WIKA PU-448 - Manual (Page 15)

GB
WIKA operating instructions programming unit PU-448 15
14003501.02 02/2014 GB/D/F/E
If you are using the WIKAsoft-TT software:
9. The COM port must be chosen when starting the software.
→ Only if the right COM port is chosen, the connection to the instru-
ment and starting of the programme are possible!
from PC
to the
temperature transmitter
LED 1 LED 2
6. Virtual COM ports of the PU-448 / 7. LED ...
7. LED diagnostics
The model PU-448 programming unit is fitted with 2 LEDs for
clear status indication. Through changes in colour, detailed status
diagnostics are possible.