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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
Hazardous voltages ............................................................................................................................................. 5
Hazardous locations .......................................................................................................................................................... 5
Chapter 1
Introducing the WebDAQ 504 .............................................................................................................. 6
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.................................................................................................................................. 6
Integrated operating system and web service ..................................................................................................... 6
Ethernet interface ................................................................................................................................................ 6
Functional block diagram ................................................................................................................................... 7
Unpacking........................................................................................................................................................... 7
Chapter 2
Setting up the WebDAQ 504................................................................................................................. 8
Connecting to a local area network..................................................................................................................... 8
Connecting to a network with DHCP enabled .................................................................................................................. 8
Connecting directly to a PC .............................................................................................................................................. 8
Connecting the external power adapter .............................................................................................................. 8
Detecting the device on the network ................................................................................................................... 9
Accessing the WebDAQ web interface ............................................................................................................................. 9
Configuring the WebDAQ for wireless communication .................................................................................. 10
Configuring the network router for communication across networks .............................................................. 10
Security ............................................................................................................................................................. 10
Restoring factory default settings ..................................................................................................................... 11
Chapter 3
Functional Details ............................................................................................................................... 12
Front panel components .................................................................................................................................... 12
Screw terminal .................................................................................................................................................................12
BNC connectors ...............................................................................................................................................................12
Rear panel components ..................................................................................................................................... 13
External power connector ................................................................................................................................................14
Power button ....................................................................................................................................................................14
Function button ................................................................................................................................................................14
LED status indicators .......................................................................................................................................................14
SD card slot......................................................................................................................................................................15
Factory reset button .........................................................................................................................................................15
Ethernet connector ...........................................................................................................................................................15
Ground connector ............................................................................................................................................................15
USB connectors ...............................................................................................................................................................16
Analog input circuitry ....................................................................................................................................... 16
Overvoltage protection.....................................................................................................................................................16
AC/DC coupling ..............................................................................................................................................................16
Common-mode bias current .............................................................................................................................................16
Data rates .........................................................................................................................................................................17
Anti-aliasing filters ........................................................................................................................................... 17
Passband ..........................................................................................................................................................................17
Stopband ..........................................................................................................................................................................18
Alias-free bandwidth ........................................................................................................................................................18
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