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7.3
Control and automation software
Terminal
Fig. 10: Example in RealTerm: selecting the
baud rate and COM port
Fig. 11: Setting the transmission type
Fig. 12: Setting command lines to end auto-
matically with CR/LF
LabVIEW
34 / 43
A terminal program can be used to communicate with the constant tem-
perature equipment. For example, the freeware RealTerm , which can be
downloaded from the following address: https://realterm.sourceforge.io/
The following settings are required to establish a connection to the constant
temperature equipment:
1.
Start the terminal program on the connected system.
2.
Open the Port tab:
Select the preset baud rate in the Baud field.
Select the relevant COM port in the Port field.
Press Open to confirm your selection.
3.
Activate the option Half Duplex in the Display tab.
4.
Open the Send tab and activate the options +CR and/or +LF in the
EOL area.
5.
Send a test command such as the read command "TYPE" to the
constant temperature equipment.
If the device type designation, for example "ECO", is received in
response, the connection has been set up correctly.
The program development tool LabVIEW
https://www.ni.com/de-de/shop/labview.html can be used to create conven-
ient, personalized control software or automation software for operating
constant temperature equipment. In order to cater for the programming
needs of the interface used here, drivers designed specially for LABVIEW
can be downloaded free of charge from the download area of its LAUDA
website: https://www.lauda.de/de/services/download-center/filter/Software
Interface module LRZ 926
from National Instruments
®
®
V1
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