USB-1208LS Analog and Digital I/O Document Revision 3 March 2013 © Copyright 2013 User's Guide
USB-1208LS User's Guide Functional Details 10 USB connector The USB connector is on the right side of the USB-1208LS housing. This connector pro
USB-1208LS User's Guide Functional Details 11 The differential mode pinout is shown in Figure 4. Figure 4. Differential mode pinout Signal conn
USB-1208LS User's Guide Functional Details 12 In differential mode, the following two requirements must be met for linear operation: Any ana
USB-1208LS User's Guide Functional Details 13 Since the analog inputs are restricted to a −10 V to +20 V signal swing with respect to ground, al
USB-1208LS User's Guide Functional Details 14 Refer to the schematic shown in Figure 8. If the switch is set to the +5 V input, Port A0 reads TR
USB-1208LS User's Guide Functional Details 15 Accuracy The overall accuracy of any instrument is limited by the error components within the syst
USB-1208LS User's Guide Functional Details 16 The accuracy plots in Figure 10 are drawn for clarity and are not drawn to scale. Figure 10. ADC
USB-1208LS User's Guide Functional Details 17 Combining these two error sources in Figure 12, we have a plot of the error band of the USB-1208LS
USB-1208LS User's Guide Functional Details 18 Mechanical drawings Figure 13. 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
2 HM USB-1208LS.docx Your new Measurement Computing product comes with a fantastic extra — Management committed to your satisfaction! Thank you for c
USB-1208LS User's Guide Specifications 20 Table 2. Accuracy, differential mode Range Accuracy (LSB) ±20 V 5.1 ±10 V 6.1 ±5 V 8.1 ±4 V 9.1 ±2.
USB-1208LS User's Guide Specifications 21 Digital input/output Table 7. DIO specifications Parameter Specification Digital type 82C55 Number of
USB-1208LS User's Guide Specifications 22 Non-volatile memory Table 10. Memory specifications Parameter Specification Memory size 8192 bytes Mem
USB-1208LS User's Guide Specifications 23 Mechanical Table 14. Mechanical specifications Parameter Specification Dimensions (L × W × H) 79 × 82
USB-1208LS User's Guide Specifications 24 8-channel single-ended mode Pin Signal Name Pin Signal Name 1 CH0 IN 21 Port A0 2 CH1 IN 22 Port A1 3
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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-1208LS User's Guide 4 Signal connector ...
5 Preface About this User's Guide This user's guide describes the Measurement Computing USB-1208LS data acquisition device and lists device
6 Chapter 1 Introducing the USB-1208LS The USB-1208LS is a USB 1.1 low-speed device supported under popular Microsoft® Windows® operating systems. It
USB-1208LS User's Guide Introducing the USB-1208LS 7 Connecting a USB-1208LS to your computer is easy Installing a data acquisition device has n
8 Chapter 2 Installing the USB-1208LS What comes with your shipment? As you unpack your USB-1208LS, verify that the following components are included
9 Chapter 3 Functional Details Analog input acquisition modes The USB-1208LS can acquire analog input data in three different modes – software paced,
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