National Instruments DAQCard-1200 - Manuals

Contents DAQCard-1200 User Manual viii © National Instruments Corporation Figure 3-1. DAQCard-1200 I/O Connector Pin Assignments ................................. 3-2 Figure 3-2. DAQCard-1200 Instrumentation Amplifier .......................................... 3-5 Figure 3-3. Differential Input Conn...

© National Instruments Corporation ix DAQCard-1200 User Manual About This Manual This manual describes the mechanical and electrical aspects of the DAQCard-1200 and contains information concerning its installation and operation. The DAQCard-1200 is a compact, low-cost, low-power analog input, analog...

About This Manual DAQCard-1200 User Manual x © National Instruments Corporation • The Glossary contains an alphabetical list and description of terms used in this manual, including abbreviations, acronyms, metric prefixes, mnemonics, and symbols. • The Index contains an alphabetical list of key term...

About This Manual © National Instruments Corporation xi DAQCard-1200 User Manual National Instruments Documentation The DAQCard-1200 User Manual is one piece of the documentation set for your data acquisition system. You could have any of several types of manuals, depending on the hardware and softw...

About This Manual DAQCard-1200 User Manual xii © National Instruments Corporation Related Documentation The following documents contain information that you may find helpful as you read this manual: • Your NI-DAQ or LabVIEW software manuals for PC compatibles • Your computer operating manual, which ...

© National Instruments Corporation 1-1 DAQCard-1200 User Manual 1 Introduction This chapter describes the DAQCard-1200; lists what you need to get started, the optional software, and optional equipment; and explains how to unpack the DAQCard-1200. About the DAQCard-1200 Thank you for your purchase o...

Chapter 1 Introduction DAQCard-1200 User Manual 1-2 © National Instruments Corporation with the PC, is a versatile, cost-effective and portable platform for laboratory test, measurement, and control. The DAQCard-1200 is shipped with NI-DAQ, a National Instruments complete DAQ driver that handles eve...

Chapter 1 Introduction © National Instruments Corporation 1-3 DAQCard-1200 User Manual LabVIEW and LabWindows/CVI Application Software LabVIEW and LabWindows/CVI are innovative program development software packages for data acquisition and control applications. LabVIEW uses graphical programming, wh...

Chapter 1 Introduction DAQCard-1200 User Manual 1-4 © National Instruments Corporation Figure 1-1. The Relationship between the Programming Environment, NI-DAQ, and Your Hardware Register-Level Programming The final option for programming any National Instruments DAQ hardware is to write register-le...

Chapter 1 Introduction © National Instruments Corporation 1-5 DAQCard-1200 User Manual Optional Equipment You can use the following National Instruments products with your DAQCard-1200: • BNC-2081 • CB-50 or CB-50LP I/O connector block with a 0.5 or 1.0 m cable • ER-8, ER-16 electromechanical relays...

© National Instruments Corporation 2-1 DAQCard-1200 User Manual 2 Installation and Configuration This chapter describes how to install and software configure the DAQCard-1200. Installation There are two basic steps to installing the DAQCard-1200. 1. You must have Card & Socket Services 2.0 (or a...

Chapter 2 Installation and Configuration DAQCard-1200 User Manual 2-2 © National Instruments Corporation Figure 2-1 shows an example of a typical configuration. Figure 2-1. A Typical Configuration for the DAQCard-1200 Configuration The DAQCard-1200 is completely software configurable; refer to your ...

Chapter 2 Installation and Configuration © National Instruments Corporation 2-3 DAQCard-1200 User Manual If you are using LabWindows/CVI, the software installation instructions are in Part 1, Introduction to LabWindows/CVI, of the Getting Started with LabWindows/CVI manual. After you have installed ...

Chapter 2 Installation and Configuration DAQCard-1200 User Manual 2-4 © National Instruments Corporation Analog Input Mode The DAQCard-1200 has three different input modes—referenced single-ended (RSE), non-referenced single-ended (NRSE), and differential (DIFF). Single-ended configuration provides ...

Chapter 2 Installation and Configuration © National Instruments Corporation 2-5 DAQCard-1200 User Manual NRSE Input (Eight Channels) NRSE input means that all signals are referenced to the same common mode voltage, which is allowed to float with respect to the analog ground of the DAQCard-1200. This...

