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USB-2416 User`s Guide - Measurement Computing

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1. sessi iisi otini i Eni KESKE EERE Wn SEED TRI Digital O EA RE AE E E E Internal pull up pull down capability u 1 2 terere External pull up pullsdown capability ui na E Counter input terminals CTR1 USB 2416 mechanical idrawmss ayay e Chapter 4 Calibrating the 21 Calibration methods ertet te bete 21 USB 2416 User s Guide Factory calibrati n is ri im ee Ea et ehe ie le eer de eee n Ea 21 Self eere a eii ee eee rbd eee erede a eene see 21 Chapter 5 Specifications Analog input Channel configurations Compatible sensors ACCULACY Thermocouple measurement accuracy Analog input DC voltage measurement accuracy ie 32 Input Dain wid thes S P POM Noise performance Chaniiel switching ertor Pet Reef e Oe E p E ERU 35 Throushput rate cie ete er Ut tenen i Di e Ee i 36 Analog input Calibration EM 37 Digital 37 Counter USB specifications Environmental Mechanical Screw terminal connector type and pinout Screw terminal pinout Optional AI EXP32 expansion module ALEXP32 Screw terminal pinout RR Den Rein n dp iE USB 241
2. Range A D data Gain error Offset INLerror Absolute Gain temperature Offset temperature rate 96 of error 96 of accuracy coefficient 96 coefficient uV C reading range reading C 0 078125 V 3750 S s 0 035 0 0009 33 547 uV 0 0006 1 2000 S s 0 035 0 0009 34 252 uV 0 0006 1 1000 S s 0 035 0 0009 33 696 uV 0 0006 1 500 S s 0 035 0 0009 34 002 u V 0 0006 1 100 S s 0 035 0 0009 34 005 u V 0 0006 1 60 S s 0 035 0 0009 33 866 uV 0 0006 1 50 S s 0 035 0 0009 34 026 uV 0 0006 1 25 5 0 035 0 0009 33 933 uV 0 0006 1 10 8 5 0 035 0 0009 33 937 u V 0 0006 1 5 5 5 0 035 6uV 0 0009 33 969 u V 0 0006 1 2 5 S s 0 035 0 0009 33 934 u V 0 0006 1 Input bandwidth Table 13 input bandwidth A D data rate 3db Bandwidth Hz 3750 S s 1615 2000 S s 878 1000 S s 441 500 S s 221 100 S s 44 2 60 S s 26 5 50 S s 22 1 25 S s 11 1 10 S s 4 42 5 S s 2 21 2 5 S s 1 1 Noise performance For the peak to peak noise distribution test a differential input channel is connected to GND at the input terminal block and 50 000 samples are acquired at the maximum rate available at each setting Table 14 Peak to Peak noise performance specifications uV A D data rate Range 3750 S s 2000 S s 1000 S s 500 S s 100S s 60S s 50S s 25S s 10S s
3. syexe dininiy M8J9S Isolated Non isolated microcontroller micocontroller Figure 1 Functional block diagram Chapter 2 Installing the USB 2416 What comes with your USB 2416 shipment As you unpack your USB 2416 verify that the following components are included Hardware USB 2416 USB cable 2 meter length PS 5V2AEPS 10 Watt regulated power supply plugs into the external power connector of the USB 2416 Software MCC DAQ CD Documentation In addition to this hardware user s guide you should also receive the Quick Start Guide This booklet provides an overview of the MCC DAQ software you received with the device and includes information about installing the software Please read this booklet completely before installing any software or hardware Optional components Expansion devices that are compatible with the USB 2416 must be ordered separately If you ordered the following product with your device it should be included with your shipment AI EXP32 Analog input expansion module adds up to 16 differential or 32 single ended inputs to the USB 2416 ACC 202 Din rail kit Accessory for mounting a USB 2416 to a standard DIN rail Use the thread forming screws to attach the DIN rail clip to your device Thread forming T screws Unpacking As with any electronic device you should take care while handling to avoid damage from static electricity
4. 5S s 2 5 S s 20 V 230 31 186 92 126 84 100 14 5722 57 22 49 50 47 58 23 84 23 84 1431 10 V 126 84 100 14 71 76 45 06 30 52 30 52 26 70 1907 11 92 9 54 9 54 5 V 56 74 47 56 3421 25 87 1621 1431 1431 1430 596 4 77 47 32 5 V 32 96 28 79 17 94 1419 751 709 709 5 72 3 81 2 86 238 1 25 V 18 57 17 52 13 83 9 30 548 548 501 3 81 334 334 2 86 440 625 V 18 88 16 58 8 45 7 41 532 480 438 3 86 2 50 2 61 1 98 30 3125 V 15 33 14 76 8 19 6 94 4 75 4 69 449 3 70 334 2 56 245 0 156 25V 13 28 16 84 7 47 6 61 5 70 448 448 424 2 66 3 07 2 29 0 078125 V 13 47 15 02 9 17 6 88 4 28 4 16 4 00 3 57 2 28 2 13 2 40 34 USB 2416 User s Guide Specifications Table 15 RMS noise performance specifications uVRMS A D data rate Range 3750 S s 2000 S s 1000 S s 500 S s 100 S s 60 S s 50 S s 25S s 10 S s 5S s 2 5 S s 20 V 34 90 28 32 1922 15 17 867 867 751 722 3 61 361 2 17 10 V 19 22 15 17 10 87 6 83 4 62 4 62 4 05 2 89 1 81 1 44 1 44 5 V 8 60 7 21 5 18 3 92 2 46 2 17 2 17 2 16 0 90 0 72 0 72 2 5 V 4 99 4 36 2 72 2 15 1 14 1 07 1 07 0 87 0 58 0 43 0 36 1 25 V 2 81 2 66 2 10 1 41 0 83 0 83 0 76 0 58 0 51 0 51 0 43 50 625 V 2 86 2 51 1 28 1 12 0 81 0 73 0 66 0 58 0 38 0 40 0 30 20 3125 V 2 32 2 24 1 24 1 05 0 72
5. The discharge of static electricity can damage some electronic components Semiconductor devices are especially susceptible to ESD damage Connecting the board for I O operations Connectors cables main I O connector The following table lists the board connectors and compatible accessory products for the USB 2416 Main connector specifications Main connectors Six banks of detachable screw terminals Compatible accessory product for the 37 pin expansion connector AI EXP32 expansion board with screw terminals connects directly to the USB 2416 USB 2416 User s Guide Installing the USB 2416 Screw terminal pinout differential No connection Channel 0 HI Channel 0 LO No connection No connection Channel 1 HI Channel 1 LO No connection No connection Channel 2 HI Channel 2 LO No connection No connection Channel 3 HI Channel 3 LO No connection No connection Analog ground Channel 4 HI Channel 4 LO No connection No connection Channel 5 HI Channel 5 LO No connection No connection Channel 6 HI Channel 6 LO No connection No connection Channel 7 HI Channel 7 LO No connection No connection 5 V output Analog ground No connection No connection Analog ground No connection No connection Analog ground Counter input 0 Analog ground Counter input 1 Analog ground No connection No connection NC CHOH CHOL NC NC CHIH CHIL NC NC CH2H CH2L NC NC CH3H CH3L NC
6. 0 0004 0 0004 0 0003 0 0002 0 0002 0 0002 0 0001 0 0001 0 0001 2 5 V 0 001096 0 000796 0 0008 0 0004 0 0003 0 0002 10 000296 10 000296 10 000296 0 0001 0 0001 1 25 V 0 0013 0 0009 0 0008 0 0007 0 0004 0 0004 0 0003 0 0003 0 0003 0 0003 0 0003 0 625 V 0 0022 0 0016 0 0011 0 0011 0 0007 0 0007 0 0005 0 0005 0 0004 0 0005 0 0003 0 3125 V 1 0 0031 0 0031 0 0020 0 0017 0 0015 0 0012 0 0010 0 0010 0 0012 0 0009 10 000996 0 15625 V 0 0056 0 0062 0 0048 0 0037 0 0032 0 0025 0 0024 0 0021 0 0019 0 0022 0 0016 30 078125 0 0114 0 0123 0 0076 0 0070 0 0041 0 0051 0 0046 0 0036 0 0032 0 0030 0 0034 Channel switching error is defined as the accuracy that can be expected after one conversion when switching from a channel with a DC input at one extreme of full scale to another channel with a DC input at the other extreme of full scale expressed in terms of percentage of full scale value 35 USB 2416 User s Guide Specifications Throughput rate The single channel throughput rate is calculated using this formula 1 640 us data rate Maximum throughput Table 18 Single channel throughput rate specifications A D data rate Maximum throughput Hz 3750 S s 1102 94 2000 S s 871 19 1000 S s 609 76 500
7. Before removing the USB 2416 from its packaging ground yourself using a wrist strap or by simply touching the computer chassis or other grounded object to eliminate any stored static charge If any components are missing or damaged notify Measurement Computing Corporation immediately by phone fax or e mail Knowledgebase kb mccdaq com Phone 508 946 5100 and follow the instructions for reaching Tech Support Fax 508 946 9500 to the attention of Tech Support Email techsupport mccdaq com For international customers contact your local distributor Refer to the International Distributors section on our website at www mccdaq com International USB 2416 User s Guide Installing the USB 2416 Installing the software Refer to the Quick Start Guide for instructions on installing the software on the MCC DAQ CD This booklet is available in PDF at www mccdaq com PDEmanuals DAQ Software Quick Start pdf Installing the hardware To connect the USB 2416 to your system turn your computer on and then do the following 1 Connect the PS 5V2AEPS power supply to the USB 2416 s external power connector and plug the other end into a power outlet Connect the USB cable to the USB 2416 USB connector and to a USB port on your computer A USB2 0 port is recommended When you connect the USB 2416 to a computer for the first time a Found New Hardware dialog opens when the operating system detects the device When the mess
8. pins 18 36 39 42 44 46 66 81 84 93 94 20 V maximum power on off Input high voltage 1 3 V minimum 2 2 V maximum Input low voltage 1 5 V maximum 0 6 V minimum Schmitt trigger hysteresis 0 4 V minimum 1 2 V maximum Input bandwidth 3 db 1 MHz Input capacitance 25 pf Input leakage current 120 nA Input frequency 1 MHz maximum High pulse width 500 ns minimum Low pulse width 500 ns minimum Note 7 The DGND and GND pins pins 18 36 39 42 44 46 66 81 84 93 94 are common and are isolated from earth ground Memory Table 24 Memory specifications EEPROM 4096 bytes isolated micro reserved for sensor configuration 256 bytes USB micro for external application use Microcontroller Table 25 Microcontroller specifications Type One high performance 8 bit RISC microcontroller with USB interface non isolated One high performance 16 bit RISC microcontroller for measurements isolated 38 USB 2416 User s Guide Specifications Power The USB 2416 product includes an AC power adapter MCC part number PS 5V2AEPS Table 26 Power specifications Parameter Conditions Specification Supply current Note 8 Quiescent current 330 mA External power input Note 9 5 V 5 External power supply MCC p n PS 5V2AEPS included 5 VDC 10 W 5 regulation Voltage supervisor limits 4 5 V gt Vex
