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Appendix F
CPU Bus Unit Allocations in the CPU Unit
244
Socket Services Parameter Area 1 to 8 (Ethernet Unit to CPU Unit)
Offset
Socket
No. 1
Socket
No. 8
UDP/TCP socket number (1 to 8)
Local UDP/TCP port number (0000 to FFFF Hex)
Remote IP address (00000000 to FFFFFFFF Hex)
Number of send/receive bytes (0000 to 07C0 Hex (1984))
Send/receive data address
(Same as FINS variable area designation method.)
Timeout value (0000 to FFFF Hex)
Response code
Remote UDP/TCP port number (0000 to FFFF Hex)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
...
+0
+1
+2
+4
+5
+6
+8
+9
m+18
m+88
...
m+19
m+89
m+20
m+21
m+90
m+91
m+22
m+92
...
m+23
m+93
m+24
m+94
m+25
m+95
m+26
m+96
m+27
m+97
...
IP Address Display Area
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
m+98
m+99
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
The set values of the Local IP Address Switches (rotary switches 1 to 8) on the
back of the Ethernet Unit are read and stored here when the power is turned ON.
If an incorrect address is set, 0000 (Hex) will be stored here and the ERC indica-
tor will flash. (Refer to 3-4-3 Setting the Local IP Address.)