Chapter 2 Installation and Configuration DAQCard-1200 User Manual 2-6 © National Instruments Corporation Analog Output Polarity The DAQCard-1200 has two channels of analog output voltage at the front panel I/O connector. You can configure each analog output channel for either unipolar or bipolar out...

Chapter 3 Signal Connections © National Instruments Corporation 3-3 DAQCard-1200 User Manual Signal Connection Descriptions The following table describes the connector pins on the DAQCard-1200 front I/O connector by pin number and gives the signal name and the significance of each signal connector p...

Chapter 3 Signal Connections DAQCard-1200 User Manual 3-4 © National Instruments Corporation The connector pins are grouped into analog input signal pins, analog output signal pins, digital I/O signal pins, timing I/O signal pins, and power connections. Signal connection guidelines for each of these...

Chapter 3 Signal Connections © National Instruments Corporation 3-5 DAQCard-1200 User Manual How you connect analog input signals to the DAQCard-1200 depends on how you configure the card analog input circuitry and the type of input signal source. With different DAQCard-1200 configurations, you can ...

Chapter 3 Signal Connections DAQCard-1200 User Manual 3-6 © National Instruments Corporation The instrumentation amplifier applies gain, common-mode voltage rejection, and high-input impedance to the analog input signals connected to the DAQCard-1200. Signals are routed to the positive and negative ...

Chapter 3 Signal Connections © National Instruments Corporation 3-7 DAQCard-1200 User Manual The difference in ground potential between two instruments connected to the same building power system is typically between 1 mV and 100 mV but can be much higher if power distribution circuits are not prope...

Chapter 3 Signal Connections DAQCard-1200 User Manual 3-8 © National Instruments Corporation When you configure the DAQCard-1200 for DIFF input, each signal uses two of the multiplexer inputs—one for the signal and one for its reference signal. Therefore, only four analog input channels are availabl...

Chapter 3 Signal Connections © National Instruments Corporation 3-9 DAQCard-1200 User Manual Figure 3-3. Differential Input Connections for Grounded Signal Sources With this type of connection, the instrumentation amplifier rejects both the common-mode noise in the signal and the ground-potential di...

Chapter 3 Signal Connections © National Instruments Corporation 3-11 DAQCard-1200 User Manual Single-Ended Connection Considerations Single-ended connections are those in which all DAQCard-1200 analog input signals are referenced to one common ground. The input signals are tied to the positive input...

Chapter 3 Signal Connections © National Instruments Corporation 3-13 DAQCard-1200 User Manual Figure 3-6. Single-Ended Input Connections for Grounded Signal Sources Common-Mode Signal Rejection Considerations Figures 3-3 and 3-6 show connections for signal sources that are already referenced to some...

Chapter 3 Signal Connections © National Instruments Corporation 3-15 DAQCard-1200 User Manual Digital I/O Signal Connections Caution The DAQCard-1200 DIO lines are not pulled up or pulled down. If you are using these lines as digital outputs, add 10 k Ω Ω Ω Ω resistors to +5 V or DGND (depending on ...

Chapter 3 Signal Connections © National Instruments Corporation 3-17 DAQCard-1200 User Manual Port C Pin Connections The signals assigned to port C depend on how the 82C55A is configured. In mode 0 or no handshaking configuration, port C is configured as two 4-bit I/O ports. In modes 1 and 2, or han...

Chapter 3 Signal Connections DAQCard-1200 User Manual 3-18 © National Instruments Corporation Timing Specifications Use the handshaking lines STB* and IBF to synchronize input transfers. Use the handshaking lines OBF* and ACK* to synchronize output transfers. The following signals are used in the ti...

Chapter 3 Signal Connections © National Instruments Corporation 3-19 DAQCard-1200 User Manual Mode 1 Input Timing Figure 3-9 shows the timing specifications for an input transfer in mode 1. Figure 3-9. Mode 1 Timing Specifications for Input Transfers Name Description Minimum Maximum T1 STB* pulse wi...