9. placed on center pin ordy External pull up resistor 0101 0102 DIO3 0104 DIOS DIOG 0107 Figure 16 Digital I O external resistor configuration Counter input terminals CTRO CTR1 Two 32 bit event counters are built into the USB 2416 Each counter accepts frequency inputs up to 1 MHz Refer to the Screw terminal pinout diagrams starting on page 10 for the location of these pins The internal counter increments when the TTL levels transition from low to high The counter can count frequencies of up to 1 MHz 19 USB 2416 User s Guide Functional Details USB 2416 mechanical drawings 0 454 4 80 9 20 9 50 B 2990009000000GSQ 2999969 2509089 0999099 LFL ELLELE EFE BSEBBHSEHEBSESESESH d LO Fi L 1 7 HBEEEESERER5SS5555 sRseffag 848855 sEsbBebBabBeBeBsSBsE 1 9 9 19 9 019 Figure 17 Circuit board top and enclosure dimensions 20 Chapter 4 Calibrating the USB 2416 Measurement Computing calibrates the USB 2416 using an NIST traceable calibration method This method stores a correction factor for each AIN range in non volatile memory on the device at the time of calibration Allow a 45 minute warm up period before calibrating the USB 2416 Calibration m
10. 0 002 0 0005 21 709 pV 0 0006 1 50 8 5 0 002 6uV 0 0005 21 773 uV 0 0006 1 25 S s 0 002 0 0005 21 746 uV 0 0006 1 10 S s 0 002 0 0005 21 927 0 0006 1 5 5 5 0 002 0 0005 21 803 uV 0 0006 1 2 5 S s 0 002 0 0005 21 784 uV 0 0006 1 0 3125 3750 S s 0 005 7 uV 0 0006 24 500 pV 0 0006 1 2000 S s 0 005 0 0006 23 443 uV 0 0006 1 1000 S s 0 005 6uV 0 0006 23 086 uV 0 0006 1 500 S s 0 005 0 0006 23 094 u V 0 0006 1 100 S s 0 005 0 0006 23 084 u V 0 0006 1 60 S s 0 005 0 0006 23 288 u V 0 0006 1 50 S s 0 005 0 0006 23 232 uV 0 0006 1 25 8 5 0 005 6uV 0 0006 23 191 uV 0 0006 1 10 S s 0 005 0 0006 23 125 uV 0 0006 1 5 8 5 0 005 0 0006 23 182 uV 0 0006 1 2 5 S s 0 005 0 0006 23 127 0 0006 1 0 15625 V 3750 S s 0 006 6uV 0 0005 15 856 uV 0 0006 1 2000 S s 0 006 0 0005 15 793 uV 0 0006 1 1000 S s 0 006 0 0005 15 902 uV 0 0006 1 500 S s 0 006 6uV 0 0005 16 118 uV 0 0006 1 100 S s 0 006 0 0005 15 877 u V 0 0006 1 60 S s 0 006 0 0005 16 014 uV 0 0006 1 50 S s 0 006 0 0005 16 122 u V 0 0006 1 25 5 0 006 0 0005 15 903 uV 0 0006 1 10 S s 0 006 0 0005 15 927 u V 0 0006 1 5 S s 0 006 0 0005 15 981 u V 0 0006 1 2 5 S s 0 006 0 0005 15 979 u V 0 0006 1 33 USB 2416 User s Guide Specifications
11. 0 71 0 68 0 56 0 51 0 39 0 37 0 15625 V 2 01 2 55 1 13 1 00 0 86 0 68 0 68 0 64 0 40 0 47 0 35 20 078125 V 2 04 2 28 1 39 1 04 0 65 0 63 0 60 0 54 0 35 0 32 0 36 Table 16 Noise free resolution specifications bits A D data rate Range 3750 S s 2000 S s 1000 5 5 500 S s 100 5 5 60 S s 50 S s 25 S s 10 S s 5 S s 2 5 S s 20 V 17 4 17 7 18 2 18 6 19 4 19 4 19 6 19 6 20 6 20 6 214 10 V 17 2 17 6 18 1 18 7 19 3 19 3 19 5 20 0 20 6 21 0 21 0 5 V 17 4 17 6 18 1 18 5 19 2 19 4 19 4 19 4 206 21 0 21 0 2 5 V 17 2 17 4 18 1 18 4 19 3 19 4 19 4 19 7 20 3 20 7 21 0 1 25 V 17 0 17 1 174 18 0 18 8 18 8 18 9 19 3 19 5 19 5 19 7 0 625 V 16 0 16 2 17 1 17 3 17 8 18 0 18 1 18 3 18 9 18 8 19 2 0 3125 V 15 3 15 3 16 2 16 4 17 0 17 0 17 0 17 3 17 5 17 9 17 9 0 15625 V 14 5 14 1 15 3 15 5 15 7 16 1 16 1 16 1 16 8 16 9 17 1 0 078125 V 14 5 14 3 15 0 15 4 16 1 16 2 16 2 16 4 17 0 17 1 16 9 Channel switching error Table 17 Step response accuracy specifications Accuracy Range 3750 S s 2000 S s 1000 S s 500 S s 100 S s 60 S s 50S s 25S s 10S s 5S s 2 5 S s 20 V 0 001196 0 0006 0 0004 0 0003 0 0002 0 0002 10 000296 10 000296 10 000196 0 0001 0 0001 10 V 0 0010 0 0008 0 0005 0 000496 0 0002 0 0002 0 0003 0 0002 0 0001 0 0001 0 0001 5 V 0 0009 0 0008
12. 0006 1 100 S s 0 0015 9 uV 0 0008 66 685 uV 0 0006 1 60 S s 0 0015 10 0 0008 67 014 uV 0 0006 1 50 S s 0 0015 8 uV 0 0008 65 314 uV 0 0006 1 25 S s 0 0015 8 uV 0 0008 65 901 uV 0 0006 1 10 S s 0 0015 8 uV 0 0008 65 759 uV 0 0006 1 5 S s 0 0015 8 uV 0 0008 65 800 uV 0 0006 1 2 5 S s 0 0015 8 uV 0 0008 65 769 uV 0 0006 1 32 USB 2416 User s Guide Specifications Range A D data Gainerror Offset INLerror Absolute Gain temperature Offset temperature rate 96 of error of accuracy coefficient 96 coefficient uV C reading range reading C 1 25 V 3750 S s 0 0025 7 uV 0 0008 48 050 uV 0 0006 1 2000 S s 0 0025 9 uV 0 0008 50 632 uV 0 0006 1 1000 S s 0 0025 8 uV 0 0008 49 359 uV 0 0006 1 500 S s 0 0025 8 uV 0 0008 49 709 uV 0 0006 1 100 S s 0 0025 8 uV 0 0008 49 604 uV 0 0006 1 60 S s 0 0025 8 uV 0 0008 49 417 uV 0 0006 1 50 S s 0 0025 8 uV 0 0008 49 610 uV 0 0006 1 25 S s 0 0025 8 uV 0 0008 49 584 uV 0 0006 1 10 S s 0 0025 8 uV 0 0008 49 482 uV 0 0006 1 5 S s 0 0025 8 uV 0 0008 49 489 uV 0 0006 1 2 5 S s 0 0025 8 uV 0 0008 49 489 uV 0 0006 1 0 625 V 3750 S s 0 003 7 uV 0 0005 28 775 uV 0 0006 1 2000 S s 0 003 0 0005 28 679 uV 0 0006 1 1000 S s 0 003 0 0005 27 762 uV 0 0006 1 500 S s 0 003 0 0005 28 167 uV 0 0006 1 100 S s 0 003 0 0005 28 088 u V 0 0006 1 60 S s
13. 096 C 0 553 C 1300 C 1 915 C 1 524 C 50 S s 200 C 3 196 C 1 750 C 0 029 0 C 1 096 C 0 553 C 1300 C 1 915 C 1 524 C 25 S s 200 C 3 196 C 1 750 C 0 029 0 C 1 096 C 0 553 C 1300 C 1 915 C 1 524 C 10 S s 200 C 3 196 C 1 750 C 0 029 0 C 1 096 C 0 553 C 1300 C 1 915 C 1 524 C 5 S s 200 C 3 196 C 1 750 C 0 029 0 C 1 096 C 0 553 C 1300 C 1 915 C 1 524 C 2 5 S s 200 C 3 196 C 1 750 C 0 029 0 C 1 096 C 0 553 C 1300 C 1 915 C 1 524 C To achieve the thermocouple accuracies listed above the USB 2416 should be warmed up for 45 minutes after the initial power on The accuracies listed above are only guaranteed if the USB 2416 is housed in its plastic enclosure 26 USB 2416 User s Guide Specifications Table 7 R type thermocouple accuracy specifications including CJC measurement error All specifications are A D data rate Sensor Accuracy error Accuracy error Tempco temperature range maximum typical C C 3750 S s 50 C 4 826 C 3 133 C 0 082 250 C 2 117 C 1 424 C 1768 C 2 842 C 2 347 C 2000 S s 50 C 4 826 C 3 133 C 0 082 250 C 2 117 C 1 424 C 1768 C 2 842 C 2 347 C 1000 S s 50 C 4 826 C 3 133 C 0 082 250 C 2 117 C 1 424 C 1768 C 2 842 C 2 347 C 500 S
14. 20 VDC Thermocouple inputs You can make up to 16 high resolution differential thermocouple measurements with the USB 2416 Built in cold junction sensors are provided for each of the screw terminal blocks and any supported TC type can be attached to any of the 16 thermocouple channels Do not connect thermocouples as single ended doing so can cause false readings You do not need to use ground referencing resistors because the analog front end circuit level shifts the thermocouple s output into the common mode input range of the A D When configuring thermocouple sensors keep any stray capacitance as small as possible relative to GND pins 18 36 39 42 44 46 66 81 84 to avoid settling time and accuracy errors The USB 2416 also provides an open thermocouple detection OTD feature for each of the analog input channels configured for thermocouple measurement This feature is automatically enabled as part of the overall acquisition process and detects if an open circuit condition exists at the thermocouple sensor The USB 2416 provides electrostatic discharge ESD protection for each of the thermocouple inputs However before handling thermocouple sensors follow standard ESD practices and discharge any accumulated ESD charge The USB 2416 includes an ESD protection device at each of the analog input terminal block pins If an ESD or transient voltage is coupled into the device the input protection device s clamps the voltage t
15. 36 0 18 15 73 53 58 48 40 65 25 25 6 27 3 85 3 23 1 64 0 66 0 33 0 17 16 68 93 54 82 38 11 23 67 5 87 3 61 3 03 1 54 0 62 0 31 0 16 36 USB 2416 User s Guide Specifications Analog input calibration Table 20 Analog input calibration specifications Parameter Specifications Recommended warm up time 45 minutes minimum Calibration Firmware calibration Calibration interval 1 year Calibration reference 10 000 V 5 mV maximum Actual measured values stored in EEPROM Tempco 5 ppm C maximum Long term stability 30 ppm 1000 hours Digital input output Table 21 Digital input specifications Number of I O 8 channels Configuration Each DIO bit can be independently read from DIN or written to DOUT The DIN bits can be read at any time whether the DOUT is active or tri stated Input voltage range Oto 15 V Input type CMOS Schmitt trigger Input characteristics 47 pull up pull down resistor 28 series resistor Maximum input voltage range 0 to 20 V maximum power on off relative to DGND pins 93 and 94 Pull up pull down configuration All pins pulled up to 5 V via individual 47 resistors the JP1 shorting block default position is pins 1 and 2 Pull down capability is available by placing the JP1 shorting block across pins 2 and 3 Transfer rate software paced 500 port reads or single bit r
16. 396 C 1 941 C 10 S s 210 C 2 735 C 1 524 C 0 029 0 C 0 948 C 0 457 C 1372 C 2 396 C 1 941 C 5 S s 210 C 2 735 C 1 524 C 0 029 0 C 0 948 C 0 457 C 1372 C 2 396 C 1 941 C 2 5 S s 210 C 23I C 1 524 C 0 029 0 C 0 948 C 0 457 C 1372 C 2 396 C 1 941 C To achieve the thermocouple accuracies listed above the USB 2416 should be warmed up for 45 minutes after the initial power on The accuracies listed above are only guaranteed if the USB 2416 is housed in its plastic enclosure 25 USB 2416 User s Guide Specifications Table 6 N type thermocouple accuracy specifications including CJC measurement error All specifications are A D data rate Sensor Accuracy error Accuracy error Tempco temperature range maximum typical C C 3750 S s 200 C 3 480 C 2 030 C 0 029 0 C 1 201 C 0 659 C 1300 C 1 991 C 1 600 C 2000 S s 200 C 3 480 C 2 030 C 0 029 0 C 1 201 C 0 659 C 1300 C 1 991 C 1 600 C 1000 S s 200 C 3 480 C 2 030 C 0 029 0 C 1 201 C 0 659 C 1300 C 1 991 C 1 600 C 500 S s 200 C 3 196 C 1 750 C 0 029 0 C 1 096 C 0 553 C 1300 C 1 915 C 1 524 C 100 S s 200 C 3 196 C 1 750 C 0 029 0 C 1 096 C 0 553 C 1300 C 1 915 C 1 524 C 60 S s 200 C 3 196 C 1 750 C 0 029 0 C 1
17. 5 S s 200 C 2 306 C 1 244 C 0 017 0 C 1 017 C 0 499 C 1000 C 1 539 C 1 175 C To achieve the thermocouple accuracies listed above the USB 2416 should be warmed up for 45 minutes after the initial power on The accuracies listed above are only guaranteed if the USB 2416 is housed in its plastic enclosure 30 USB 2416 User s Guide Specifications Table 11 T type thermocouple accuracy specifications including CJC measurement error All specifications are A D data rate Sensor Accuracy error Accuracy error Tempco temperature range maximum typical C C 3750 S s 200 C 2 821 C 1 676 C 0 027 0 C 1 050 C 0 558 C 400 C 0 957 C 0 595 C 2000 S s 200 C 2 821 C 1 676 C 0 027 0 C 1 050 C 0 558 C 400 C 0 957 C 0 595 C 1000 S s 200 C 2 821 C 1 676 C 0 027 0 C 1 050 C 0 558 C 400 C 0 957 C 0 595 C 500 S s 200 C 2 644 C 1 505 C 0 027 0 C 0 979 C 0 487 C 400 C 0 912 C 0 551 C 100 S s 200 C 2 644 C 1 505 C 0 027 0 C 0 979 C 0 487 C 400 C 0 912 C 0 551 C 60 S s 200 C 2 644 C 1 505 C 0 027 0 C 0 979 C 0 487 C 400 C 0 912 C 0 551 C 50 S s 200 C 2 644 C 1 505 C 0 027 0 C 0 979 C 0 487 C 400 C 0 912 C 0 551 C 25 S s 200 C 2 644 C 1 505 C 0 027 0 C 0 979
