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The location of the device in the bus does not make
any difference here.
Please note that only one bus terminator may be
installed/activated for each RS485 bus. If a bus
terminator is already installed, the “Bus terminator”
switch must be set to “OFF”.
7 Operation/Replacing the fuse
Please note that the total power consumed
by all the devices to be connected must not
exceed 5 A.
Once the power supply has been switched on, the
“Power” indicator lights up.
The device does not have to be operated/config-
ured, it will simply discharge overvoltages to earth
automatically.
Absolute protection against all overvoltages
cannot be guaranteed even when this device
is used, although it does make the installa-
tion considerably safer than a straightforward
installation with no surge protector would be.
Summary of Contents for HomeMatic HMW-Sys-OP-DR
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