Download USB-2416 User`s Guide - Measurement Computing
Transcript
Table of Contents Preface About this User's Guide ....................................................................................................................... 5 What you will learn from this user's guide ......................................................................................................... 5 Conventions in this user's guide ......................................................................................................................... 5 Where to find more information ......................................................................................................................... 5 Chapter 1 Introducing the USB-2416 .................................................................................................................... 6 Overview: USB-2416 features ............................................................................................................................ 6 Functional block diagram ................................................................................................................................... 6 Chapter 2 Installing the USB-2416 ........................................................................................................................ 7 What comes with your USB-2416 shipment? ..................................................................................................... 7 Hardware .......................................................................................................................................................................... 7 Software ............................................................................................................................................................................ 7 Documentation .................................................................................................................................................................. 7 Optional components ........................................................................................................................................................ 7 Unpacking........................................................................................................................................................... 7 Installing the software ........................................................................................................................................ 8 Installing the hardware ....................................................................................................................................... 8 Connecting to an AI-EXP32 with the DSUB37 expansion connector ................................................................ 8 Configuring the hardware ................................................................................................................................... 9 Connecting the board for I/O operations ............................................................................................................ 9 Connectors, cables – main I/O connector.......................................................................................................................... 9 Screw terminal pinout – differential ................................................................................................................................10 Screw terminal pinout – single-ended ..............................................................................................................................11 Chapter 3 Functional Details ............................................................................................................................... 12 USB-2416 components ..................................................................................................................................... 12 LEDs ................................................................................................................................................................................13 USB connector .................................................................................................................................................................13 External power connector ................................................................................................................................................13 Screw terminal wiring ...................................................................................................................................... 13 Analog/TC input terminals ............................................................................................................................... 13 Analog input mode...........................................................................................................................................................14 Thermocouple inputs .......................................................................................................................................................14 Noise filtering, data rate, and throughput rate ..................................................................................................................15 Multiple-channel throughput rates ...................................................................................................................................16 Input isolation ................................................................................................................................................... 16 Digital I/O ......................................................................................................................................................... 17 Internal pull-up/pull-down capability...............................................................................................................................18 External pull-up/pull-down capability .............................................................................................................................19 Counter input terminals (CTR0, CTR1) ........................................................................................................... 19 USB-2416 mechanical drawings ...................................................................................................................... 20 Chapter 4 Calibrating the USB-2416 ................................................................................................................... 21 Calibration methods .......................................................................................................................................... 21 3