18. 93 54 82 38 11 23 67 5 87 3 61 3 03 1 54 0 62 0 31 0 16 17 64 88 51 60 35 87 22 28 5 53 3 40 2 85 1 45 0 58 0 29 0 15 18 61 27 48 73 33 88 21 04 5 22 3 21 2 69 1 37 0 55 0 28 0 14 19 58 05 46 17 32 09 19 94 4 95 3 04 2 55 1 30 0 52 0 26 0 13 20 55 15 43 86 30 49 18 94 4 70 2 89 2 42 1 23 0 50 0 25 0 12 21 52 52 41 77 29 04 18 04 4 48 2 75 2 31 1 17 0 47 0 24 0 12 22 50 13 39 87 21 72 17 22 4 27 2 63 2 20 1 12 0 45 0 23 0 11 23 47 95 38 14 26 51 16 47 4 09 2 51 2 11 1 07 0 43 022 0 11 24 45 96 36 55 25 41 15 78 3 92 2 41 2 02 1 03 0 41 0 21 0 10 25 44 12 35 09 24 39 15 15 3 76 2 31 1 94 0 98 0 40 0 20 0 10 26 42 42 33 74 23 45 14 57 3 61 2 22 1 86 0 95 0 38 0 19 0 10 27 40 85 32 49 22 58 14 03 3 48 2 14 1 79 0 91 0 37 0 18 0 09 28 39 39 31 33 21 78 13 53 3 36 2 06 1 73 0 88 0 35 0 18 0 09 29 38 03 30 25 21 03 13 06 3 24 1 99 1 67 0 85 0 34 0 17 0 09 30 36 76 29 24 20 33 12 63 3 13 1 93 1 61 0 82 0 33 0 17 0 08 31 35 58 28 30 19 67 12 22 3 03 1 86 1 56 0 79 0 32 0 16 0 08 32 34 47 27 41 19 05 11 84 2 94 1 81 1 51 0 77 0 31 0 16 0 08 USB 2416 User s Guide Specifications AI EXP32 Screw terminal pinout Do not connect to terminal block pins labeled NC Table 36 32 channel differential mode pinout Pin Signal name Pin descr
19. NC GND CH4H CH4L NC NC CH5H CHSL 1 2 3 4 5 6 7 8 9 Figure 4 16 channel differential mode pinout Differential connection guidelines SELESLSSSEISRLSRES No connection Channel 15 LO Channel 15 HI No connection No connection Channel 14 LO Channel 14 HI No connection No connection Channel 13 LO Channel 13 HI No connection No connection Channel 12 LO Channel 12 HI No connection No connection Analog ground Channel 11 LO Channel 11 HI No connection No connection Channel 10 LO Channel 10 HI No connection No connection Channel 9 LO Channel 9 HI No connection No connection Channel 8 LO Channel 8 HI Analog ground No connection No connection Analog ground Digital input output Digital input output Digital input output Digital input output Digital input output Digital input output Digital input output Digital input output Digital ground Digital ground No connection No connection When connecting differential voltage inputs to a floating voltage source make sure there is a DC return path from each voltage input to ground You make this path by connecting a resistor from each input to a GND pin pins 18 36 39 42 44 46 66 81 84 A value of approximately 100 kQ can be used for most applications Leave unused input channels either floating or tied to GND pins 18 36 39 42 44 46 66 81 84 Source impedances should be kept as small as possible to avoid settling time and
20. circuit connected to the system bus interface Isolation provides a barrier between the host computer and potentially hazardous voltages by physically and electrically separating two parts of the measurement device 16 USB 2416 User s Guide Functional Details The non isolated ground is common to the chassis ground of the computer while the isolated ground is not All analog measurements are made relative to the isolated ground See Figure 12 for details Isolation IO connector barrier isolated uC Isolated Digital HC isolator Isolated ground Non isolated ground DSUB 37 connector 2 Figure 12 USB 2416 input isolation When making measurements in industrial environments DAQ devices can encounter hazardous voltages transients large common mode voltages and fluctuating ground potentials Any one of these issues can seriously degrade the measurement accuracy of the device and possibly damage the measurement instrument To overcome these issues some DAQ devices provide physical and electrical isolation Some of the benefits of isolation include Safety DAQ device employing physical and electrical isolation helps to keep high voltages and transients from damaging the system side host PC Ground loops Improper grounding of the signal source that DAQ device is measuring is one of the
21. most common sources of noise and measurement inaccuracies Isolation improves the measurement accuracy by physically preventing ground loops Ground loops a common source of noise and error are the results of a measurement system having multiple grounds at different potentials Common mode rejection With isolation a DAQ device can measure small signals in the presence of large common mode voltages Isolation increases the measurement system s ability to reject common mode voltages The common mode voltage is the signal that is common to both the positive and negative inputs of the measurement device but is not part of the signal to measure Digital I O The USB 2416 provides up to eight digital I O lines with read write rates of 500 port reads or single bit reads per second Digital input voltage ranges of 0 V to 15 V are permitted with thresholds of 0 6 V low and 2 6 V high Each DIO channel is an open drain which when used as an output is capable of sinking up to 150 mA for direct drive applications The maximum sink current is 150 mA per eight channel bank or if all eight channels are used 18 mA maximum per channel Figure 13 is an example of a typical DIO connection The figure represents connections for one channel The other seven channels are connected in the same manner 17 USB 2416 User s Guide Functional Details Typical DIO channel Isolated microcontroller Figure 13 Digital output connectio
22. or Vex gt 5 5 V PWR LED Off power fault 4 5 V lt Vex lt 5 5 V PWR LED On 5V user output voltage range Available at terminal block pin 35 4 9 V minimum to 5 1 V maximum User 5V user output current Available at terminal block pin 35 10 mA maximum Isolation Measurement system to PC 500 VDC minimum Table 27 AC power requirements Parameter Conditions Specification Output voltage 5 V 5 Output wattage 10 watts Power jack configuration Two conductor Power jack barrel diameter 6 3mm Power jack pin diameter 2 0mm Power jack polarity Center positive Note 8 This is the total quiescent current requirement for the USB 2416 which includes up to 10 mA for the status LED This does not include any potential loading of the digital I O bits or the 5V user terminal Note 9 This specification applies to the actual voltage level at the input to the external power connector of the USB 2416 USB specifications Table 28 USB specifications USB device type USB 2 0 full speed Device compatibility USB 1 1 USB 2 0 USB cable type A B cable UL type AWM 2527 or equivalent minimum 24 AWG VBUS GND minimum 28 AWG D D USB cable length 5 meters maximum Environmental The environmental specifications listed in Table 29 apply only to the USB 2416 and not to the AC power adapter Table 29 Environmental specifications Operating temperature range 0 to
23. pins for any other purpose Table 34 AI EXP32 37 pin connector pinout Do not connect to terminal block pins labeled NC Pin Signal name Pin description 1 GND Analog ground 2 NC No connect 3 GND Analog ground 4 NC No connect 5 GND Analog ground 6 12 V power 7 NC No connect 8 NG No connect 9 IM_A2 I O control signa 10 IM A1 I O control signal 11 IM AO I O control signal 12 IMEN10 I O control signal 13 IMEN9 I O control signal 14 IMEN8 I O control signal 15 IMEN7 I O control signa 16 DIO_LOAD2 I O control signal 17 DIO_LOAD1 I O control signal 18 NC No connect 19 NC No connect 20 3 3V ISO 3 3 V power 21 GND Analog ground 22 5 VA 5 V analog power 23 20 5V 20 5 V power 24 GND Analog ground 25 20 5V 20 5 V power 26 VDD_ISO 5 V digital power 27 EXTDIO_INT I O control signal 28 CM_A3 I O control signal 29 SM_A1 I O control signal 30 SM_AO I O control signal 31 CM_A2 I O control signal 32 SCL Serial I O control signal 33 SDA Serial I O control signal 34 MOSI Serial I O control signal 35 SCK Serial I O control signal 36 NG No connect 37 NG No connect The multiple channel throughput rate calculation is based on the following formula Maximum throughput gt c don sata rats Pr 1 i where n is the number of channels 43 USB 241
24. s 50 C 4 065 C 2 379 C 0 082 250 C 1 805 C 1 113 C 1768 C 2 619 C 2 123 C 100 S s 50 C 4 065 C 2 379 C 0 082 250 C 1 805 C 1 113 C 1768 C 2 619 C 2 123 C 60 S s 50 C 4 065 C 2 379 C 0 082 250 C 1 805 C 1 113 C 1768 C 2 619 C 2 123 C 50 S s 50 C 4 065 C 2 379 C 0 082 250 C 1 805 C 1 113 C 1768 C 2 619 C 2 123 C 25 S s 50 C 4 065 C 2 379 C 0 082 250 C 1 805 C 1 113 C 1768 C 2 619 C 2 123 C 10 S s 50 C 4 065 C 2 379 C 0 082 250 C 1 805 C 1 113 C 1768 C 2 619 C 2 123 C 5 S s 50 C 4 065 C 2 379 C 0 082 250 C 1 805 C 1 113 C 1768 C 2 619 C 2 123 C 2 5 S s 50 C 4 065 C 2 379 C 0 082 250 C 1 805 C 1 113 C 1768 C 2 619 C 2 123 C To achieve the thermocouple accuracies listed above the USB 2416 should be warmed up for 45 minutes after the initial power on The accuracies listed above are only guaranteed if the USB 2416 is housed in its plastic enclosure 27 USB 2416 User s Guide Specifications Table 8 S type thermocouple accuracy specifications including CUC measurement error All specifications are A D data rate Sensor Accuracy error Accuracy error Tempco temperature range maximum typical C C 3750 S s 50 C 4 510 C 2 930 C 0 088 250
25. 0 DGND Digital ground 78 DGND Digital ground 31 NC No connect 79 NC No connect 32 NC No connect 80 NC No connect 45 USB 2416 User s Guide Specifications Do not connect to terminal block pins labeled Table 37 32 channel single ended mode pinout Pin Signal name Pin description Pin Signal name Pin description 1 CH16H Channel 16 33 CH31L Channel 63 2 CH16L Channel 48 34 CH31H Channel 31 3 CH17H Channel 17 35 CH30L Channel 62 4 CH17L Channel 49 36 CH30H Channel 30 5 CH18H Channel 18 37 CH29L Channel 61 6 CH18L Channel 50 38 CH29H Channel 29 7 CH19H Channel 19 39 CH28L Channel 60 8 CH19L Channel 51 40 CH28H Channel 28 9 CH20H Channel 20 41 CH27L Channel 59 10 CH20L Channel 52 42 CH27H Channel 27 11 CH21H Channel 21 43 CH26L Channel 58 12 CH21L Channel 53 44 CH26H Channel 26 13 CH22H Channel 22 45 CH25L Channel 57 14 CH22L Channel 54 46 CH25H Channel 25 15 CH23H Channel 23 47 CH24L Channel 56 16 CH23L Channel 55 48 CH24H Channel 24 17 GND Analog ground 49 GND Analog ground 18 GND Analog ground 50 GND Analog ground 19 5VUSER 5V output 51 NC No connect 20 NC No connect 52 NC No connect 21 DIO8 Digital input output 69 DIO23 Digital input output 22 DIO9 Digital input output 70 DIO22 Digital input output 23 DIO10 Digital input output 71 DIO21 Digital input output 24 DIO11 Digital inpu
