Measurement Computing WEB-TEMP - Manual (Page 3)

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Table of Contents
Preface
About this User’s Guide ....................................................................................................................... 6
What you will learn from this user's guide ......................................................................................................... 6
Conventions in this user's guide ......................................................................................................................... 6
Where to find more information ......................................................................................................................... 6
Chapter 1
Introducing the WEB-TEMP ................................................................................................................. 7
Web interface ...................................................................................................................................................... 7
TCP/IP connection ............................................................................................................................................................ 7
Browser requirement ......................................................................................................................................................... 7
WEB-TEMP features .......................................................................................................................................... 7
Temperature channels ....................................................................................................................................................... 7
Alarms .............................................................................................................................................................................. 8
Digital I/O channels .......................................................................................................................................................... 8
WEB-TEMP block diagram ............................................................................................................................... 8
Chapter 2
Installing the WEB-TEMP ..................................................................................................................... 9
What comes with your shipment? ....................................................................................................................... 9
Hardware .......................................................................................................................................................................... 9
Documentation .................................................................................................................................................................. 9
Unpacking........................................................................................................................................................... 9
Installing the software ........................................................................................................................................ 9
Connecting the AC power adapter ...................................................................................................................... 9
Connecting the WEB-TEMP ............................................................................................................................ 10
Connecting to a LAN for communication within a network ............................................................................................10
Connecting to a LAN for communication across networks .............................................................................................10
Connecting the WEB-TEMP directly to a computer ........................................................................................................11
Using the web interface .................................................................................................................................... 12
Logging in to a device......................................................................................................................................................13
Configuring the WEB-TEMP using InstaCal ................................................................................................... 13
Setting network parameters ..............................................................................................................................................13
Calibrating the Hardware .................................................................................................................................. 14
Warm-up period ................................................................................................................................................ 14
Chapter 3
Signal Connections ............................................................................................................................. 15
Screw terminal pinout ....................................................................................................................................... 15
Sensor inputs ....................................................................................................................................................................15
Current excitation outputs ................................................................................................................................................16
Four-wire, two sensor common .......................................................................................................................................16
Four-wire, two sensor common .......................................................................................................................................16
CJC sensors ......................................................................................................................................................................16
Digital I/O ........................................................................................................................................................................16
Pull-up/down configuration .............................................................................................................................................16
Analog and digital ground ...............................................................................................................................................16
Power output ....................................................................................................................................................................16
Thermocouple connections ............................................................................................................................... 17
Wiring configuration ........................................................................................................................................................17
RTD and thermistor connections ...................................................................................................................... 17
Two-wire configuration ...................................................................................................................................................18
Three-wire configuration .................................................................................................................................................19
Four-wire configuration ...................................................................................................................................................19