Chapter 3 Signal Connections DAQCard-1200 User Manual 3-20 © National Instruments Corporation Mode 1 Output Timing Figure 3-10 shows the timing specifications for an output transfer in mode 1. Figure 3-10. Mode 1 Timing Specifications for Output Transfers Mode 2 Bidirectional Timing Figure 3-11 show...

Chapter 3 Signal Connections DAQCard-1200 User Manual 3-22 © National Instruments Corporation DAQ and General-Purpose Timing Signal Connections Pins 38 through 48 of the front connector are connections for timing I/O signals. The DAQCard-1200 timing I/O uses two 82C53 counter/timer integrated circui...

Chapter 3 Signal Connections © National Instruments Corporation 3-31 DAQCard-1200 User Manual Power Connections Pin 49 of the I/O connector supplies +5 V from the DAQCard-1200 power supply. This pin is referenced to DGND. You can use the +5 V to power external digital circuitry. • Power rating 250 m...

© National Instruments Corporation 4-1 DAQCard-1200 User Manual 4 Theory of Operation This chapter explains the operation of each functional unit of the DAQCard-1200. Functional Overview The block diagram in Figure 4-1 shows a functional overview of the DAQCard-1200. Figure 4-1. DAQCard-1200 Block D...

Chapter 4 Theory of Operation DAQCard-1200 User Manual 4-2 © National Instruments Corporation The major components of the DAQCard-1200 are as follows: • PC Card I/O channel interface circuitry • Analog input circuitry • Analog output circuitry • Digital I/O circuitry • Timing circuitry • Calibration...

Chapter 4 Theory of Operation © National Instruments Corporation 4-3 DAQCard-1200 User Manual When you first insert the card into your computer, the system examines information stored in the DAQCard-1200 Card Information Structure (CIS). This data is used to configure the card appropriately for the ...

Chapter 4 Theory of Operation DAQCard-1200 User Manual 4-6 © National Instruments Corporation Figure 4-4. Analog Input Circuitry Analog Input Circuitry The analog input circuitry consists of two analog input multiplexers, mux counter/gain select circuitry, a software-programmable gain amplifier, a 1...

Chapter 4 Theory of Operation DAQCard-1200 User Manual 4-8 © National Instruments Corporation with a range of –2,048 to +2,047. In this mode, the MSB of the ADC result is modified to make it two’s complement. The output from the ADC is then sign extended to 16 bits, causing either a leading 0 or a l...

Chapter 4 Theory of Operation © National Instruments Corporation 4-9 DAQCard-1200 User Manual Interval Data Acquisition In an interval data acquisition operation, a new period called the interval cycle is defined. Within each interval cycle, a predefined number of samples is taken at regular sample ...

Chapter 4 Theory of Operation © National Instruments Corporation 4-11 DAQCard-1200 User Manual Analog Output The DAQCard-1200 has two channels of 12-bit D/A output. Each analog output channel can provide unipolar or bipolar output. The DAQCard-1200 also contains timing circuitry for waveform generat...

Chapter 4 Theory of Operation DAQCard-1200 User Manual 4-12 © National Instruments Corporation Power-On State Both analog outputs reach 0 V approximately 110 ms after card insertion. During this 110 ms period, the output voltage can swing from +2 to –5 V. Warning Disconnect the analog outputs from t...

© National Instruments Corporation 5-1 DAQCard-1200 User Manual 5 Calibration This chapter discusses the calibration procedures for the DAQCard-1200 analog I/O circuitry. However, the DAQCard-1200 is factory calibrated, and National Instruments can recalibrate your card if necessary. To maintain the...

Chapter 5 Calibration DAQCard-1200 User Manual 5-2 © National Instruments Corporation Calibration at Higher Gains The DAQCard-1200 has a maximum gain error of 0.8%. This means that if the card is calibrated at a gain of 1, and if the gain is switched to 100, a maximum of 32 LSB error may result in t...

© National Instruments Corporation A-1 DAQCard-1200 User Manual A Specifications This appendix lists the specifications for the DAQCard-1200. These specifications are typical at 25 °C unless otherwise noted. Analog Input Input Characteristics Number of channels ............................... 8 sing...

Appendix A Specifications DAQCard-1200 User Manual A-2 © National Instruments Corporation Maximum working voltage (signal + common mode) ........................Negative input/AISENSE should remain within ±6 V (bipolar) or –6 to 2 V (unipolar) of AGND Overvoltage protection ............................