26. 003 12uV 0 0008 772 070 u V 0 0006 3 10 S s 0 003 13 0 0008 773 400 u V 0 0006 3 5 S s 0 003 14uV 0 0008 773 579 u V 0 0006 3 2 5 S s 0 003 14uV 0 0008 773 537 u V 0 0006 3 10 V 3750 S s 0 003 42uV 0 0008 421 600 uV 0 0006 3 2000 S s 0 003 36uV 0 0008 416 004 u V 0 0006 3 1000 S s 0 003 15 0 0008 395 252 uV 0 0006 3 500 S s 0 003 0 0008 387 216 u V 0 0006 3 100 S s 0 002 0 0005 288 470 u V 0 0006 3 60 S s 0 002 10 0 0008 290 090 u V 0 0006 3 50 S s 0 002 8 uV 0 0008 287 719 u V 0 0006 3 25 5 0 002 0 0008 285 672 u V 0 0006 3 10 S s 0 002 0 0005 285 982 u V 0 0006 3 5 S s 0 002 0 0008 286 003 uV 0 0006 3 2 5 S s 0 002 0 0005 286 086 uV 0 0006 3 5 V 3750 S s 0 003 21 uV 0 0008 210 800 uV 0 0006 2 2000 S s 0 003 21uV 0 0008 210 712 u V 0 0006 2 1000 S s 0 003 8 uV 0 0008 198 254 u V 0 0006 2 500 S s 0 002 0 0005 146 499 u V 0 0006 2 100 S s 0 002 0 0008 147 285 u V 0 0006 2 60 S s 0 002 0 0005 148 216 uV 0 0006 2 50 S s 0 002 0 0005 146 196 uV 0 0006 2 25 S s 0 002 0 0005 145 996 u V 0 0006 2 10 S s 0 002 0 0008 145 820 u V 0 0006 2 5 S s 0 002 0 0008 145 817 u V 0 0006 2 2 5 9 5 0 002 0 0005 145 810 uV 0 0006 2 2 5 V 3750 S s 0 002 13uV 0 0008 83 000 uV 0 0006 1 2000 S s 0 002 13 0 0008 83 062 uV 0 0006 1 1000 S s 0 002 9 uV 0 0008 79 487 uV 0 0006 1 500 S s 0 0015 9 uV 0 0008 66 232 uV 0
27. 2 442 C 1 334 C 0 022 0 C 0 881 C 0 415 C 1200 C 1 821 C 1 408 C To achieve the thermocouple accuracies listed above the USB 2416 should be warmed up for 45 minutes after the initial power on The accuracies listed above are only guaranteed if the USB 2416 is housed in its plastic enclosure 24 USB 2416 User s Guide Specifications Table 5 K type thermocouple accuracy specifications including CUC measurement error All specifications are A D data rate Sensor Accuracy error Accuracy error Tempco temperature maximum typical C C 3750 S s 210 C 2 917 C 1 699 C 0 029 0 C 1 017 C 0 526 C 1372 C 2 478 C 2 022 C 2000 S s 210 C 2 917 C 1 699 C 0 029 0 C 1 017 C 0 526 C 1372 C 2 478 C 2 022 C 1000 S s 210 C 2 917 C 1 699 C 0 029 0 C 1 017 C 0 526 C 1372 C 2 478 C 2 022 C 500 S s 210 C 2 735 C 1 524 C 0 029 0 C 0 948 C 0 457 C 1372 C 2 396 C 1 941 C 100 S s 210 C 2 735 C 1 524 C 0 029 0 C 0 948 C 0 457 C 1372 C 2 396 C 1 941 C 60 S s 210 C 2 735 C 1 524 C 0 029 0 C 0 948 C 0 457 C 1372 C 2 396 C 1 941 C 50 S s 210 C 2 735 C 1 524 C 0 029 0 C 0 948 C 0 457 C 1372 C 2 396 C 1 941 C 25 S s 210 C 2 735 C 1 524 C 0 029 0 C 0 948 C 0 457 C 1372 C 2
28. 35 C 30 15 C typical 0 C to 55 C 30 5 C maximum Note 1 Placing a notch of the A D digital filter at 60 Hz setting A D data rate 60 S s 10 S s 5 S s or 2 5 S s further improves the common mode rejection of this frequency Channel configurations When any item is changed the firmware stores channel configurations in the EEPROM of the isolated microcontroller An external application issues commands over the USB to make changes and the configuration is made non volatile through the use of the EEPROM When connecting differential voltage inputs to a floating voltage source provide a DC return path from each voltage input to ground To do this connect a resistor from each input to a GND pin pins 18 36 39 42 44 46 66 81 84 A value of approximately 100 kQ can be used for most applications Leave unused input channels either floating or tied to GND pins 18 36 39 42 44 46 66 81 84 Source impedances should be kept as small as possible to avoid settling time and accuracy errors For each voltage thermocouple channel configured as differential you essentially lose one single ended channel You can add channels by connecting to an AI EXP32 Table 2 Channel configurations Channel Category Specification CxH CxL Thermocouple 16 differential channels CxH CxL Voltage 32 individually configurable channels that can be configured as either single ended or CxH CxL Voltage diff
29. 4L CH12H and CHI2L CHS5SHand CHSL and CHI3L CH6L CHI4H and CH14L CH7H CH7L CHISL You can select a unique input range or signal type for each channel For example one channel could be used for volts and another for temperature When connecting differential voltage inputs to a floating voltage source make sure there is a DC return path from each voltage input to ground You make this path by connecting a resistor from each input to a GND pin pins 18 36 39 42 44 46 66 81 84 A value of approximately 100 can be used for most applications This does not apply to channels configured for thermocouple input as they have their own internal reference Leave unused input channels either floating or tied to GND pins 18 36 39 42 44 46 66 81 84 Source impedances should be kept as small as possible to avoid settling time and accuracy errors 13 USB 2416 User s Guide Functional Details Analog input mode The USB 2416 makes high resolution voltage measurements in either a single ended or fully differential mode You can configure the USB 2416 for the following voltage input ranges 20 V 10V 5 42 5 V 125 0 625 V 0 3125 V 0 15625 V 0 078125 V Each analog input channel has the following measurement parameters signal type of volts or thermocouple type J K T E R S B or N full scale voltage from 20 to
30. 50 C maximum Storage temperature range 40 to 85 C maximum Humidity 0 to 90 non condensing maximum 39 USB 2416 User s Guide Specifications Mechanical Table 30 Mechanical specifications Dimensions 245 mm L x 146 mm W x 50mm H User connection length 5 meters maximum Screw terminal connector type and pinout Table 31 Screw terminal connector specifications Connector type Detachable screw terminal Wire gauge range 16 AWG to 30 AWG 40 USB 2416 User s Guide Specifications Screw terminal pinout For additional channel configurations when using the optional expansion device refer to the Optional ALEXP32 expansion module section on page 43 Do not connect to terminal block pins labeled NC Table 32 16 channel differential mode pinout Pin Signal name Pin description Pin Signal name Pin description 1 NC No connect 49 NC No connect 2 CHOH Channel 0 HI 50 CH15L Channel 15 LO 3 CHOL Channel 0 LO 51 CH15H Channel 15 HI 4 NC No connect 52 IC14 No connect 5 IC0 No connect 53 4WC14 No connect 6 CH1H Channel 1 HI 54 CH14L Channel 14 LO 7 CH1L Channel 1 LO 55 CH14H Channel 14 HI 8 4WC1 No connect 56 IC13 No connect 9 IC1 No connect 57 4WC13 No connect 10 CH2H Channel 2 HI 58 CH13L Cha
31. 6 User s Guide Specifications Table 35 Multiple channel throughput rate specifications Hz USB 2416 and optional AI EXP32 expansion module 3750 S s 2000 S s 1000 S s 500 S s 100 S s 60 S s 50 5 5 25 S s 10S s 5 5 6 2 5 S s Number of input channels 1 1102 94 877 19 609 76 378 79 93 98 5778 4845 24 61 9 94 4 98 2 50 2 551 47 438 60 304 88 189 39 46 99 28 89 2422 12 30 4 97 2 49 1 25 3 367 65 292 40 203 25 126 26 31 33 19 26 16 15 820 3 31 1 66 0 83 4 275 74 219 30 152 44 94 70 23 50 14 45 12 11 6 15 2 48 1 25 0 62 5 220 59 175 44 121 95 75 76 18 80 11 56 9 69 4 92 1 99 1 00 0 50 6 183 82 146 20 101 63 63 13 15 66 9 63 8 07 4 10 1 66 0 83 0 42 7 157 56 125 31 87 11 54 11 13 43 8 25 6 92 3 52 1 42 0 71 0 36 8 137 87 109 65 76 22 47 35 11 75 7 22 6 06 3 08 1 24 0 62 0 31 9 122 55 97 47 67 75 42 09 10 44 6 42 5 38 2 73 1 10 0 55 0 28 10 110 29 87 72 60 98 37 88 9 40 5 78 4 84 2 46 0 99 0 50 0 25 11 100 27 79 74 55 43 34 44 8 54 5 25 4 40 2 24 0 90 0 45 0 23 12 91 91 73 10 50 81 31 57 7 83 4 82 4 04 2 05 0 83 0 42 0 21 13 84 84 67 48 46 90 29 14 7 23 4 44 3 73 1 89 0 76 0 38 0 19 14 78 78 62 66 43 55 27 06 6 71 4 13 3 46 1 76 0 71 0 36 0 18 15 73 53 58 48 40 65 25 25 6 27 3 85 3 23 1 64 0 66 0 33 0 17 16 68
32. 6 screw terminal pinout with AI EXP32 attached Declaration of Conformity nanna nanna Preface About this User s Guide What you will learn from this user s guide This user s guide explains how to install configure and use the USB 2416 so that you get the most out of its analog input thermocouple TC input digital I O and counter timer I O features Conventions in this user s guide For more information Text presented in a box signifies additional information and helpful hints related to the subject matter you are reading Caution Shaded caution statements present information to help you avoid injuring yourself and others damaging your hardware or losing your data bold text Bold text is used for the names of objects on a screen such as buttons text boxes and check boxes italic text Italic text is used for the names of manuals and help topic titles and to emphasize a word or phrase Where to find more information Additional information about the USB 2416 is available on our website at www mccdaq com You can also contact Measurement Computing Corporation by phone fax or email with specific questions Knowledgebase kb mccdaq com Phone 508 946 5100 and follow the instructions for reaching Tech Support Fax 508 946 9500 to the attention of Tech Support Email techsupport mccdaq com Chapter 1 Introducing the USB 2416 Overview USB 2416 features The
33. C 0 487 C 400 C 0 912 C 0 551 C 10 S s 200 C 2 644 C 1 505 C 0 027 0 C 0 979 C 0 487 C 400 C 0 912 C 0 551 C 5 S s 200 C 2 644 C 1 505 C 0 027 0 C 0 979 C 0 487 C 400 C 0 912 C 0 551 C 2 5 S s 200 C 2 644 C 1 505 C 0 027 0 C 0 979 C 0 487 C 400 C 0 912 C 0 551 C To achieve the thermocouple accuracies listed above the USB 2416 should be warmed up for 45 minutes after the initial power on The accuracies listed above are only guaranteed if the USB 2416 is housed in its plastic enclosure 31 USB 2416 User s Guide Specifications Analog input DC voltage measurement accuracy Table 12 DC Accuracy components and specifications All values are Range A D data Gain error Offset INLerror Absolute Gain temperature Offset temperature rate 96 of error of accuracy coefficient 96 coefficient uV C reading range reading C 20 V 3750 S s 0 003 98 HV 0 0008 857 600 u V 0 0006 3 2000 S s 0 003 6luV 0 0008 821 185 u V 0 0006 3 1000 S s 0 003 27uV 0 0008 787 226 uV 0 0006 3 500 S s 0 003 12uV 0 0008 772 193 u V 0 0006 3 100 S s 0 003 11 0 0008 771 014 u V 0 0006 3 60 S s 0 003 15uV 0 0008 774 689 u V 0 0006 3 50 S s 0 003 12uV 0 0008 771 603 u V 0 0006 3 25 S s 0
34. C 2 165 C 1 468 C 1768 C 3 187 C 2 597 C 2000 S s 50 C 4 510 C 2 930 C 0 088 250 C 2 165 C 1 468 C 1768 C 3 187 C 2 597 C 1000 S s 50 C 4 510 C 2 930 C 0 088 250 C 2 165 C 1 468 C 1768 C 3 187 C 2 597 C 500 S s 50 C 3 798 C 2 226 C 0 088 250 C 1 853 C 1 156 C 1768 C 2 922 C 2 332 C 100 S s 50 C 3 798 C 2 226 C 0 088 250 C 1 853 C 1 156 C 1768 C 2 922 C 2 332 C 60 S s 50 C 3 798 C 2 226 C 0 088 250 C 1 853 C 1 156 C 1768 C 2 922 7C 2 332 C 50 S s 50 3 798 C 2 226 C 0 088 250 C 1 853 C 1 156 C 1768 C 2 922 C 2 332 C 25 S s 50 C 3 798 C 2 226 C 0 088 250 C 1 853 C 1 156 C 1768 C 2 922 C 2 332 C 10 S s 50 C 3 798 C 2 226 C 0 088 250 C 1 853 C 1 156 C 1768 C 2902036 2 332 C 5 S s 50 C 3 798 C 2 226 C 0 088 250 C 1 853 C 1 156 C 1768 C 29022165 2 332 C 2 5 S s 50 3 798 C 2 226 C 0 088 250 C 1 853 C 1 156 C 1768 C 2 922 C 2 332 C To achieve the thermocouple accuracies listed above the USB 2416 should be warmed up for 45 minutes after the initial power on The accuracies listed above are only guaranteed if the USB 2416 is housed in its plastic enclosure 28 USB 2416 User s Guide Specifications Table 9 B
