Table Of Contents - Measurement Computing USB-SSR08 User Manual

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-SSR08 ................................................................................................................. 6
Compatible SSR modules ................................................................................................................................... 6
Functional block diagram ................................................................................................................................... 7
Chapter 2
Installing the USB-SSR08 ..................................................................................................................... 8
Unpacking........................................................................................................................................................... 8
Installing the software ........................................................................................................................................ 8
Installing the hardware ....................................................................................................................................... 8
Configuring the hardware switches ................................................................................................................................... 8
Connecting the external power supply .............................................................................................................................10
Connecting the USB-SSR08 to your system ....................................................................................................................10
Chapter 3
Functional Details ............................................................................................................................... 11
Components ...................................................................................................................................................... 11
USB in connector .............................................................................................................................................................12
USB out connector ...........................................................................................................................................................12
External power connectors ...............................................................................................................................................12
USB LED .........................................................................................................................................................................12
PWR LED ........................................................................................................................................................................12
I/O module type switch (S1) ............................................................................................................................................13
Control logic polarity switch (S2) ....................................................................................................................................13
Relay power-up state switch (S3) ....................................................................................................................................13
Main connector and pin out .............................................................................................................................. 13
Module status LEDs ......................................................................................................................................... 14
Daisy chaining multiple USB-SSR08 devices .................................................................................................. 14
Power limitations using multiple USB-SSR08 devices .................................................................................... 15
Voltage drop ....................................................................................................................................................................15
Mechanical drawings ........................................................................................................................................ 16
Chapter 4
Specifications ...................................................................................................................................... 17
I/O module configuration ................................................................................................................................. 17
Power ................................................................................................................................................................ 17
External power input ........................................................................................................................................ 17
External power output ...................................................................................................................................... 18
USB specifications ........................................................................................................................................... 18
Digital I/O transfer rates ................................................................................................................................... 18
Mechanical ....................................................................................................................................................... 18
Environmental .................................................................................................................................................. 19
Main connector ................................................................................................................................................. 19
Screw terminal pinout ......................................................................................................................................................19
EU Declaration of Conformity ............................................................................................................ 20

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