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Integrated Bus
Operation manual POSIDYN® SDS 5000
ID 442289.06
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11
11.2.2
IP address and subnet mask
An IP address is divided into a network section and a device section by the subnet mask. The subnet mask
can be represented in binary format, for example, as a series of numbers with the left side consisting only of
the number 1 and the right side consisting only of the number 0.
1111 1111.1111 1000.0000 0000.0000 0000 = 255.248.0.0
The section of the subnet mask with the number 1 shows which part of the IP address indicates the address
of the subnet (the network section). The other part with the number 0 shows the part of the IP address that
represents the address of the device in the subnet (device section).
The following example illustrates how to calculate the IP address.
The IP address 128.206.17.177 with subnet mask 255.240.0.0 is entered for the network interface of the
computer:
Subnet mask:1111 1111.1111 0000.0000 0000.0000 0000
The 12 numbers on the left of the IP address indicate the address of the subnet and must be identical in the
IP address of the device. The 20 number of the IP address on the right indicate the address of the computer
in the subnet. This section must be different in the IP address of the device.
A possible IP address for the device could therefore be:
1000 0000.1100 1111.0001 0001.1011 0001 = 128.207.17.177
IP address:
1000 0000.1100 1110.0001 0001.1011 0001
Network section, must be
identical in the device and
PC
Device section, must be
different in the device and PC
Summary of Contents for POSIDYN SDS 5000
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