35. CH12H Channel 12 16 4WC3 No connect 64 IC11 No connect 17 IC3 No connect 65 4WC11 No connect 18 GND Analog ground 66 GND Analog ground 19 CH4H Channel 4 67 CH11L Channel 43 20 CH4L Channel 36 68 CH11H Channel 11 21 4WC4 No connect 69 IC10 No connect 22 IC4 No connect 70 4WC10 No connect 23 CH5H Channel 5 71 CH10L Channel 42 24 CH5L Channel 37 72 CH10H Channel 10 25 4WC5 No connect 73 IC9 No connect 26 IC5 No connect 74 4WC9 No connect 27 CH6H Channel 6 75 CH9L Channel 41 28 CH6L Channel 38 76 CH9H Channel 9 29 4WC6 No connect 77 IC8 No connect 30 IC6 No connect 78 4WC8 No connect 31 CH7H Channel 7 79 CH8L Channel 40 32 CH7L Channel 39 80 CH8H Channel 8 33 4WC7 No connect 81 GND Analog ground 34 IC7 No connect 82 NC No connect 35 5V 5V output 83 NG No connect 36 GND Analog ground 84 GND Analog ground 37 NC No connect 85 DIO7 Digital input output 38 NC No connect 86 DIO6 Digital input output 39 GND Analog ground 87 DIO5 Digital input output 40 NC No connect 88 DIO4 Digital input output 41 NC No connect 89 DIO3 Digital input output 42 GND Analog ground 90 DIO2 Digital input output 43 CTR0 Counter input ChO 91 DIO1 Digital input output 44 GND Analog ground 92 DIO0 Digital input output 45 CTR1 Counter input Ch1 93 DGND Digital ground 46 GND Analog ground 94 DGND Digital ground 47 NC No connect 95 NC No connect 48 NC No connect 96 NC No connect 47 C Declaration of Conformity Manufac
36. H5L Channel 21 72 CH10H Channel 10 25 4WC5 No connect 73 IC9 No connect 26 IC5 No connect 74 4WC9 No connect 27 CH6H Channel 6 75 CH9L Channel 25 28 CH6L Channel 22 76 CH9H Channel 9 29 4WC6 No connect 77 IC8 No connect 30 IC6 No connect 78 4WC8 No connect 31 CH7H Channel 7 79 CH8L Channel 24 32 CH7L Channel 23 80 CH8H Channel 8 33 4WC7 No connect 81 GND Analog ground 34 IC7 No connect 82 NC No connect 35 5V 5V output 83 NG No connect 36 GND Analog ground 84 GND Analog ground 37 NC No connect 85 DIO7 Digital input output 38 NC No connect 86 DIO6 Digital input output 39 GND Analog ground 87 DIO5 Digital input output 40 NC No connect 88 DIO4 Digital input output 41 NC No connect 89 DIO3 Digital input output 42 GND Analog ground 90 DIO2 Digital input output 43 CTR0 Counter input ChO 91 DIO1 Digital input output 44 GND Analog ground 92 DIOO Digital input output 45 CTR1 Counter input Ch1 93 DGND Digital ground 46 GND Analog ground 94 DGND Digital ground 47 NC No connect 95 NC No connect 48 NC No connect 96 NC No connect 42 USB 2416 User s Guide Specifications Optional Al EXP32 expansion module Use the AI EXP32 sold separately for applications that need additional analog thermocouple input and digital I O channels See Measurement Computing web site for product details The AI EXP32 expansion port is intended to interface with a USB 2416 series product Do not try to use any of the expansion port
37. S s 378 79 100 S s 93 98 60 S s 57 78 50 S s 48 45 25 S s 24 61 10 S s 9 94 5 S s 4 98 2 5 S s 2 50 The multiple channel throughput rate is calculated using this formula 1 640 J data rate Maximum throughput where n is the number of channels Table 19 Multiple channel throughput rate specifications Hz 3750 S s 2000 S s 1000 S s 500 S s 100 S s 60 S s 50 S s 25 S s 10 S s 5 S s 2 5 S s Number of input channels 1 1102 94 877 19 609 76 378 79 93 98 57 78 48 45 24 61 9 94 4 98 2 50 2 551 47 438 60 304 88 189 39 46 99 28 89 24 22 12 30 4 97 2 49 1 25 3 367 65 292 40 203 25 126 26 31 33 19 26 16 15 8 20 3 31 1 66 0 83 4 275 74 219 30 152 44 94 70 23 50 1445 12 11 6 15 2 48 1 25 0 62 5 220 59 175 44 121 95 75 76 18 80 11 56 9 69 4 92 1 99 1 00 0 50 6 183 82 146 20 101 63 63 13 15 66 9 63 8 07 4 10 1 66 0 83 0 42 7 157 56 125 31 87 11 54 11 13 43 8 25 6 92 3 52 1 42 0 71 0 36 8 137 87 109 65 76 22 47 35 11 75 22 6 06 3 08 1 24 0 62 0 31 9 122 55 97 47 67 75 42 09 10 44 6 42 5 38 2 73 1 10 0 55 0 28 10 110 29 87 72 60 98 37 88 9 40 5 78 4 84 2 46 0 99 0 50 0 25 11 100 27 79 74 55 43 34 44 8 54 5 25 4 40 2 24 0 90 0 45 0 23 12 91 91 73 10 50 81 31 57 7 83 4 82 4 04 2 05 0 83 0 42 0 21 13 84 84 67 48 46 90 29 14 7 23 4 44 3 73 1 89 0 76 0 38 0 19 14 78 78 62 66 43 55 27 06 6 71 4 13 3 46 1 76 0 71 0
38. USB 2416 USB based 24 bit Isolated High Channel Count Multifunction DAQ Device User s Guide Document Revision 5 W N Fa MEASUREMENT September 2013 1 Copyright 2013 4 IN COMPUTING Your new Measurement Computing product comes with fantastic extra Management committed to your satisfaction Thank you for choosing a Measurement Computing product and congratulations You own the finest and you can now enjoy the protection of the most comprehensive warranties and unmatched phone tech support It s the embodiment of our mission To provide data acquisition hardware and software that will save time and save money Simple installations minimize the time between setting up your system and actually making measurements We offer quick and simple access to outstanding live FREE technical support to help integrate MCC products into a DAQ system Limited Lifetime Warranty Most MCC products are covered by a limited lifetime warranty against defects in materials or workmanship for the life of the product to the original purchaser unless otherwise noted Any products found to be defective in material or workmanship will be repaired replaced with same or similar device or refunded at MCC s discretion For specific information please refer to the terms and conditions of sale Harsh Environment Program Any Measurement Computing product that is damaged due to misuse or any reason may be eligible for replacement with the same or
39. USB 2416 is supported under popular Microsoft Windows operating systems The USB 2416 is a multifunction measurement and control board designed for the USB bus The USB 2416 is a full speed up to 1 kS s multiplexed 24 bit measurement system that provides up to 16 differential and up to 32 single ended SE analog inputs It offers software selectable analog input ranges of 20 V 10 V 5 V x2 5 V 1 25 V 0 625 V 0 312 V 0 156 V and 0 078 V It also protects your computer by providing a minimum of 500 VDC input isolation between field wiring and the USB interface You can configure up to 16 of the analog inputs as differential thermocouple TC inputs In thermocouple mode the USB 2416 includes built in cold junction compensation and open thermocouple detection You can add up to 32 single ended or up to 16 differential channels by connecting the USB 2416 to an AI EXP32 expansion module Each channel is software configurable as single ended or differential You lose one SE channel for each channel pair configured differentially The device has eight lines of digital I O and two 32 bit counters You can expand up to 24 DIO channels by connecting the USB 2416 to an AI EXP32 expansion module Six banks of removable screw terminal blocks provide connectivity to the analog input channels digital I O lines and counter timer channels Functional block diagram USB 1208LS functions are illustrated in the block diagram shown here
40. accuracy errors When configuring thermocouple sensors keep any stray capacitance as small as possible relative to GND pins 18 36 39 42 44 46 66 81 84 to avoid settling time and accuracy errors For thermocouple channels do not provide a return path to ground This is done internally 10 USB 2416 User s Guide Installing the USB 2416 Screw terminal pinout single ended No connection NC 1 4 NC No connection Channel 0 CHOH 2 50 CH15L Channel31 Channel 16 3 51 CH15H Channel 15 No connection NC 4 52 NC No connection No connection NC 5 53 NC No connection Channel 1 CH1H 6 54 CH14L Channel 30 Channel 17 CHIL 7 55 CH14H Channel 14 No connection NC 8 56 NC connection No connection NC 9 57 NC No connection Channel 2 CH2H 58 CH13L Channel 29 Channel 18 CH2L 59 CH13H Channel 13 No connection NC 60 NC No connection No connection NC 61 NC No connection Channel 3 CH3H 62 CH12L Channel 28 Channel 19 CH3L 53 CH12H Channel 12 No connection NC 64 No connection No connection NC Analog ground GND NC No connection GND Analog ground 65 66 Channel 4 CH4H 67 CHIL Channel27 Channel 20 CH4L 68 CHItH Channel 11 No connection NC 69 NC No connection No connection NC 70 NC No connection Channel 5 CH5H 71 CHIOL Channel 26 Channel 21 CHSL 72 CHIOH Channel 10 No connection NC 73 NC connection No connection NC 74 NC No connection Channel 6 CH6H 75 CH9L Channel 25 Channel 22 CH6L 76 CH9H Channel9 No c
41. age closes the installation is complete The power LED bottom LED blinks during device detection and initialization and then remains solid if properly detected If not check if the USB 2416 has sufficient power When the device is first powered on there is usually a momentary delay before the power LED begins to blink or come on solid Caution Do not disconnect any device from the USB bus while the computer is communicating with the USB 2416 or you may lose data and or your ability to communicate with the USB 2416 Connecting to an AI EXP32 with the DSUB37 expansion connector Use the 37 pin expansion connector to connect the USB 2416 to an AI EXP32 expansion module To connect the two devices directly to each other follow these steps Disconnect the USB cable from the USB 2416 Remove the external power cable from the USB 2416 Connect the two devices together by inserting the AI EXP32 DSUB37 connector into the DSUB37 connector on the USB 2416 Figure 2 USB 2416 directly connected to an AI EXP32 Turn the connected modules over and secure the connection by screwing the connection plate to both modules as shown below Figure 3 USB 2416 secured to an AI EXP32 Connect the external power supply to the power input port of the USB 2416 and then plug it into an AC outlet Connect the USB cable from the USB 2416 to the host computer USB port Connect to a USB 2 0 high speed hub to achieve the highest transfer rate 480 M
