JYTEK USB-61900 Series User manual

Advance Technologies; Automate the World.
Manual Rev.: 1.00
Revision Date: August 31, 2017
USB-61900 Series
16-bit 250kS/s USB 2.0-based High-performance
DAQ Module
USB-61901/61902/61903
User’s Manual

Preface iii
Preface
Copyright
This document contains proprietary information protected by
copyright. All rights are reserved. No part of this manual may be
reproduced by any mechanical, electronic, or other means in any
form without prior written permission of the manufacturer. All
specifications are subject to change without further notice.
Disclaimer
The information in this document is subject to change without prior
notice in order to improve reliability, design, and function and does
not represent a commitment on the part of the manufacturer.
In no event will the manufacturer be liable for direct, indirect, spe-
cial, incidental, or consequential damages arising out of the use or
inability to use the product or documentation, even if advised of
the possibility of such damages.
Environmental Responsibility
JYTEK is committed to fulfill its social responsibility to global envi-
ronmental preservation through compliance with the European
Union's Restriction of Hazardous Substances (RoHS) directive
and Waste Electrical and Electronic Equipment (WEEE) directive.
Environmental protection is a top priority for JYTEK. We have
enforced measures to ensure that our products, manufacturing
processes, components, and raw materials have as little impact on
the environment as possible. When products are at their end of
life, our customers are encouraged to dispose of them in accor-
dance with the product disposal and/or recovery programs pre-
scribed by their nation or company.
Trademarks
Product names mentioned herein are used for identification pur-
poses only and may be trademarks and/or registered trademarks
of their respective companies.

iv Preface
Using this Manual
Audience and Scope
The USB-61900 Series User’s Manual is intended for hardware
technicians and systems operators with knowledge of installing,
configuring and operating industrial grade single board computers.
Manual Organization
This manual is organized as follows:
Preface: Presents important copyright notifications, disclaimers,
trademarks, and associated information on the proper understand-
ing and usage of this document and its associated product(s).
Introduction: Introduces the USB-61900 Series, its features. specifica-
tions, and river information.
Hardware Information: Provides information on dimensions, connec-
tion, accessories, and pin assignments for the USB-61900 Series.
Installing the USB-61900 Series Module: Describes installation and ini-
tialization of USB-61900 Series hardware and software components.
Operation: USB-61900 Series functions described here include A/D con-
version, D/A conversion, encoder, programmable function I/O, and oth-
ers.
Calibration: This chapter introduces the calibration process to minimize
AD measurement errors and DA output errors.
Important Safety Instructions: Presents safety instructions all users
must follow for the proper setup, installation and usage of equipment
and/or software.
Warranty Policy: This presents the JYTEK Warranty Policy terms
and coverages.
Getting Service: Contact information for JYTEK’s worldwide
offices.

Preface v
Conventions
Take note of the following conventions used throughout this
manual to make sure that users perform certain tasks and
instructions properly.
NOTE:
NOTE:
Additional information, aids, and tips that help users perform
tasks.
CAUTION:
Information to prevent minor physical injury, component dam-
age, data loss, and/or program corruption when trying to com-
plete a task.
WARNING:
Information to prevent serious physical injury, component
damage, data loss, and/or program corruption when trying to
complete a specific task.

Table of Contents vii
Table of Contents
Preface .......................................................................................... iii
Table of Contents.......................................................................... vii
List of Figures................................................................................. xi
List of Tables ................................................................................ xiii
1 Introduction.............................................................................. 1
1.1 Overview........................................................................................ 1
1.2 Features ......................................................................................... 1
1.3 Applications ................................................................................... 2
1.4 Specifications ................................................................................. 3
1.4.1 General Specifications .........................................................3
1.4.2 Analog Input ........................................................................4
1.4.3 Analog Output .....................................................................7
1.5 Unpacking Checklist....................................................................... 8
1.6 Software Support........................................................................... 8
1.7 Driver Support for Windows.......................................................... 8
1.8 Utilities for Windows ..................................................................... 9
2 Hardware Information ............................................................ 11
2.1 Overview and Dimensions ........................................................... 11
2.1.1 Module ..............................................................................11
2.1.2 Module Stand ....................................................................14
2.1.3 Rail Mounting ....................................................................18
2.1.4 Wall Mounting...................................................................20
2.2 Connector Pin Assignment........................................................... 21
2.2.1 Connector Signal Description ............................................24
2.3 Analog Input Signal Connection................................................... 24

