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5 | 

CONTENT

 

SAFETY REQUIREMENTS ................................................................................................................. 2

 

MEASUREMENT CATEGORIES ....................................................................................................... 3

 

ENVIRONMENT ................................................................................................................................... 4

 

1. GETTING STARTED .................................................................................................................... 7

 

1.1.

  P

RODUCT INTRODUCTION

 ......................................................................................................... 7

 

1.2.

  F

UNCTION DIAGRAM

 ................................................................................................................. 8

 

1.3.

  P

RODUCT SPECIFICATIONS

 ........................................................................................................ 8

 

1.4.

  P

RODUCT UNPACKING

 ............................................................................................................. 11

 

Precautions .................................................................................................................................... 11

 

Check the packing list .................................................................................................................... 12

 

2. INSTALLATION .......................................................................................................................... 13

 

2.1.

  C

ONNECTOR SIGNAL PINS DISTRIBUTION

 ................................................................................ 13

 

2.2.

  USB

 CABLE REINFORCEMENT DESIGN

 .................................................................................... 15

 

2.3.

  D

RIVER INSTALLATION

 ........................................................................................................... 15

 

3. ANALOG INPUT (AI) ................................................................................................................. 18

 

3.1.

  C

IRCUIT DIAGRAM

 .................................................................................................................. 18

 

3.2.

  S

IGNAL CONNECTION METHODS

 .............................................................................................. 18

 

3.3.

  F

LOATING GROUNDED SIGNAL SOURCE

 ................................................................................... 19

 

Using differential mode (DIFF) connection ................................................................................... 19

 

Non-grounded reference single-ended mode (NRSE) connection .................................................. 21

 

3.4.

  G

ROUNDED SIGNAL SOURCE

 ................................................................................................... 22

 

Use a differential mode (DIFF) connection ................................................................................... 22

 

Use a non-grounded reference single-ended mode (NRSE) connection ......................................... 23

 

3.5.

  S

IGNAL ACQUISITION MODE

 .................................................................................................... 24

 

Hardware timing ............................................................................................................................ 24

 

Continuous acquisition mode ......................................................................................................... 24

 

Limited number acquisition mode .................................................................................................. 25

 

3.6.

  C

OMPREHENSIVE SAMPLING RATE AND SINGLE CHANNEL SAMPLING RATE

 ............................. 25

 

3.7.

  AI

 SAMPLING CLOCK

 .............................................................................................................. 25

 

3.8.

  T

RIGGER

 ................................................................................................................................. 26

 

Clear trigger .................................................................................................................................. 27

 

Pre-trigger ...................................................................................................................................... 27

 

4. DIGITAL INPUT (DI) ................................................................................................................. 28

 

4.1.

  S

IGNAL ACQUISITION MODE

 .................................................................................................... 28

 

Hardware timing ............................................................................................................................ 28

 

Continuous acquisition mode ......................................................................................................... 28

 

Limited number acquisition mode .................................................................................................. 29

 

4.2.

  S

AMPLING RATE

 ...................................................................................................................... 29

 

Summary of Contents for USB-3200 Series

Page 1: ...USB 3200 Series Multifunctional Data Acquisition Devices User Manual Rev C Smacq Beijing Smacq Technology Co Ltd smacq com smacq cn...

Page 2: ...ied for this document as well as the information inside it including but not limited to implied warranties of the marketable nature of the product and its suitability for a particular purpose There ma...

Page 3: ...evice damage the internal security protection mechanism will also be affected Warning Do not attempt to replace device components or change devices in other ways that are not mentioned in this documen...

Page 4: ...ordability of the device Measurement categories II CAT II means that measurements are made on a circuit that is directly connected to a low voltage device For example a measurement on household applia...

Page 5: ...ment Pollution degree 3 Conductive pollution occurs or dry non conductive pollution becomes conductive due to condensation For example an outdoor sheltered environment Pollution degree 4 Permanent con...

Page 6: ...SOURCE 19 Using differential mode DIFF connection 19 Non grounded reference single ended mode NRSE connection 21 3 4 GROUNDED SIGNAL SOURCE 22 Use a differential mode DIFF connection 22 Use a non grou...

Page 7: ...e output 32 Hardware timing 32 Finite number output mode 32 Infinite loop output mode 33 Infinite non loop output mode 33 5 2 OUTPUT UPDATE RATE 33 5 3 DO SAMPLING CLOCK 34 5 4 TRIGGER 34 Clear trigge...

Page 8: ...ut periodic repetitive signal output and high speed uninterrupted non repetitive signal output controlled by a computer USB 3200 series data acquisition device supports operating in Windows OS providi...

Page 9: ...ns The following product specification parameters unless otherwise stated are acquired at the temperature of 25 C and the humidity of 40 while the device is turned on for 20 minutes Analog input Numbe...

Page 10: ...uous acquisition mode and limited number acquisition mode Analog input accuracy with temperature coefficient of 5 ppm Range Gain error ppm of reading Offset error ppm of range Random noise Vrms Full r...

Page 11: ...s for computer caches DOUT edge time Ascending edge 6ns Descending edge 8ns External trigger Number of channels 1 input 1 output Input voltage High level 1 95 V 5 V Low level 0 V 1 2 V Output voltage...

