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Equipment Description
33003405 07/2007 49
IP Addressing and System ID
Overview A transparent label provided with the controller can be used to note the IP address
and system ID (SRS, System-Rack-Slot) following a modification:
IP_._._._SRS_._._
Default value for IP address: 192.168.0.99
Default value for SRS: 60000.1.0
The ventilation slots in the housing of the Safety PLC must not be covered with the
label.
For more information about changing the IP address and system ID, see the
XPSMFWIN Software manual.
TCP/IP
Description
The IP address is an identifier for a device in a network. IP addresses are 32-bit
numbers. To make it easier to memorize them, they are usually expressed in four
8-bit numbers (e.g., 192.168.10.1)
IP addresses are unique, no other device within the network can share the same
address:
l the IP address assigned to the PC
l the part of the IP address (the subnet mask) that distinguishes other networks
Note: Each Ethernet board has a unique Ethernet address. It is a 48 bit number:
the first 24 bits indicate the manufacturer, while the last 24 bits are a unique
number for each Ethernet board/controller-chip assigned by the manufacturer. The
number is also called MAC ID.
Note: The operator must ensure that the Ethernet used for Peer-to-Peer
communication is adequately protected from unauthorized access (i.e. by
hackers). The nature and extent of the measures to be taken must be determined
in conjunction with the approval authorities.