Appendix A Specifications © National Instruments Corporation A-3 DAQCard-1200 User Manual Input bias current ................................... ±100 pA Input offset current ................................. ±100 pA CMRR .................................................... 70 dB, DC to 60 Hz Dynamic...

Appendix A Specifications DAQCard-1200 User Manual A-4 © National Instruments Corporation Stability Recommended warm up time .................15 minutes Offset temperature coefficient Pre-gain............................................±15 µ V/°C Post-gain ..........................................±...

Appendix A Specifications © National Instruments Corporation A-5 DAQCard-1200 User Manual Voltage Output Ranges .................................................... 0–10 V, ±5 V software selectable Output coupling...................................... DC Output impedance ...............................

Appendix A Specifications © National Instruments Corporation A-7 DAQCard-1200 User Manual Protection ............................................... –0.5 to 5.5 V powered on, ±0.5 V powered off Resolution Counters/timers ............................... 16 bits Compatibility ............................

Appendix A Specifications DAQCard-1200 User Manual A-8 © National Instruments Corporation Environment Operating temperature ............................0 to 50 °C Storage temperature ................................–55 to 150 °C Relative humidity ...................................5% to 90% nonconde...

Appendix B Differences among the Lab-PC+, the DAQPad-1200, and the DAQCard-1200 DAQCard-1200 User Manual B-2 © National Instruments Corporation The following table summarizes the differences among the three products. Functionality Lab-PC+ DAQPad-1200 DAQCard-1200 Bus resource allocation Jumpers Soft...

© National Instruments Corporation C-1 DAQCard-1200 User Manual C Power-Management Modes This appendix describes the power-management modes of the DAQCard-1200. • Normal Mode—This is the normal operating mode of the DAQCard-1200 in which all the circuits are fully functional. This mode draws about 1...

© National Instruments Corporation D-1 DAQCard-1200 User Manual D PC Card Questions and Answers This appendix contains a list of common questions and answers relating to PC Card operation. The questions are grouped according to the type of information requested. You may find this information useful ...

Appendix D PC Card Questions and Answers DAQCard-1200 User Manual D-2 © National Instruments Corporation 2. My computer locks up when I use a PC Card. What should I do? This usually happens because Card Services allocated an unusable interrupt level to the PC Card. For example, on some computers, in...

Appendix D PC Card Questions and Answers © National Instruments Corporation D-3 DAQCard-1200 User Manual are being used for ROM access, then you know that C8000–D3FFF is an invalid range for Card Services and should be changed to CA000–D3FFF. 3. How can I find usable I/O addresses? Finding usable I/...

Appendix D PC Card Questions and Answers DAQCard-1200 User Manual D-4 © National Instruments Corporation Resource Conflicts 1. How do I resolve conflicts between my memory manager and Card Services? Card Services can usually use memory space that is not being used for real RAM on the system. Even wh...

© National Instruments Corporation E-1 DAQCard-1200 User Manual E Technical Support Resources This appendix describes the comprehensive resources available to you in the Technical Support section of the National Instruments Web site and provides technical support telephone numbers for you to use if ...

DAQCard-1200 User Manual E-2 © National Instruments Corporation Software-Related Resources • Instrument Driver Network—A library with hundreds of instrument drivers for control of standalone instruments via GPIB, VXI, or serial interfaces. You also can submit a request for a particular instrument dr...

© National Instruments Corporation G-1 DAQCard-1200 User Manual Glossary Prefix Meanings Value p- pico- 10 – 12 n- nano- 10 – 9 µ- micro- 10 – 6 m- milli- 10 – 3 k- kilo- 10 3 M- mega- 10 6 G- giga- 10 9 t- tera- 10 12 Numbers/Symbols ° degrees Ω ohms % percent A A amperes AC alternating current ACH...

© National Instruments Corporation I-1 DAQCard-1200 User Manual Index Numbers +5 V signal (table), 3-41200_Calibrate function, 5-2 to 5-3 A ACH<0..7> signal description (table), 3-3signal ranges, 3-4 bipolar and unipolar analog input (table), 3-5 ACK* signal (table), 3-18AGND signal analog inp...