viii Table of Contents
3 Installing the USB-61900 Series Module ................................... 31
3.1 Connecting the USB-61900 Series Module.................................. 31
3.2 Device ID...................................................................................... 32
3.3 Hardware Configuration.............................................................. 33
4 Operation ................................................................................ 35
4.1 Signal Function ............................................................................ 35
4.2 A/D Conversion ........................................................................... 36
4.2.1 Analog Input Circuitry ....................................................... 37
4.2.2 AI Data Format .................................................................. 37
4.2.3 Software Conversion with Polling Data Transfer Acquisition
Mode (Software Polling) ................................................... 38
4.2.4 Continuous Acquisition (Scanning) Mode ......................... 38
4.2.5 Analog Input Triggering..................................................... 41
4.3 Trigger Sources............................................................................ 41
4.3.1 Software Triggering........................................................... 41
4.3.2 External Analog Triggering ................................................ 42
4.3.3 External Digital Triggering ................................................. 43
4.4 Trigger Modes ............................................................................. 43
4.4.1 Post-Trigger Acquisition Mode (no retriggering) .............. 44
4.4.2 Delayed-Trigger Acquisition Mode (no
retriggering) ...................................................................... 44
4.4.3 Post-Trigger or Delayed-Trigger Acquisition with Retriggering
45
4.4.4 Gated Trigger .................................................................... 46
4.5 D/A Conversion ........................................................................... 47
4.5.1 Bipolar Output Modes....................................................... 48
4.5.2 Software Update ............................................................... 48
4.5.3 Waveform Generation ...................................................... 48
4.5.4 Waveform Trigger Sources................................................ 51
4.5.5 Waveform Generation Trigger Modes .............................. 52
4.6 Programmable Function I/O........................................................ 56
4.6.1 TTL DI/DO .......................................................................... 56

Table of Contents ix
4.6.2 General Purpose Timer/Counter .......................................57
4.7 Basic Timer/Counter Function ..................................................... 57
4.8 General Purpose Timer/Counter Modes ..................................... 58
4.8.1 Mode 1: Simple Gated-Event Counting .............................58
4.8.2 Mode 2: Single Period Measurement................................59
4.8.3 Mode 3: Single Pulse-Width Measurement.......................59
4.8.4 Mode 4: Single-Gated Pulse Generation ...........................60
4.8.5 Mode 5: Single-Triggered Pulse.........................................60
4.8.6 Mode 6: Re-Triggered Single Pulse Generation.................61
4.8.7 Mode 7: Single-Triggered Continuous Pulse Generation ..62
4.8.8 Mode 8: Continuous Gated Pulse Generation...................62
4.8.9 Mode 9: Edge Separation Measurement ..........................62
4.8.10 Mode 10: PWM Output .....................................................63
5 Calibration .............................................................................. 65
5.1 Loading Calibration Constants ..................................................... 65
5.2 Auto-Calibration (USB-61901/61902 only) .................................. 65
5.3 Saving Calibration Constants ....................................................... 66
Important Safety Instructions ...................................................... 67
Warranty Policy ........................................................................... 69
Getting Service............................................................................. 71