42. bps When connected to a USB 1 1 full speed port the transfer rate is limited to 12 Mbps 8 USB 2416 User s Guide Installing the USB 2416 Configuring the hardware Except for the DIO pull up selection all hardware configuration options on the USB 2416 are software controlled You can select some of the configuration options using InstaCal such as the analog input configuration single ended or differential channels When measuring from thermocouples make sure you configure the channels for differential mode Caution Turn off power to all devices connected to the system before making connections Electrical shock or damage to equipment can result even under low voltage conditions Information on signal connections General information regarding signal connection and configuration is available in the Guide to Signal Connections This document is available on our web site at www mccdaq com signals signals pdf Caution Always handle components carefully and never touch connector terminals or circuit components unless you are following ESD guidelines in an appropriate ESD controlled area These guidelines include using properly grounded mats and wrist straps ESD bags and cartons and related procedures Avoid touching board surfaces and onboard components Only handle boards by their edges Make sure the USB 2416 does not come into contact with foreign elements such as oils water and industrial particulate
43. couple sensors to voltages referenced to earth ground as long as isolation between the GND DGND pins and earth ground is maintained Table 4 J type thermocouple accuracy specifications including CJC measurement error All specifications are A D data rate Sensor temperature range Accuracy error Accuracy error Tempco maximum typical C C 3750 S s 210 C LIL 1 416 C 0 022 0 C 0 935 C 0 469 C 1200 C 1 869 C 1 456 C 2000 S s 210 C 2 572 C 1 416 C 0 022 0 C 0 935 C 0 469 C 1200 C 1 869 C 1 456 C 1000 S s 210 C 2 572 C 1 416 C 0 022 0 C 0 935 C 0 469 C 1200 C 1 869 C 1 456 C 500 S s 210 C 2 442 C 1 334 C 0 022 0 C 0 881 C 0 415 C 1200 C 1 821 C 1 408 C 100 S s 210 C 2 442 C 1 334 C 0 022 0 C 0 881 C 0 415 C 1200 C 1 821 C 1 408 C 60 S s 210 C 2 442 C 1 334 C 0 022 0 C 0 881 C 0 415 C 1200 C 1 821 C 1 408 C 50 S s 210 C 2 442 C 1 334 C 0 022 0 C 0 881 C 0 415 C 1200 C 1 821 C 1 408 C 25 S s 210 C 2 442 C 1 334 C 0 022 0 C 0 881 C 0 415 C 1200 C 1 821 C 1 408 C 10 S s 210 C 2 442 C 1 334 0 022 0 C 0 881 C 0 415 C 1200 C 1 821 C 1 408 C 5 S s 210 C 2 442 C 1 334 C 0 022 0 C 0 881 C 0 415 C 1200 C 1 821 C 1 408 C 2 5 S s 210 C
44. eads per second typical Input high voltage 1 3 V minimum 2 2 V maximum Input low voltage 1 5 V maximum 0 6 V minimum Schmitt trigger hysteresis 0 4 V minimum 1 2 V maximum Note 2 DGND pins pins 93 94 are recommended for use with digital input and digital output pins The DGND and GND pins are common and are isolated from earth ground Table 22 Digital output specifications Number of I O 8 channels Configuration Each DIO bit can be independently read from DIN or written to DOUT The DIN bits may be read at any time whether the DOUT is active or tri stated Output characteristics 47k Q pull up open drain DMOS transistor Pull up configuration All pins pulled up to 5 V via individual 47 resistors the JP1 shorting block default position is pins 1 and 2 Transfer rate software paced Digital output 500 port writes or single bit writes per second typical Output voltage range 0 to 5 V no external pull up resistor internal 47 pull up resistors connected to 5V by default 0 to 15 V maximum Note 5 Drain to source breakdown voltage 50 V minimum Off state leakage current Note 6 0 1 pA Sink current capability 150 mA maximum continuous per output pin 150 mA maximum continuous for all eight channels DMOS transistor on resistance drain to source 49 Note 3 Each DMOS transistor s source pin
45. erential Compatible sensors Table 3 Compatible sensor type specifications Parameter Conditions Thermocouple J 210 C to 1200 C K 270 C to 1372 C R 50 C to 1768 C S 50 C to 1768 C T 270 C to 400 C N 270 C to 1300 C E 270 C to 1000 C B 0 C to 1820 C Accuracy Thermocouple measurement accuracy Thermocouple measurement accuracy specifications include polynomial linearization error cold Junction compensation measurement error and system noise These specs are for one year or 3000 operating hours whichever comes first There is a CJC sensor for each terminal block of the module The accuracy listed below assumes the screw terminals are at the same temperature as the CJC sensor The accuracy errors shown do not include the inherent accuracy error of the thermocouple sensor itself Contact your thermocouple supplier for details on the actual thermocouple sensor accuracy limitations Connect thermocouples to the USB 2416 such that they are floating with respect to GND pins 18 36 39 42 44 46 66 81 84 93 and 94 23 USB 2416 User s Guide Specifications When configuring thermocouple sensors keep any stray capacitance relative to GND pins 18 36 39 42 44 46 66 81 84 as small as possible to avoid settling time and accuracy errors The USB 2416 GND and DGND pins are isolated from earth ground You can connect thermo
46. ethods Factory calibration Measurement Computing s Manufacturing Test department performs the initial factory calibration You can return the USB 2416 once a year for a new factory calibration and calibration certificate Self calibration Use InstaCal to calibrate the USB 2416 whenever the ambient temperature changes by more than 10 C from the last self calibration You can perform this procedure with thermocouple and voltage inputs connected to the input terminal blocks 21 Chapter 5 Specifications All specifications are subject to change without notice Typical for 25 C unless otherwise specified All specifications apply to all temperature and voltage input channels unless otherwise specified Specifications in italic text are guaranteed by design Analog input Table 1 General analog input specifications Parameter Conditions Specification A D converter type ADS1256 24 bit Sigma Delta A D data rates 3750 samples per second S s 2000 S s 1000 S s 500 S s 100 S s 60 S s 50 S s 25 S s 10 S s 5 S s 2 5 S s Throughput Single channel 2 5 Hz to 1102 94 Hz software selectable Multiple channels 0 16 Hz to 1102 94 Hz software selectable see tables 18 and 19 for details Number of channels Up to 32 channels individually software configurable as single ended or differential Thermocouples require differential mode For each channel configured as differential you essen
47. ghput 1 1 640 us data rate Maximum multiple channel throughput 1 640 us n data rate where n is the number of channels See Table 18 and Table 19 in the Specifications chapter for details This drop off in throughput rate is due to the USB 2416 s noise filtering feature You can control the amount of the noise filtering by adjusting the data rate setting By reducing the data rate the averaging of samples increases and noise drops correspondingly 15 USB 2416 User s Guide Functional Details Figure 10 below illustrates this inverse relationship This graph applies to the A D converter only do not expect this level of performance from the USB 2416 itself 2 5 848 24 2 5 22 20 2 18 Z 30 000 Sis 16 1 10 100 1000 10 000 100 000 Data throughput 5 5 Figure 10 USB 2416 A D converter data rate vs noise graph If low noise is your main concern you can operate the USB 2416 at very low data rates starting from 2 5 S s At low rates much of the noise is averaged out of the data and issues such as reference noise become less important At higher data rates higher frequency noise sources are not averaged out and begin to be troublesome These noise sources include the noise inherent in the A D converter itself which is not reducible Since thermocouples can pick up noise in your environment select a data rate based on the primary noise frequency For e
48. iption Pin Signal name Pin description 1 CH16H Channel 16 HI 49 CH31L Channel 31 LO 2 CH16L Channel 16 LO 50 CH31H Channel 31 HI 3 CH17H Channel 17 HI 51 CH30L Channel 30 LO 4 CH17L Channel 17 LO 52 CH30H Channel 30 HI 5 CH18H Channel 18 HI 53 CH29L Channel 29 LO 6 CH18L Channel 18 LO 54 CH29H Channel 29 HI 7 CH19H Channel 19 HI 55 CH28L Channel 28 LO 8 CH19L Channel 19 LO 56 CH28H Channel 28 HI 9 CH20H Channel 20 HI 57 CH27L Channel 27 LO 10 CH20L Channel 20 LO 58 CH27H Channel 27 HI 11 CH21H Channel 21 HI 59 CH26L Channel 26 LO 12 CH21L Channel 21 LO 60 CH26H Channel 26 HI 13 CH22H Channel 22 HI 61 CH25L Channel 25 LO 14 CH22L Channel 22 LO 62 CH25H Channel 25 HI 15 CH23H Channel 23 HI 63 CH24L Channel 24 LO 16 CH23L Channel 23 LO 64 CH24H Channel 24 HI 17 GND Analog ground 65 GND Analog ground 18 GND Analog ground 66 GND Analog ground 19 5VUSER 5V output 67 NC No connect 20 NC No connect 68 NC No connect 21 DIO8 Digital input output 69 DIO23 Digital input output 22 DIO9 Digital input output 70 DIO22 Digital input output 23 DIO10 Digital input output 71 DIO21 Digital input output 24 DIO11 Digital input output 72 DIO20 Digital input output 25 DIO12 Digital input output 73 DIO19 Digital input output 26 DIO13 Digital input output 74 DIO18 Digital input output 27 DIO14 Digital input output 75 DIO17 Digital input output 28 DIO15 Digital input output 76 DIO16 Digital input output 29 DGND Digital ground 77 DGND Digital ground 3
49. is internally connected to GND Note 4 DGND pins pins 93 94 are recommended for use with digital input and digital output pins The DGND and GND pins are common and are isolated from earth ground 37 USB 2416 User s Guide Specifications Note 5 The external pull up is connected to the digital output bit through an external pull up resistor Adding an external pull up resistor connects it in parallel with the internal 47k pull up resistor of that particular digital input output bit Careful consideration should be made when considering the external pull up resistor value and the resultant pull up voltage produced at the load Note 6 Does not include the additional leakage current contribution that may occur when using an external pull up resistor Counter Table 23 CTR specifications Parameter Conditions Specification Pin name CTRO CTRI Number of channels 2 channels Resolution 32 bits Counter type Event counter Input type Schmitt trigger rising edge triggered Input source CTRO pin 43 CTRI pin 45 Counter read writes rates software paced Counter read System dependent 500 reads per second Counter write System dependent 500 reads per second Input characteristics Each CTRx input pin 562 pull up resistor to 5V 10 KQ series resistor Input voltage range 15 V maximum Maximum input voltage range CTRO CTRI relative to GND and DGND
