HomeMatic HmIPW-DRAP, Инструкция по установке и эксплуатации

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Operation
the LCD background lighting of all devices connected to
the bus.
Display values
You can select between the single or both bus lines by
pressing the mode button briefly:
• Pressing once = bus 1
• Pressing twice = bus 2
• Pressing three times = bus 1 and bus 2
You can switch between the following values by pressing
the select button:
• For the single bus lines, voltage and current (only
values > 100 mA) are displayed.
• For the single and both lines, input voltage and
total current for both bus lines as well as the tem-
perature in the housing are displayed.
Setting the bus operating mode
Press and hold down the mode button to switch to the
configuration of the bus operating mode (single bus lines
or ring).
Use the select button to switch between the operating
modes of the single bus lines (for bus 1 and bus 2) or ring.
The configuration is saved after pressing the mode button.
Acknowledgement of short circuit failure
If the supply voltage on the bus is short-circuited (E15,