3
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 OM-USB-1208HS Series ............................................................................................ 6
Software features ................................................................................................................................................ 7
Chapter 2
Installing a OM-USB-1208HS Series Device ....................................................................................... 8
What comes with your shipment? ....................................................................................................................... 8
Hardware .......................................................................................................................................................................... 8
Documentation .................................................................................................................................................................. 8
Unpacking........................................................................................................................................................... 8
Installing the software ........................................................................................................................................ 8
Installing the hardware ....................................................................................................................................... 8
Calibrating a OM-USB-1208HS Series Device .................................................................................................. 9
Chapter 3
Functional Details ............................................................................................................................... 10
Analog input acquisition modes ....................................................................................................................... 10
Software paced mode .......................................................................................................................................................10
Hardware paced mode......................................................................................................................................................10
External components ........................................................................................................................................ 10
USB connector .................................................................................................................................................................10
LEDs ................................................................................................................................................................................10
Screw terminals................................................................................................................................................................11
Signal connections ............................................................................................................................................ 12
Analog input ....................................................................................................................................................................12
Analog output ..................................................................................................................................................................12
External clock I/O ............................................................................................................................................................13
Digital I/O ........................................................................................................................................................................13
Counter I/O ......................................................................................................................................................................14
Timer output ....................................................................................................................................................................14
Trigger input ....................................................................................................................................................................15
Power outputs ..................................................................................................................................................................15
Ground .............................................................................................................................................................................15
Chapter 4
Specifications ...................................................................................................................................... 16
Analog input ..................................................................................................................................................... 16
Analog output (OM-USB-1208HS-2AO, OM-USB-1208HS-4AO) ................................................................ 18
Digital input/output........................................................................................................................................... 18
External trigger ................................................................................................................................................. 19
External clock input/output............................................................................................................................... 19
Counters ............................................................................................................................................................ 20
Timer ................................................................................................................................................................ 20
Memory ............................................................................................................................................................ 20
Power ................................................................................................................................................................ 21
USB specifications ........................................................................................................................................... 21
Environmental .................................................................................................................................................. 22