Measurement-computing USB-1408FS Manual do Utilizador

USB-1408FS Analog and Digital I/O Document Revision 10 July 2014 © Copyright 2014 User's Guide

USB-1408FS User's Guide Functional Details 10 External components The external components – screw terminal banks, LED, and USB connector –are sh

USB-1408FS User's Guide Functional Details 11 Figure 3. Single-ended mode pinout The differential mode pinout is shown in Figure 4. Figure 4.

USB-1408FS User's Guide Functional Details 12 Signal connections Analog input You can connect up to eight analog input connections to the screw

USB-1408FS User's Guide Functional Details 13 If you increase the common mode voltage to 11 V, the differential remains at ±8 V. Although the [c

USB-1408FS User's Guide Functional Details 14 Channel gain queue The channel gain queue feature allows you to set up a scan sequence with a uniq

USB-1408FS User's Guide Functional Details 15 If your board has user-configurable jumpers, complete the following steps to set the pull-up/down

USB-1408FS User's Guide Functional Details 16 Ground The analog ground (AGND) terminals provide a common ground for all analog channels. The gro

USB-1408FS User's Guide Functional Details 17 Figure 11 shows an example of an ideal, error-free, USB-1408FS transfer function. The typical cali

USB-1408FS User's Guide Functional Details 18 Figure 13. ADC Transfer function with gain error Figure 13 shows an example of a USB-1408FS trans

USB-1408FS User's Guide Functional Details 19 Mechanical drawings Figure 15. Circuit board (top) and enclosure dimensions

HM USB-1408FS.docx Your new Measurement Computing product comes with a fantastic extra — Management committed to your satisfaction! Thank you for cho

20 Chapter 4 Specifications All specifications are subject to change without notice. Typical for 25°C unless otherwise specified. Specifications in

USB-1408FS User's Guide Specifications 21 Note 4: Extrapolating the long term drift accuracy specifications will provide the approximate long t

USB-1408FS User's Guide Specifications 22 Table 7. Analog output accuracy Range Accuracy (±LSB) 0 V to 4.096 V 4.0 typ, 45.0 max Table 8. Ana

USB-1408FS User's Guide Specifications 23 External trigger Table 10. External digital trigger specifications Parameter Conditions Specificatio

USB-1408FS User's Guide Specifications 24 Counter section Table 12. Counter specifications Parameter Specification Pin name CTR Counter type Eve

USB-1408FS User's Guide Specifications 25 Power Table 15. Power specifications Parameter Conditions Specification Supply current (Note 7) 80

USB-1408FS User's Guide Specifications 26 Screw terminal connector Table 19. Screw terminal specifications Parameter Specification Connector ty

USB-1408FS User's Guide Specifications 27 Single-ended mode pinout Table 21. 8-channel single-ended mode pinout Pin Signal Name Pin Signal Na

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Measurement Computing Corporation 10 Commerce Way Suite 1008 Norton, Massachusetts 02766 (508) 946-5100 Fax: (508) 946-9500 E-mail: [email protected]

3 Table of Contents Preface About this User's Guide ...

USB-1408FS User's Guide 4 Microcontroller ...

5 Preface About this User's Guide What you will learn from this user's guide This user's guide describes the Measurement Computing USB-

6 Chapter 1 Introducing the USB-1408FS The USB-1408FS is a USB 2.0 full-speed analog input and digital I/O data acquisition device supported under pop

7 Chapter 2 Installing the USB-1408FS What comes with your shipment? The following items are shipped with the USB-1408FS. Hardware  USB-1408FS  US

USB-1408FS User's Guide Installing the USB-1408FS 8 If the LED turns off If communication is lost between the device and the computer, the devic

9 Chapter 3 Functional Details Analog input acquisition modes The USB-1408FS can acquire analog input data in either software-paced or hardware-paced