Omron CP1E CPU UNIT SOFTWARE - Subnet Mask

17-27
17 Ethernet Option Board
CP1E CPU Unit Software User’s Manual(W480)
17-4 Memory Allocations
17
17-4-1 DM Area Allocation
The Subnet mask is (1)(2).(3)(4).(5)(6).(7)(8) (hex)
 Pointer of IP Address Table
Point to the last recorder in IP address table. For example, if the last recorder number in IP address
table is 6, the value of this word is 6.
 IP Address Table Records
Each IP address table record has 6 bytes. The max number of records is 32. The configuration of
the 6 bytes of data in each record is as shown in the following diagram.
 Pointer of IP Router Table
Point to the last recorder in IP router table. For example, if the last recorder number in IP router table
is 6, the value of this word is 6.
 IP Router Table Records
Each IP router table record has 8 bytes. The max number of records is 8. The configuration of the 8
bytes of data in each record is as shown in the following diagram.
Subnet Mask
IP Address Table
IP Router Table
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D1305
D1306
(1)(2) (3)(4)
(5)(6) (7)(8)
Pointer of IP
address table
IP Address table
records
IP address table
records
D1309 to D1311D1308 D1402 to D1404
FINS node
number
1
00
IP address
6 bytes
Pointer of IP
router table
IP router table
records
IP router table
records
D1406 to D1409D1405 D1434 to D1437
IP Network address
(Network ID)
Router IP address
1
8 bytes