
Configure the Adapter for Your EtherNet/IP Network | |
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IMPORTANT
If using the BootP/DHCP utility, you need to know the Ethernet hardware address of your adapter. Rockwell assigns each
If you change or replace the
IP Address
The IP address identifies each node on the IP network (or system of connected networks). Each TCP/IP node on a network (including the
The IP address is 32 bits long and has a net ID part and Host ID part. Networks are classified A, B, C, (or other). The class of the network determines how an IP address is formatted.
Class A
Class B
Class C
0 | 7 8 |
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| 31 | |
0 | Net ID |
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| Host ID |
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0 |
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| 15 16 |
| 31 | |
1 0 | Net ID |
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| Host ID |
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0 |
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| 23 24 | 31 | ||
1 1 0 |
| Net ID |
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| Host ID |
You can distinguish the class of the IP address from the first integer in its
Range of first integer | Class |
| Range of first integer | Class |
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0 …127 | A |
| 192 … 223 | C |
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128 …191 | B |
| 224 … 255 | other |
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Each node on the same physical network must have an IP address of the same class and must have the same net ID. Each node on the same network must have a different Host ID thus giving it a unique IP address.
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