Page 3 - Important Information; Warranty; Copyright; WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS
Important Information Warranty The DAQ-Card-1200 is warranted against defects in materials and workmanship for a period of one year from the date of shipment, as evidenced by receipts or other documentation. National Instruments will, at its option, repair or replace equipment that proves to be defe...
Page 4 - Contents; About This Manual
© National Instruments Corporation v DAQCard-1200 User Manual Contents About This Manual Organization of This Manual ......................................................................................... ixConventions Used in This Manual...............................................................
Page 6 - Glossary
Contents © National Instruments Corporation vii DAQCard-1200 User Manual Analog Output................................................................................................................ 4-11 Analog Output Circuitry ...........................................................................
Page 7 - Tables
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...
Page 8 - Organization of This Manual
© 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...
Page 9 - Conventions Used in This Manual
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...
Page 10 - National Instruments Documentation
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...
Page 11 - Related Documentation
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 ...
Page 12 - Introduction
© 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...
Page 13 - What You Need to Get Started
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...
Page 14 - LabVIEW and LabWindows/CVI Application Software
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...
Page 15 - Register-Level Programming
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...
Page 16 - Optional Equipment; Unpacking
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...
Page 17 - Installation and Configuration; Installation
© 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...
Page 18 - Configuration
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 ...
Page 19 - Analog Input Configuration; Analog Input Polarity; Parameter
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 ...
Page 20 - Analog
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 ...
Page 21 - Analog Output Configuration
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...
Page 22 - Analog Output Polarity; Counter Configuration
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...
Page 25 - Signal Connection Descriptions
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...
Page 26 - Analog Input Signal Connections
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...
Page 27 - Gain Setting
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 ...
Page 28 - Types of Signal Sources; Floating Signal Sources
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 ...
Page 29 - Input Configurations; Differential Connection Considerations (DIFF Configuration); Type of Signal
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...
Page 30 - Differential Connections for Grounded Signal Sources
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...
Page 31 - Differential Connections for Floating Signal Sources
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...
Page 33 - Single-Ended Connection Considerations
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...
Page 35 - Common-Mode Signal Rejection Considerations
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...
Page 37 - Digital I/O Signal Connections
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 ...
Page 39 - Port C Pin Connections
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...
Page 40 - Timing Specifications; Name
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...
Page 41 - Mode 1 Input Timing
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...
Page 42 - Mode 1 Output Timing; Mode 2 Bidirectional Timing
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...
Page 44 - DAQ and General-Purpose Timing Signal Connections
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...
Page 53 - Power Connections
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...
Page 54 - Theory of Operation; Functional Overview
© 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...
Page 55 - PC Card I/O Channel Interface Circuitry
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...
Page 56 - Timing
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 ...
Page 59 - Analog Input Circuitry
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...
Page 61 - Data Acquisition Timing
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...
Page 62 - Interval Data Acquisition; Data Acquisition Rates
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 ...
Page 64 - Analog Output Circuitry
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...
Page 65 - DAC Timing
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...
Page 67 - Calibration
© 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...
Page 68 - Calibration at Higher Gains; Using the Calibration Function
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...
Page 70 - Board Gain
© 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...
Page 71 - Transfer Characteristics
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 ............................
Page 72 - Dynamic Characteristics
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...
Page 73 - Stability
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 ..........................................±...
Page 74 - Voltage Output
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 ...............................
Page 76 - Digital Trigger; Power Requirement
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 ............................
Page 77 - Environment
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...
Page 79 - Functionality
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...
Page 80 - Normal Mode
© 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...
Page 82 - PC Card Questions and Answers; Operation
© 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 ...
Page 83 - My computer locks up when I use a PC Card. What should I do?; How do I determine if I have a memory conflict?
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...
Page 84 - How do I find usable interrupt levels?
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/...
Page 85 - Resource Conflicts
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...
Page 86 - Technical Support Resources; NI Web Support; Online Problem-Solving and Diagnostic Resources
© 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 ...
Page 87 - Software-Related Resources; Worldwide Support
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...
Page 88 - Prefix
© 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...
Page 94 - Index; Numbers
© 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...