Som 9s, 3 data communication / bus, 4 sd card slot – STIEBEL ELTRON SOM 9s User Manual

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SOM 9s

2.3

Data communication / Bus

The controller is equipped with an SD card slot for storing
system data onto an SD card. The values can be opened and
visualized, e. g. in a spreadsheet programme.

note:

Do not use an SD-HC card!

A standard SD card is not included with the SOM 9s.
For more information about using an SD card, see chap. 6.2
(page 93) “SD card“.

2.4

SD card slot

The controller is equipped with the VBus

for data transfer

with and energy supply to external modules. The connec-
tion is carried out at the two terminals marked “VBus” and
GND (any polarity). One or more VBus

modules can be

connected via this data bus, such as:
• GA3 Large display module / Smart Display SD3
• AM1 Alarm module
• DL2 Datalogger
Furthermore, the controller can be connected to a PC
via the VBus

/USB or VBus

/LAN interface adapter (not

included with the SOM 9s). With the ServiceCenter Soft-
ware (RSC), measured values can be read, processed and
visualized. The software allows easier function control and
adjustment of the system.

note:
For more information about accessories, see
p. 101.