50. ive companies 2013 Measurement Computing Corporation rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form by any means electronic mechanical by photocopying recording or otherwise without the prior written permission of Measurement Computing Corporation Notice Measurement Computing Corporation does not authorize any Measurement Computing Corporation product for use in life support systems and or devices without prior written consent from Measurement Computing Corporation Life support devices systems are devices or systems that a are intended for surgical implantation into the body or b support or sustain life and whose failure to perform can be reasonably expected to result in injury Measurement Computing Corporation products are not designed with the components required and are not subject to the testing required to ensure a level of reliability suitable for the treatment and diagnosis of people HM USB 2416 Table of Contents Preface About this User s Guide 1 1 2 200 0000 UU UU AR uuu What you will learn from this user s guide Conventions in this user s guide 5 Where to find more Information na n E EP ha SR RL 5 Chapter 1 Introducing the USB 2410
51. lectromagnetic environment as defined by Standards EN 61326 1 2006 or IEC 61326 1 2005 Declaration of Conformity based on tests conducted by Chomerics Test Services Woburn MA 01801 USA in July 2008 Test records are outlined in Chomerics Test Report EMI5075 08 Further testing was conducted by Chomerics Test Services Woburn MA 01801 USA in February 2009 Test records are outlined in Chomerics Test report 15271 09 We hereby declare that the equipment specified conforms to the above Directives and Standards IL a m Carl Haapaoja Director of Quality Assurance Measurement Computing Corporation 10 Commerce Way Suite 1008 Norton Massachusetts 02766 508 946 5100 Fax 508 946 9500 E mail info mccdaq com www mccdaq com
52. n example Internal pull up pull down capability Each of the eight DIO bits on the USB 2416 has a 47 pull up pull down resistor To configure these bits for the 0 V pull down option you must open the USB 2416 case to access the three pin jumper labeled 7 1 To open the case and set the JP1 jumper do the following Turn over the USB 2416 and rest it on its top on a flat stable surface Remove the five screws shown in Figure 14 from the bottom of the module Holding both the top and bottom sections of the module turn it over rest it on the surface and carefully remove the top portion of the case Figure 14 Location of screws connecting bottom and top sections of case 18 USB 2416 User s Guide Functional Details 221121171777 Figure 15 Location of JP1 The pull up pull down voltage is common to all of the internal 47 resistors External pull up pull down capability You can also place an external pull up resistor on any of the DIO bits This enables you to pull the DIO bit up to a voltage that exceeds the internal 5 V pull up voltage When using external pull up resistors note the following You should either remove the JP1 jumper or store it by attaching it to one of the three pins When using external pull up resistors the internal resistors cause slight impedance shifts to digital lines in the on state as the number of lines in the off state changes V Internal jumper disabled
53. nnel 13 LO 11 CH2L Channel 2 LO 59 CH13H Channel 13 HI 12 4WC2 No connect 60 IC12 No connect 13 IC2 No connect 61 4WC12 No connect 14 CH3H Channel 3 HI 62 CH12L Channel 12 LO 15 CH3L Channel 3 LO 63 CH12H Channel 12 HI 16 4WC3 No connect 64 IC11 No connect 17 IC3 No connect 65 4WC11 No connect 18 GND Analog ground 66 GND Analog ground 19 CH4H Channel 4 HI 67 CH11L Channel 11 LO 20 CH4L Channel 4 LO 68 CH11H Channel 11 HI 21 4WC4 No connect 69 IC10 No connect 22 IC4 No connect 70 4WC10 No connect 23 CH5H Channel 5 HI 71 CH10L Channel 10 LO 24 CH5L Channel 5 LO 72 CH10H Channel 10 HI 25 4WC5 No connect 73 IC9 No connect 26 IC5 No connect 74 4WC9 No connect 27 CH6H Channel 6 HI 75 CH9L Channel 9 LO 28 CH6L Channel 6 LO 76 CH9H Channel 9 HI 29 4WC6 No connect 77 IC8 No connect 30 IC6 No connect 78 4WC8 No connect 31 CH7H Channel 7 HI 79 CH8L Channel 8 LO 32 CH7L Channel 7 LO 80 CH8H Channel 8 HI 33 4WC7 No connect 81 GND Analog ground 34 IC7 No connect 82 NC No connect 35 45V 5V output 83 NC No connect 36 GND Analog ground 84 GND Analog ground 37 NC No connect 85 DIO7 Digital input output 38 NC No connect 86 DIO6 Digital input output 39 GND Analog ground 87 DIO5 Digital input output 40 NC No connect 88 DIO4 Digital input output 41 NC No connect 89 DIO3 Digital input output 42 GND Analog ground 90 DIO2 Digital input output 43 CTR0 Counter input Ch0 91 DIO1 Digital input output 44 GND Analog ground 92 DIO0 Digital input
54. o protect the thermocouple input circuitry from possible damage Once the thermocouple sensor is connected to the USB 2416 the configuration options have been selected and the recommended 45 minute warm up has elapsed the USB 2416 is ready to make high resolution differential voltage measurements Cold junction compensation CJC is needed to compensate for the additional thermal EMF s generated by connecting the thermocouple leads to the USB 2416 terminal blocks CJC is performed using a high resolution temperature sensor connected close to the USB 2416 s terminal blocks The USB 2416 includes four separate CJC sensors two on each side of the PCB Software corrects for the additional thermocouples created at the terminal Once the A D and CJC data is collected the application software uses this data to linearize to an accurate temperature reading The thermocouple linearization uses the latest NIST linearization coefficients for each of the eight thermocouple types supported by the USB 2416 14 USB 2416 User s Guide Functional Details Figure 9 below shows a typical thermocouple connection ADS1256 0000000 Figure 9 Differential thermocouple connection example Noise filtering data rate and throughput rate Although the USB 2416 A D converter has a maximum data rate of 3 750 S s the actual throughput rate you observe for voltage and temperature data is determined by these formulas Maximum single channel throu
55. onnection NC No connection No connection NC 78 NC No connection Channel 7 79 CH8L Channel 24 23 CH7L 80 CH8H 8 No connection NC No connection NC 5 V output 5V Analog ground GND No connection NC No connection NC Analog ground GND No connection NC No connection NC Analog ground GND Counter input 0 CTRO Analog ground GND Counter input 1 CTR1 Analog ground GND No connection NC No connection NC GND Analog ground NC No connection NC No connection GND Analog ground DIO7 Digital input output DIO6 Digital input output DIO5 Digital input output Digital input output DIO3 Digital input output DIO2 Digital input output DIO1 Digital input output DIOO Digital input output DGND Digital ground DGND Digital YO ground NC No connection NC No connection BSRLBSLSSELFRLSRES g 5 Figure 5 32 channel single ended mode pinout id ENI TANZI zQvO1 OF w us lt 2 o Figure 6 DSUB37 expansion connector pinout The AI EXP32 expansion port is intended to interface directly with the USB 2416 Do not attempt to use any of the expansion port pins for any other purpose Power down the USB 2416 before you connect it the AI EXP32 expansion board 11 Chapter 3 Functional Details This chapter contains detailed information on all of the features available from the board including explanations of the ph
56. output 45 CTR1 Counter input Ch1 93 DGND Digital ground 46 GND Analog ground 94 DGND Digital ground 47 NC No connect 95 NC No connect 48 NC No connect 96 NC No connect 41 USB 2416 User s Guide Specifications Do not connect to terminal block pins labeled NC Table 33 32 channel single ended mode pinout Pin Signal name Pin description Pin Signal name Pin description 1 NC No connect 49 NC No connect 2 CHOH Channel 0 50 CH15L Channel 31 3 CHOL Channel 16 51 CH15H Channel 15 4 NC No connect 52 IC14 No connect 5 ICO No connect 53 4WC14 No connect 6 CH1H Channel 1 54 CH14L Channel 30 7 CH1L Channel 17 55 CH14H Channel 14 8 4WC1 No connect 56 IC13 No connect 9 IC1 No connect 57 4WC13 No connect 10 CH2H Channel 2 58 CH13L Channel 29 11 CH2L Channel 18 59 CH13H Channel 13 12 4WC2 No connect 60 IC12 No connect 13 IC2 No connect 61 4WC12 No connect 14 CH3H Channel 3 62 CH12L Channel 28 15 CH3L Channel 19 63 CH12H Channel 12 16 4WC3 No connect 64 IC11 No connect 17 IC3 No connect 65 4WC11 No connect 18 GND Analog ground 66 GND Analog ground 19 CH4H Channel 4 67 CH11L Channel 27 20 CH4L Channel 20 68 CH11H Channel 11 21 4WC4 No connect 69 IC10 No connect 22 IC4 No connect 70 4WC10 No connect 23 CH5H Channel 5 71 CH10L Channel 26 24 C
57. s listed above are only guaranteed if the USB 2416 is housed in its plastic enclosure 29 USB 2416 User s Guide Specifications Table 10 E type thermocouple accuracy specifications including CJC measurement error All specifications are A D data Sensor temperature Accuracy error Accuracy error typical Tempco rate range maximum C C 3750 S s 200 C 2 413 C 1 352 C 0 017 0 C 1 069 C 0 551 C 1000 C 1 575 C 1 211 C 2000 S s 200 C 2 413 C 1 352 C 0 017 0 C 1 069 C 0 551 C 1000 C 1 575 C 1 211 C 1000 S s 200 C 2 413 C 1 352 C 0 017 0 C 1 069 C 0 551 C 1000 C 1 575 C 1 211 C 500 S s 200 C 2 306 C 1 244 C 0 017 0 C 1 017 C 0 499 C 1000 C 1 539 C 1 175 C 100 S s 200 C 2 306 C 1 244 C 0 017 0 C 1 017 C 0 499 C 1000 C 1 539 C 1 175 C 60 S s 200 C 2 306 C 1 244 C 0 017 0 C 1 017 C 0 499 C 1000 C 1 539 C 1 175 C 50 S s 200 C 2 306 C 1 244 C 0 017 0 C 1 017 C 0 499 C 1000 C 1 539 C 1 175 C 25 S s 200 C 2 306 C 1 244 C 0 017 0 C 1 017 C 0 499 C 1000 C 1 539 C 1 175 C 10 S s 200 C 2 306 C 1 244 0 017 0 C 1 017 C 0 499 C 1000 C 1 539 C 1 175 C 5 S s 200 C 2 306 C 1 244 C 0 017 0 C 1 017 C 0 499 C 1000 C 1 539 C 1 175 C 2
58. si a fn E a E a iae 6 Overview USB 2416 features sec stades detect dee see a Lonati 6 Functional block diagram eene up 6 Chapter 2 Installing the USB 2410 nasir eror cese ccce suqus Ge RA 7 What comes with your USB 2416 shipment eene nennen Hardware Software Documentation Optional components pa onmia SCOPO ouem men S neut Installing th software epe eere eR lana ananas 8 Installing the hatdware gi tech lk RA Bal a ga OBERE RO IDEE anali 8 Connecting to AI EXP32 with the DSUB37 expansion connector 8 Configuring the hardware e le na e e eset 9 Connecting the board for I O operations uu nenna arnar 9 Connectors cables main IO COMME CON u eror IAA E 9 Screw terminal pinout differential Screw terminal pinout single ended i 11 Chapter 3 IX inrcr rmt USB connector External power connector Screw terminal Wiring ice ntn Db DH na DB rtr terrier ruta Analos TE input terminals sin agi o REIP Analog Mpo esineti eR nali Thermocouple inputs Noise filtering data rate and throughput rate Multiple channel throughput rates
