Sunny Boy 2000
Technical Description
SB2000-11:EE
- 52 -
SMA Regelsysteme GmbH
What do you need for RS232 communication?
•
a special RS232 piggy back module for the Sunny Boy
•
the last digit of the system control software version is a two (VX.x2).
•
the visualization software Sunny Data is installed on the PC
•
the light blue resistors (Fig. 6.3) on the system control board are removed.
•
Some PCs are equipped with a 25-pin DSUB plug connector. In this case
an RS232 adapter 25-pin (plug) to 9-pin (socket) adapter is necessary (or-
der no. 36-5010).
Installation of the RS232 cable
Work on the inverter may only be carried out if the device has been
disconnected and discharged! (See also chapter 3: ’Installation’)
•
Connect RS232 connection cable LIYCY; 0.25 mm
2
, minimum three-cable with
common shield and a maximum length of 15 m. You can see the connector
layout in Fig. 6.2.1. The shielding should be connected to protective earth
(PE) on both ends at the Sunny Boy and the PC case.