Measurement Computing WLS-TC - Manual (Page 3)

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 WLS-TC ....................................................................................................................... 6
Overview: WLS-TC features .............................................................................................................................. 6
Remote wireless operation ................................................................................................................................................ 6
WLS-TC block diagram ..................................................................................................................................... 7
Chapter 2
Installing the WLS-TC ........................................................................................................................... 8
What comes with your WLS-TC shipment? ....................................................................................................... 8
Hardware .......................................................................................................................................................................... 8
Software ............................................................................................................................................................................ 8
Documentation .................................................................................................................................................................. 8
Unpacking........................................................................................................................................................... 8
Installing the software ........................................................................................................................................ 8
Installing the hardware ....................................................................................................................................... 8
Configuring the WLS-TC ................................................................................................................................... 9
Thermocouple type ........................................................................................................................................................... 9
Network parameters (remote operation) ..........................................................................................................................10
Connecting the external power supply for remote operation ............................................................................ 11
Calibrating the WLS-TC .................................................................................................................................. 11
Warm up time ................................................................................................................................................... 11
Chapter 3
Sensor Connections ........................................................................................................................... 12
Screw terminal pinout ....................................................................................................................................... 12
Thermocouple inputs .......................................................................................................................................................12
CJC sensors ......................................................................................................................................................................12
Digital I/O ........................................................................................................................................................................13
Power outputs ..................................................................................................................................................................13
Ground .............................................................................................................................................................................13
Thermocouple connections ............................................................................................................................... 13
Wiring configuration ........................................................................................................................................................13
Digital I/O connections ..................................................................................................................................... 14
Configuring the DIO channels to generate alarms ...........................................................................................................14
Chapter 4
Functional Details ............................................................................................................................... 15
Thermocouple measurements ........................................................................................................................... 15
Cold junction compensation (CJC) ..................................................................................................................................15
Data linearization .............................................................................................................................................................15
Open-thermocouple detection (OTD) ..............................................................................................................................15
AC power supply .............................................................................................................................................. 16
External components ........................................................................................................................................ 16
Screw terminals................................................................................................................................................................16
Status LEDs .....................................................................................................................................................................17
LED Test button...............................................................................................................................................................17
USB connector .................................................................................................................................................................17