeeeeeneeees gt 170 dB COM to earth ground at DC 50 60 Hz Timing Mode 7 cccceccescesceseeseeseeseeseeneeseeneeees 155 dB ADC Timing Modes CMRR 50 60 Hz Channel to COM 1 High Resolution 110 dB 2 85 dB 3 75 dB 4 70 dB 5 70 dB 6 70 dB 7 High Speed 70 dB Refer to the Timing section for more information about ADC timing modes 2 ni com NI PXle 4353 Specifications Inpu
16. on V Ty whose coefficient values depend upon a thermocouple type X For the coefficient values for a given thermocouple type visit ni com info and enter the Info Code tcpolynomials The inverse function T V y is a polynomial function that gives the temperature as a function of Vy Example 1 For a type K thermocouple with a high speed timing mode a measurement temperature of 100 C an ambient temperature of 23 C 5 C an accuracy type of maximum and autozero enabled the device specifications are as follows Offset 7 5 uV Gain Stability 15 ppm C Gain Error 0 05 Noise 2 0 uV 2 2 828 uV Tey error 0 33 C VINL max 60 ppm 80 mV 4 8 uV Per 50 Q of lead wire resistance which is the sum of the resistance of both thermocouple leads Add the values in the table to the accuracy numbers shown in the Thermocouple Measurement Accuracy tables to get the total error when open thermocouple detection is enabled 10 ni com NI PXle 4353 Specifications The ambient temperature of 23 C 5 C can range from 18 C to 28 C But the cold junctions may extend beyond the ambient temperature by a small amount For the range of 23 C 5 C an additional 5 C is allowed The range for cold junctions temperatures is as follows T cold_junction_min 13 C Teod junction_max 33 C The voltage measured at the thermocouple terminals when the hot junction is at 100 C and the cold junction
17. pm C Measurement sensitivity represents the smallest change in temperature that the module can detect It is a function of input noise The values assume the full measurement range of the standard thermocouple sensor according to NIST Monograph 175 NI PXle 4353 Specifications National Instruments 5 Cold Junction Compensation Accuracy Typical Maximum Configuration 23 C 5 C O C to 55 C 23 C 5 C 0 C to 55 C PXIe 4353 CJC 0 02 C 0 03 C 0 03 C 0 05 C channel accuracy Total CJC accuracy 0 22 C 0 38 C 0 33 C 0 50 C using a TB 4353 gt gt 7 Total CJC accuracy 0 20 C 0 28 C 0 28 C 0 42 C using a TC 4353 Configuration A 8 Total CJC accuracy 0 49 C 0 56 C using a TC 4353 Configuration B 8 Total CJC accuracy 1 93 C 2 07 C using a TC 4353 Configuration C4 8 For graphs that combine CJC Accuracy with Voltage Measurement Accuracy to derive overall thermocouple measurement accuracy go to ni com info and use Info Code PXIE4353CALCULATOR Configuration A represents a TC 4353 deployed into a thermally isolated setup 3 Configuration B represents a TC 4353 that is mounted below any heat sources in the rack and is protected from airflow by a physical barrier 4 Configuration C represents a TC 4353 that has not been protected from heat sources Note For example configurations go to ni com info and u
18. rature error refer to the Thermocouple Accuracy Example Calculations section Thermocouple Type J N Measurement Accuracy C 100 C 0 C 100 C 300 C 500 C 700 C 900 C 1100 C 1400 C Typical 0 47 0 35 0 31 0 33 0 38 0 41 0 47 0 56 23 C 45 C Max 0 83 0 63 0 55 0 54 0 60 0 65 0 73 0 84 23 C 5 C Max 1 26 0 94 0 78 0 84 0 99 1 09 1 27 1 52 0 C to 53 C High Resolution Typical 0 80 0 61 0 53 0 52 0 56 0 64 0 72 0 82 23 C 5 C Max 1 22 0 95 0 83 0 79 0 83 0 92 1 02 1 15 23 C 45 C Max 1 66 1 26 1 06 1 07 1 18 1 36 1 56 1 80 0 C to 35 C High Speed 1 For more information refer to the Additional Maximum Error When Open Thermocouple Detection Is Enabled C table NI PXle 4353 Specifications National Instruments 7 Thermocouple Type K Measurement Accuracy C 100 C 0 C 100 C 300 C 500 C 700 C 900 C 1100 C 1400 C Typical 23 C 5 C 0 44 0 31 0 28 0 38 0 37 0 46 0 58 0 66 0 88 Max 23 C 5 C 0 74 0 53 0 49 0 62 0 74 0 89 1 00 High Resolution Max 0 C to 55 C 0 80 0 71 0 93 1 02 1 24 Typical 23 C 5 C 0 67 0 47 0 44 0 57 0 69 0 83 0 95 Max 23 C 5 C High Speed 1 02 0 73 0 70 0 86
