SMA Sunny Data Control V.5.0 - Manual (Page 20)

Connecting the PC to a Communication Device SMA Technologie AG
22 SDC-TEN081450 Technical Description
Wiring Diagram
PC
1.
2. Use the null modem cable provided, or a commercially
available null modem cable of the required length.
3. Plug the 9-pin D-Sub female connector into a free COM
port on your PC.
4. Lay the cable properly so that there is no risk of persons
tripping over it.
Sunny Boy Control / Plus
5. Plug the 9-pin D-Sub female connector into the port on
the Sunny Boy Control which is equipped with the
RS232 interface.
(A) Sunny Boy Control: PC (COM 2)
(B) Sunny Boy Control Plus: PC (COM 2) or AUX
(COM 3)
Jumper
6. Remove any jumpers A, B or C which may be plugged,
from the interfaces used.
NOTICE!
Possible damage to the COM interfaces of the Sunny Boy Control / Plus and
the PC.
The COM interfaces of both devices could be damaged if the PC is turned on and
then the devices are connected to one another.
• Switch off PC
A B