List of Figures xi
List of Figures
Figure 2-1: USB-61902 Module Rear View ..........................................11
Figure 2-2: USB-61902 Module Side View ...........................................12
Figure 2-3: USB-61902 Module Front View .........................................13
Figure 2-4: Module, Stand, Connector, and USB Cable .......................14
Figure 2-5: Module, Stand, & Wall Mount Kit Side View (w/ connections)
14
Figure 2-6: Module in Stand Front View..............................................15
Figure 2-7: Module Stand Top View ....................................................16
Figure 2-8: Module Stand Side Cutaway View.....................................17
Figure 2-9: Module Stand Front View..................................................17
Figure 2-10: Rail Mount Kit....................................................................18
Figure 2-11: Module Pre-Rail Mounting ................................................18
Figure 2-12: Module Rail-Mounted .......................................................19
Figure 2-13: Wall Mount Holes..............................................................20
Figure 2-14: Module with Wall Mount Apparatus.................................20
Figure 2-15: Floating source w/ RSE input connections ........................26
Figure 2-16: GRND-Referenced Sources w/ NRSE Inputs ......................27
Figure 2-17: GRND-Referenced Source w/ P-D Input ............................27
Figure 2-18: Floating Source w/ P-D Input.............................................28
Figure 2-19: Current Input .....................................................................29
Figure 3-1: USB-61900 module in Windows Device Manager.............32
Figure 3-2: Device ID Selection Control ...............................................32
Figure 4-1: Functional Block Diagram (USB-61902).............................36
Figure 4-2: Analog Input ......................................................................37
Figure 4-3: Analog Input Scan Timing ..................................................39
Figure 4-4: Below-Low Analog Triggering............................................42
Figure 4-5: Above-High Analog Triggering...........................................43
Figure 4-6: Digital Triggering ...............................................................43
Figure 4-7: Post Trigger without Retriggering .....................................44
Figure 4-8: Delayed Trigger..................................................................45
Figure 4-9: Post Trigger or Delay Trigger with Retriggering ................46
Figure 4-10: Gated Trigger.....................................................................47
Figure 4-11: Waveform Generation for Two Channel Update ..............49
Figure 4-12: FIFO Data In/Out Structure................................................49
Figure 4-13: Waveform Generation Hardware Timing ..........................51
Figure 4-14: Post-Trigger Waveform Generation ..................................52
Figure 4-15: Delayed-Trigger Waveform Generation ............................53
Figure 4-16: Post-Trigger or Delayed-Trigger with Retriggering............54

xii List of Figures
Figure 4-17: Infinite Iteration Waveform Generation ........................... 55
Figure 4-18: Mode 1-Simple Gated-Event Calculation .......................... 58
Figure 4-19: Mode 2-Single Period Measurement ................................ 59
Figure 4-20: Mode 3-Single Pulse-Width Measurement....................... 60
Figure 4-21: Mode 4-Single-Gated Pulse............................................... 60
Figure 4-22: Mode 5-Single-Triggered Pulse ......................................... 61
Figure 4-23: Mode 6-Re-Triggered Single Pulse .................................... 61
Figure 4-24: Mode 7-Single-Triggered Continuous Pulse...................... 62
Figure 4-25: Mode 8-Continuous Gated Pulse ...................................... 62
Figure 4-26: Mode 9-Edge Separation Measurement........................... 63
Figure 4-27: Mode 10-PWM Output ..................................................... 63

List of Tables xiii
List of Tables
Table 2-1: USB-61901/61902 pin assignment in single-end AI mode......21
Table 2-2: USB-61901/61902 pin assignment in pseudo-differential AI mode
22
Table 2-3: USB-61903 pin assignment .....................................................23
Table 2-4: CN1/CN2 I/O Signal Description..............................................24
Table 4-1: Bipolar Analog Input Range and Output Digital Code.............37
Table 4-2: Bipolar Output Code ...............................................................48
Table 4-3: Waveform Generation Timer Definition .................................50
Table 4-4: Pin Definition of TTL Digital I/O...............................................56
Table 4-5: Timer/Counter Pin Definition..................................................57