Commissioning Several 7Kn Powercenter 1000 - Siemens Sentron 7KN POWERCENTER 1000 Manual
Circuit protection devices with communication and measuring function
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5.6
Commissioning several 7KN POWERCENTER 1000
Note
Only qualified personnel are permitted to install, commission or service the devices.
Up to four 7KN Powercenter 1000 devices can be operated in parallel in one radio cell.
Several data transceivers can also be used by increasing the distance of the devices among
each other (or reduced signal strength) so that the devices do not disturb one another. It
makes sense to distribute all communication-capable circuit protection devices as equally as
possible to the various data transceivers.
The signal strength must be set in the 7KN Powercenter 1000 and in the associated terminal
devices. This can be set between -18 ... +2 dBm.
In the used frequency band between 2400 MHz and 2483.5 MHz there are 16 individual
channels (11-26) with separate bandwidths. Each 7KN Powercenter 1000 independently
selects the channel with the lowest capacity utilization. The following four channels can be
automatically selected: 11, 15, 20 or 26.
If four 7KN Powercenter 1000 devices are operated in different radio channels, a larger
distance does not need to be maintained between the devices. They can be set up in one or
neighboring distribution boards. However, if more than four data transceivers are operated, it
can result in a double assignment of radio channels. In this case the distance between the
two systems including the terminal devices must be big enough so that they do not cause
interference. See Installation conditions (Page 24). The radio signals of the systems, which
are operated in different radio channels, can spatially overlap.
Circuit protection devices with communication and metering function
System Manual, 06/2021, L1V30827018B-01
5.6 Commissioning several 7KN POWERCENTER 1000
Commissioning
49
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