59. similar device for 5046 of the current list price I O boards face some harsh environments some harsher than the boards are designed to withstand Contact MCC to determine your product s eligibility for this program 30 Day Money Back Guarantee Any Measurement Computing Corporation product may be returned within 30 days of purchase for a full refund of the price paid for the product being returned If you are not satisfied or chose the wrong product by mistake you do not have to keep it These warranties are in lieu of all other warranties expressed or implied including any implied warranty of merchantability or fitness for a particular application The remedies provided herein are the buyer s sole and exclusive remedies Neither Measurement Computing Corporation nor its employees shall be liable for any direct or indirect special incidental or consequential damage arising from the use of its products even if Measurement Computing Corporation has been notified in advance of the possibility of such damages Trademark and Copyright Information Measurement Computing Corporation InstaCal Universal Library and the Measurement Computing logo are either trademarks or registered trademarks of Measurement Computing Corporation Refer to the Copyrights amp Trademarks section on mecdag com legal for more information about Measurement Computing trademarks Other product and company names mentioned herein are trademarks or trade names of their respect
60. t output 72 DIO20 Digital input output 25 DIO12 Digital input output 73 DIO19 Digital input output 26 DIO13 Digital input output 74 DIO18 Digital input output 27 DIO14 Digital input output 75 DIO17 Digital input output 28 DIO15 Digital input output 76 DIO16 Digital input output 29 DGND Digital ground 61 DGND Digital ground 30 DGND Digital ground 62 DGND Digital ground 31 NC No connect 63 NC No connect 32 NC No connect 64 NC No connect 46 USB 2416 User s Guide Specifications USB 2416 screw terminal pinout with AI EXP32 attached Table 38 USB 2416 single ended mode pinout with AI EXP32 connected Do not connect to terminal block pins labeled NC Pin Signal name Pin description Pin Signal name Pin description 1 NC No connect 49 NC No connect 2 CHOH Channel 0 50 CH15L Channel 47 3 CHOL Channel 32 51 CH15H Channel 15 4 NC No connect 52 IC14 No connect 5 IC0 No connect 53 4WC14 No connect 6 CH1H Channel 1 54 CH14L Channel 46 7 CH1L Channel 33 55 CH14H Channel 14 8 4WC1 No connect 56 IC13 No connect 9 IC1 No connect 57 4WC13 No connect 10 CH2H Channel 2 58 CH13L Channel 45 11 CH2L Channel 34 59 CH13H Channel 13 12 4WC2 No connect 60 IC12 No connect 13 IC2 No connect 61 4WC12 No connect 14 CH3H Channel 3 62 CH12L Channel 44 15 CHSL Channel 35 63
61. tially lose one single ended channel You can add channels by connecting to an AI EXP32 Input isolation 500 VDC minimum between field wiring and USB interface Channel configurations Temperature sensor input software programmable to match sensor type Voltage input Input voltage range Thermocouple mode 0 078125 V Voltage mode Note 1 20 V 10 V 5 V 2 5 V 1 25 V 50 625 V 0 3125 V 0 15625 V 0 078125 V software configurable Absolute maximum input voltage CxH CxL relative to GND 30 V maximum power on 10 V maximum power off Input impedance 2 GQ power on 3900 power off Input leakage current 10 6 nA Input capacitance 590 pf Maximum working voltage signal common mode Voltage mode 20V range 20 01 V maximum Voltage mode all other voltage input ranges 10 25 V maximum Common mode Thermocouple mode 110 dB rejection ratio Note 1 60 Hz Voltage 90 dB 60 Hz all input ranges ADC resolution 24 bits Crosstalk Adjacent channels 100 dB Input coupling DC Channel gain queue Up to 64 elements Software configurable channel and range Warm up time 45 minutes minimum Open thermocouple detect Automatically enabled when the channel is configured for a thermocouple sensor 22 USB 2416 User s Guide Specifications sensor accuracy 15 C to
62. turer Measurement Computing Corporation Address 10 Commerce Way Suite 1008 Norton MA 02766 USA Category Electrical equipment for measurement control and laboratory use Measurement Computing Corporation declares under sole responsibility that the product USB 2416 to which this declaration relates is in conformity with the relevant provisions of the following standards or other documents EC EMC Directive 2004 108 EC General Requirements EN 61326 1 2006 IEC 61326 1 2005 Emissions EN 55011 2007 CISPR 11 2003 Radiated emissions Group 1 Class A EN 55011 2007 CISPR 11 2003 Conducted emissions Group 1 Class Immunity EN 61326 1 2006 Table 3 EC 61000 4 2 2001 Electrostatic Discharge immunity EC 61000 4 3 2002 Radiated Electromagnetic Field immunity EC 61000 4 4 2004 Electric Fast Transient Burst Immunity EC 61000 4 5 2001 Surge Immunity EC 61000 4 6 2003 Radio Frequency Common Mode Immunity EC 61000 4 11 2004 Voltage Interrupts maintain compliance to the standards of this declaration the following conditions must be met The host computer peripheral equipment power sources and expansion hardware must be CE compliant All I O cables must be shielded with the shields connected to ground I O cables must be less than 3 meters 9 75 feet in length The host computer must be properly grounded Equipment must be operated in a controlled e
63. type thermocouple accuracy specifications including CUC measurement error All specifications are A D data rate Sensor Accuracy error Accuracy error Tempco temperature range maximum typical C C 3750 S s 250 C 5 489 C 3 956 C 0 14 700 C 2 283 C 1 743 C 1820 C 2 202 C 1 842 C 2000 S s 250 C 5 489 C 3 956 C 0 14 700 C 2 283 C 1 743 C 1820 C 2 202 C 1 842 C 1000 S s 250 C 5 489 C 3 956 C 0 14 700 C 2 283 C 1 743 C 1820 C 2 202 C 1 842 C 500 S s 250 C 4 387 C 2 885 C 0 14 700 C 1 879 C 1 340 C 1820 C 1 962 C 1 601 C 100 S s 250 C 4 387 C 2 885 C 0 14 700 C 1 879 C 1 340 C 1820 C 1 962 C 1 601 C 60 S s 250 C 4 387 C 2 885 C 0 14 700 C 1 879 C 1 340 C 1820 C 1 962 C 1 601 C 50 S s 250 C 4 387 C 2 885 C 0 14 700 C 1 879 C 1 340 C 1820 C 1 962 C 1 601 C 25 S s 250 C 4 387 C 2 885 C 0 14 700 C 1 879 C 1 340 C 1820 C 1 962 C 1 601 C 10 S s 250 C 4 387 C 2 885 C 0 14 700 C 1 879 C 1 340 C 1820 C 1 962 C 1 601 C 5 S s 250 C 4 387 C 2 885 C 0 14 700 C 1 879 C 1 340 C 1820 C 1 962 C 1 601 C 2 5 S s 250 C 4 387 C 2 885 C 0 14 700 C 1 879 C 1 340 C 1820 C 1 962 C 1 601 C To achieve the thermocouple accuracies listed above the USB 2416 should be warmed up for 45 minutes after the initial power on The accuracie
64. uld cycle the power If an application issues a blink LED command then the power LED blinks a few times Activity LED The USB Activity LED is the bottom LED on the right side of the USB 2416 housing It blinks rapidly when both the USB cable and external power cables are plugged in It continues blinking rapidly while the device is connecting to the computer and then turns solid Whenever the device receives a USB command the Activity LED blinks off and then returns to solid green When an analog in scan is running the Activity LED blinks continuously USB connector The USB connector is on the right side of the USB 2416 provides communication External power connector The USB 2416 require external power through this connector to provide sufficient power for the USB 2416 Connect the PS 5V2AEPS power supply to the external power supply connector This power supply provides 5 VDC 2 A power to the USB 2416 Screw terminal wiring The USB 2416 has six groups of screw terminals three on each side of the housing Each group has 16 connections Pin numbers are identified in Figure 4 and Figure 5 Analog TC input terminals You can connect up to 32 single ended analog input connections or up to 16 differential analog TC input connections to these screw terminal pins CHOH and CHOL CH8H CH8L CHIH and CHIL CH9H and CH9L CH2H CH2L 10 and CHIOL CH3H CH3L CHIIH and CHI1L CH4H CH
65. xample to reduce the effect of 60 Hz noise select a data rate of 60 or a sub multiple of 60 such as 10 or 20 Multiple channel throughput rates When setting different sample rates for different channels be aware that the all channels will be sampled within the same sample window based on the channel with the lowest sample rate For example if you set a 10 Hz data rate for channel 0 and a 50 Hz data rate for channel 1 basically both channels pass the same number of samples per second to the host computer However more averaging is performed on channel 0 s samples therefore channel 0 is sampled at a higher resolution The USB 2416 s A D converter performs averaging and the number of averages equals 30 000 data rate In this example channel 0 is sampled 3000 times over 100 ms and all samples are averaged into one sample Then channel 1 is sampled 600 times over 20 ms and samples are likewise averaged into one sample The final samples are available to you at a maximum rate of about 8 Hz 8 245 Hz Resolution 20 6 bits Resolution 19 6 bits 640 ys delay before next sample taken Figure 11 USB 2416 data rate vs resolution example Input isolation The USB 2416 is an isolated data acquisition device The analog input digital I O counters and all the digital control timing are referenced to an isolated ground as shown in the figure below This ground is physically and electrically separate from the ground use by the
66. ysical device components a functional block diagram and mechanical drawings information on how to use the signals generated by the device diagrams of signals using default or conventional device settings USB 2416 components These USB 2416 components are shown in Figure 7 and Figure 8 One USB connector One external power connector Two LED indicators Power and Activity One37 pin DSUB expansion connector Sixremovable screw terminal blocks Analog TC input screw terminal blocks CH 0 through CH7 differential CH 0 through CH7 CH 16 through CH 23 single ended Analog output and External power connector screw terminal blocks Activity LED Power LED USB connector Figure 7 USB 2416 components front view Digital screw terminal blocks Analog TC input screw terminal blocks 37 pin expansion connector CH8 through CH15 differential CH8 through CH31 single ended Figure 8 USB 2416 components rear view 12 USB 2416 User s Guide Functional Details LEDs When the USB 2416 is connected to a computer in its normal idle state both LEDs are lit solid green Power LED The Power LED is the top LED on the right side of the USB 2416 housing The Power LED blinks when you plug the power supply into the USB 2416 and continues to blink while the device initializes the hardware If it continues blinking for more than 1 2 second then there is a problem with the USB 2416 and you sho

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