Page 12: ...2 28 Weight g Without connectors about 185g Connectors included about 230g I O connectors Bolt terminals Bolt terminal connection 16 AWG 28 AWG USB connectors USB Type B 1 4 Product unpacking Precauti...

Page 13: ...k the host and each attachment individually to ensure that the items in the box are consistent with the packing list If you find that any item is missing please get in touch with us for help as soon a...

Page 14: ...pins distribution Figure 2 1 USB 3200 signal pins distribution Attention When USB 3200 DAQ card is connected with a single ended connector via analog input AI SENSE should only be connected to the ter...

Page 15: ...log input 12 Analog input 12 Cathode AI 13 Analog input 13 Analog input 12 Negative AI 14 Analog input 14 Analog input 14 Cathode AI 15 Analog input 15 Analog input 14 Negative AI 16 Analog input 16 A...

Page 16: ...lled off during operation USB 3200 series data acquisition devices provide a cable reinforcement design with which a strap can be used to fix the USB cable to the device to prevent the accidents Check...

Page 17: ...e win7 folder then the 32 bit operating system enters the x86 folder the 64 bit operating system enters the x64 folder select the susb inf file and then click Open The drivers of Windows8 8 1 and Wind...

Page 18: ...17 Figure 2 3 the Device Manager after the driver is correctly installed...

Page 19: ...ices support analog input acquisition connection methods of non grounding reference single ended input NRSE and differential input DIFF Table 3 1 lists the recommended connection methods for floating...

Page 20: ...rential mode DIFF connection When any of the following conditions are true a differential mode should be used to connect the floating signal Analog input AI and AI are all valid signals Low input sign...

Page 21: ...can make the differential signal close to equilibrium hence couple the same amount of noise at both ends of the signal to enable better common mode noise suppression Figure 3 3 differential input mode...

Page 22: ...to the bias current of the instrument amplifier In this case you can directly connect AI and AI GND If the internal resistance of the AC coupled floating source signal is large the differential input...

Page 23: ...the computer is connected to the same power supply as the signal source the source is already connected to a common ground point relative to the device Instruments and equipment connected to the buil...

Page 24: ...ce DIFF input Use a non grounded reference single ended mode NRSE connection When all of the following conditions are true you can connect the float signal using a non grounded reference single ended...

Page 25: ...of Synchronization system for detailed settings for using externally provided sampling clocks Continuous acquisition mode Continuous acquisition mode refers to continuous and uninterrupted collection...

Page 26: ...ceed 2MPts 3 6 Comprehensive sampling rate and single channel sampling rate When the USB 3200 series data acquisition device is used for single channel acquisition the channel can achieve the maximum...

Page 27: ...gger options The schematic diagram of the AI acquisition trigger options are shown in Figure 3 10 AiSoftTrig software trigger GlobalSoftTrig global software trigger Ext_Trig_IN external trigger input...

Page 28: ...unction relies on the hardware FIFO to store the data of the pre trigger signal so the number of pre triggered points is limited and cannot exceed 4kPts The pre trigger function diagram is shown in Fi...

Page 29: ...s signal can be generated internally or externally For details on using an externally supplied sampling clock refer to the Synchronization System chapter Continuous acquisition mode The continuous acq...

Page 30: ...h This is parallel simultaneous sampling of all channels with each channel able to achieve this highest sampling rate 4 3 DI sampling clock The USB 3200 series data acquisition device has a rich DI ac...

Page 31: ...s the trigger source by default The DI acquisition can use other trigger sources via software settings to achieve the synchronization of each function DiSoftTrig software trigger and GlobalSoftTrig gl...

Page 32: ...n Figure 4 4 Figure 4 4 DI pre trigger function When the pre trigger point is set to 0 the data before the trigger signal is not stored and the user will not be able to obtain the signal state before...

Page 33: ...state without buffer and no waveform The computer sends a command to the acquisition device and it immediately outputs the specified level state Hardware timing The three output modes mentioned below...

Page 34: ...s at the level state at which the DO trigger is cleared Infinite non loop output mode The infinite non loop output mode refers to a waveform in which the DO output exceeds the length of the hardware F...

Page 35: ...on via software settings All timers can be set in steps of 10ns but the set sampling rate cannot exceed the maximum sample rate supported by the device The external sampling clock source input from Co...

Page 36: ...are triggers which means the computer sends a command to the data acquisition device to achieve device triggering Ext_Trig_IN external trigger means that when Ext_Trig_IN receives a rising edge the de...

Page 37: ...this time the sampling clock output of one of the acquisition devices should be connected to the sampling clock input of other acquisition devices and use the appropriate software settings Figure 6 1...

Page 38: ...e trigger signal of the specified function is set as the output source the Ext_Trig_Out pin will output a high level pulse for 1us while the function is triggered The circuit diagram of the external t...

Page 39: ...to the warranties mentioned in this manual and the warranty note we do not provide any other warranties express or implied including but not limited to any implied warranties as to the tradable natur...

Page 40: ...AI 125 kSa s 4 DI 4 DO USB 3213 8 AI 1 MSa s 4 DI 4 DO USB 3212 8 AI 500 kSa s 4 DI 4 DO USB 3211 8 AI 250 kSa s 4 DI 4 DO USB 3210 8 AI 125 kSa s 4 DI 4 DO Standard accessories Model Notes USB A B U...

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