Measurement-computing USB-1608FS User Manual

USB-1608FS Analog Input and Digital I/O Document Revision 7 January 2014 © Copyright 2014 User's Guide

USB-1608FS User's Guide 10 External components The external components – screw terminal banks, LED, and USB connector –are shown in Figure 2.

USB-1608FS User's Guide 11 Use 16 AWG to 30 AWG wire when making connections to the screw terminals. Pinout locations are shown in Figure 3 bel

USB-1608FS User's Guide 12 Channel-Gain queue The channel-gain queue feature allows you to configure a different gain setting for each analog i

USB-1608FS User's Guide 13 The user-configurable jumper is labeled DIO. Figure 5 shows the location of the jumper on the circuit board. Figure

USB-1608FS User's Guide 14 Ground The analog ground (AGND) terminals provide a common ground for all analog channels. The digital ground (GND)

USB-1608FS User's Guide 15 Figure 7 shows an ideal, error-free, USB-1608FS transfer function. The typical calibrated accuracy of the USB-1608F

USB-1608FS User's Guide 16 Figure 9. ADC Transfer function with gain error For example, the USB-1608FS exhibits a typical calibrated gain erro

USB-1608FS User's Guide 17 Synchronized operations You can run up to two USB-1608FS devices on most computers. You can connect the SYNC pin of

USB-1608FS User's Guide 18 Mechanical drawings Figure 11. Circuit board (top) and enclosure dimensions

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

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USB-1608FS User's Guide 20 Table 3. Accuracy components - All values are (±) Range % of Reading Gain error at FS (mV) Offset (mV) ±10 V 0.0

USB-1608FS User's Guide 21 External trigger Table 6. External trigger specifications Parameter Condition Specification Trigger source Extern

USB-1608FS User's Guide 22 Counter Table 8. Counter specifications Parameter Specification Pin name CTR Counter type Event counter Number o

USB-1608FS User's Guide 23 Power Table 11. Power specifications Parameter Condition Specification Supply current USB enumeration < 100 m

USB-1608FS User's Guide 24 Table 16. Connector pinout Pin Signal Name Pin Signal Name 1 CH0 IN 21 DIO0 2 AGND 22 GND 3 CH1 IN 23

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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-1608FS 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-1608FS The USB-1608FS is an analog input and digital I/O data acquisition device providing the following features: 

7 Chapter 2 Installing the USB-1608FS What comes with your USB-1608FS shipment? The following items are shipped with the USB-1608FS. Hardware  USB-

USB-1608FS User's Guide 8 If the LED turns off If communication is lost between the device and the computer, the device LED turns off. Disconne

9 Chapter 3 Functional Details Analog input acquisition modes The USB-1608FS can acquire analog input data in three modes – software paced, hardware