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4
Heat transfer controller data communication
4.1
Data communication / Bus
The controller is equipped with a VBus
®
for data transfer with and energy supply
to external modules. The connection is carried out at the two terminals marked
VBus
®
and GND (either polarity). One or more VBus
®
modules can be connected
via this data bus, such as:
• AM1 Alarm Module
• Datalogger
WARNING!
Electric shock!
L' is a fused contact permanently carrying voltage.
Î
Always disconnect the device from power supply
before opening the housing!
4.2
SD memory card slot
The controller is equipped with an SD card slot.
With an SD card, the following functions can be carried out:
• Store measurement and balance values onto the SD card. After the transfer to
a computer, the values can be opened and visualised, e. g. in a spreadsheet.
• Store adjustments and parameterisations on the SD card and, if necessary,
retrieve them from there.
• Download firmware updates from the Internet and install them on the control-
ler.
An SD card is not included with the controller.
For more information about using an SD card, see page 25.
Summary of Contents for FC4.13
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