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01/17/2019
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Page 105 of 175
4.2 Node address (Host-ID)
Each EtherNet/IP
™ node is addressed by an 8 bit Node address in an EtherNet/IP™
segment. This address has only local significance, i.e. it is unique within an
EtherNet/IP
™ segment. The adjusted Node address corresponds to the Host-ID and
is part of the IP address.
Standard IP address, when switches are active
192.168.1.
<adjusted EtherNet/IP Node address>
Net-ID
Host-ID
Table 1: Construction of the IPv4 address
The Node address is adjusted by means of two HEX rotary switches, which are read-
in only in the POWER-ON momentum. Additional adjustments during operation are
not recognized therefore. See also chapter Obtaining the IP parameter on page 160.
Switch activation
Switch
Config. Control
Action
0x00
0x00
Configuration from FLASH
0x02
Configuration via DHCP
0x01 … 0xFE
not relevant
Switch active
0xFF
not relevant
Configuration via DHCP
Table 2: Switch activation
* see Attribute 3, Configuration Control of Object 0xF5, TCP/IP Interface on
Node addresses 1…254 may used for the measuring system.
Figure 3: EtherNet/IP
™ Node address, switch assignment
If the HEX rotary switches are active, the following definitions are valid:
●
IP address = 192.168.1.<adjusted Node address>
●
Subnet mask = 255.255.255.0
●
Default Gateway = 192.168.1.254
Configuration via FLASH or DHCP server, see “Attribute 5, Interface Configuration”
from page 160.
