Measurement Computing WEB-TEMP - Manual (Page 4)

WEB-TEMP User's Guide
4
Semiconductor sensor measurements ............................................................................................................... 20
Wiring configuration ........................................................................................................................................................20
Digital I/O connections ..................................................................................................................................... 21
Configuring the DIO channels to generate alarms ...........................................................................................................21
Chapter 4
Functional Details ............................................................................................................................... 22
Thermocouple measurements ........................................................................................................................... 22
Cold junction compensation (CJC) ..................................................................................................................................22
Data linearization .............................................................................................................................................................22
Open-thermocouple detection (OTD) ..............................................................................................................................22
RTD and thermistor measurements .................................................................................................................. 22
Data linearization .............................................................................................................................................................23
External components ........................................................................................................................................ 23
Screw terminals................................................................................................................................................................23
Ethernet port ....................................................................................................................................................................23
External power connector ................................................................................................................................................23
POWER/COMM LED .....................................................................................................................................................24
LINK/ACTIVITY LED ...................................................................................................................................................24
Digital logic voltage switch .............................................................................................................................................24
Factory default reset button..............................................................................................................................................24
Chapter 5
Ethernet Troubleshooting .................................................................................................................. 25
Check the WEB-TEMP status LEDs ................................................................................................................ 25
Check the network settings on the computer .................................................................................................... 26
Check whether DHCP is enabled on the network server ..................................................................................................26
Verify that the computer is connected to the network ...................................................................................... 26
Verify the network path to the WEB-TEMP .................................................................................................... 27
Verify the network path to a remote WEB-TEMP ........................................................................................... 28
Check cached information ................................................................................................................................ 28
Deleting a NetBIOS table entry .......................................................................................................................................28
Deleting an ARP table .....................................................................................................................................................28
Getting help ...................................................................................................................................................... 28
Chapter 6
Specifications ...................................................................................................................................... 29
Analog input ..................................................................................................................................................... 29
Channel configurations ..................................................................................................................................... 30
Compatible sensors ........................................................................................................................................... 30
Accuracy ........................................................................................................................................................... 31
Thermocouple measurement accuracy .............................................................................................................................31
Semiconductor sensor measurement accuracy .................................................................................................................31
RTD measurement accuracy ............................................................................................................................................32
Thermistor measurement accuracy ..................................................................................................................................32
Throughput rate ................................................................................................................................................ 33
Digital input/output........................................................................................................................................... 34
Temperature alarms .......................................................................................................................................... 34
Memory ............................................................................................................................................................ 34
Microcontroller ................................................................................................................................................. 35
Power ................................................................................................................................................................ 35
Network ............................................................................................................................................................ 35
Ethernet compliance ........................................................................................................................................................35
Ethernet connection .........................................................................................................................................................35
Network factory default settings ......................................................................................................................................36
Network protocols ............................................................................................................................................................36