Function | Function as repeater
RF/TP media coupler/repeater | Order no. 5110 00 | 51103300
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Image 6: Application example of a media coupler with repeater function
In combined operation, the repeater function is executed parallel to the media
coupler function (routing). The device acts as if the media coupler and the re-
peater were two separate devices in the same housing and shared the same
RF transmitter.
The integrated repeater does not repeat telegrams which are forwarded to the
RF side by the media coupler function and transmitted there.
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Function as repeater alone (only when using the ETS application program
"Media coupler / repeater 902011" in RF lines):
The device has a physical address in the form x.y.1...255. In this case, the me-
dia coupler function is completely switched off. The device does not perform
any routing and thus does not have any parameters for configuring filter prop-
erties. The parameter "Physical address of the device" must be configured to
"x.y.1...255 (RF repeater)".
The operation of one or more repeaters is recommended when the range of
the RF domain should be deliberately extended in one or more directions (e.g.
in trans-property communication), or when a part of a building (e.g. ceilings,
walls, metal constructions) which weakens the signal need to be overcome.
Repeaters can be positioned around the media coupler in a star configuration
(see figure 7), ideally within the radio ranges of other/adjacent repeaters of the
same RF domain, or also oriented in a strand configuration (see figure 8), e.g.
to cover greater distances in a specific direction.
Using a maximum 2 repeaters in one RF domain (see application examples) is
recommended to prevent communication problems due to forwarded tele-
grams. Communication problems due to forwarded telegrams can occur when
repeaters are not positioned to each other within their own reception area, but
still affect identical devices (e.g. hand-held transmitters) in the same RF do-
main independently of each other. In this case, therefore, the radio ranges of
the repeaters overlap for some RF devices, but not at the installation location