19. ruments 11 Example 2 For a type B thermocouple with a high resolution timing mode a measurement temperature of 500 C an ambient temperature of 0 C to 55 C an accuracy type of maximum and autozero enabled based on the Voltage Measurement Accuracy and Cold Junction Compensation Accuracy tables the device specifications are as follows Offset Stability 50 nV C Offset 2 0 uV Offset Stability 55 C 23 C 3 6 uV Gain Stability 15 ppm C Gain Error 0 04 Gain Stability 55 C 23 C 0 088 Noise 200 nV 2 0 283 uV Ty error 0 50 C VINL max 60 ppm 80 mV 4 8 uV The ambient temperature is 0 C to 55 C But the cold junctions may extend beyond the ambient temperature by a small amount For the range of 0 C to 55 C an additional 10 C is allowed in the hotter direction The range for cold junctions temperatures is as follows Tcold_junction_min 0 C Told _junction_max 65 C The voltage measured at the thermocouple terminals when the hot junction is at 500 C and the cold junction is at 0 C Told junction min 0 C is as follows Vineas Vp 500 C Vp 0 C 1 242 uV The error in this equation caused by offset gain errors noise and INL is as follows Vineas_err Offset V meas Gain Error Noise Vint max 9 776 uV Terror Tg Vineas V ieas errot F Vg 0 C Teotia junction error 500 C 1 917 C Next repeat this calculation when the col
20. se Info Code TC4353CONFIGURATIONS 5 This represents performance for wire gauges of 24 AWG and smaller 6 This represents performance for wire gauges of 20 AWG and smaller 7 Includes thermistor and isothermal errors and assumes that the module and terminal block are maintained at a stable ambient temperature Refer to the MI PXTe 4353 and TB 4353 Terminal Block Installation Guide and Specifications document for proper set up instructions 8 Includes thermistor and isothermal errors and assumes that the module and terminal block are maintained at a stable ambient temperature Refer to the MI PXTe 4353 and TC 4353 Terminal Block Installation Guide and Specifications document for proper set up instructions 6 ni com NI PXle 4353 Specifications Temperature Measurement Accuracy The following thermocouple measurement tables show the results of calculating the accuracy of each standard thermocouple type using the specifications for the PXIe 4353 and the TB 4353 These tables assume the following conditions The module is connected to a terminal block of CJC accuracy equal to a TB 4353 Autozero is enabled Open thermocouple detection is disabled 0 V common mode voltage Built in CJC is enabled The tables include all measurement errors of the module and the terminal block The tables do not include the accuracy of the thermocouple itself For some example calculations that transform the device specifications into tempe
21. t Bandwidth 3 dB ADC Timing Modes Input Bandwidth 1 High Resolution 14 Hz 2 17 Hz 3 32 Hz 4 57 Hz 5 61 Hz 6 67 Hz 7 High Speed 67 Hz Refer to the Timing section for more information about ADC timing modes Overvoltage Protection Between any CJC pin TC input pin and 60 V Between RSVD lines and COM e00 24 V NI 16 4353 Specifications National Instruments 3 Voltage Measurement Accuracy Offset Error with Open Thermocouple Detection Disabledt Gain Error of Reading AD Typical 23 C 5 C Maximum 23 C 5 C 23 C 5 C Timing Autozero Autozero Autozero Autozero Modes Enabled Disabled Enabled Disabled Typical Maximum 1 High 1 0 uV 3 5 uV 2 0 pV 9 5 uV 0 03 0 04 Resolution 2 1 0 UV 3 5 uV 2 0 UV 9 5 UV 0 03 0 04 3 1 0 uV 3 5 UV 2 0 uV 9 5 uV 0 03 0 04 4 2 0 UV 4 5 uV 3 0 uV 10 5 LV 0 03 0 04 5 3 0 LV 7 0 LV 5 0 LV 13 0 LV 0 04 0 05 6 4 5 UV 8 5 UV 6 5 uV 14 5 LV 0 04 0 05 7 High 5 0 UV 9 0 LV 7 5 UV 15 5 LV 0 04 0 05 Speed Refer to the Timing section for more information about ADC timing modes t If open thermocouple detection is enabled there is additional offset due to input current To determine the additiona offset refer to the Input current specification and multiply by the lead wire resistance which is the sum of the res
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