SMA Sunny Data Control V.4.2 - Manual (Page 32)

Connecting the PC to a Communication Device SMA Technologie AG
Page 32 SDC-TEN080642 User Manual
Connection to an Ethernet Network
1. Connect the PC to the network as described in the Ethernet network card's user
manual.
2. Connect the Sunny Boy Control / Plus to the Ethernet network as described in the
NET Piggy-Back's user manual.
Direct Connection to a Single PC
1. Plug one end of the crossover cable into your PC's Ethernet network card.
2. Plug the other end of the Ethernet network cable into the NET socket of the Sunny
Boy Control / Plus.
3. Lay the cable properly so that there is no risk of persons tripping over it.
5. 3 Sunny Boy Control Light
5.3. 1 Connection via RS232
RS232 communication characteristics:
• A maximum of one Sunny Boy Control Light can be connected to a PC.
• The PC must be equipped with an RS232 port. If it is not, please read section 5.
1 „Notes on the Use of Level Converters” (page 20).
• The maximum total cable length is 12 m
Cabling Recommendations
The connection between the Sunny Boy Control Light and the PC occurs by means of a
commercially available null modem cable. Use the null modem cable provided.
If the length proves insufficient, use a commercially available null modem cable of the
required length.
RS232