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CHAPTER 3 SPECIFICATIONS
3
3.4 Buffer Memory List
1308 to 1311
(51C
H
to 51F
H
)
System area
1312
(520
H
)
System area
1313
(521
H
)
Ethernet port operation area
(MELSOFT application
communication port (UDP/IP)
area for the system)
Protocol 1
Read
Page 205,
Appendix 1.3 (5)
1314
(522
H
)
Communication data code 0
1315
(523
H
)
Own Station Port No.
1389
H
1316
(524
H
)
System area
1317
(525
H
)
Connection status 0 Read
Page 205,
Appendix 1.3 (5)
1318 to 1319
(526
H
to 527
H
)
System area
1320
(528
H
)
Latest error code 0
Read
Page 205,
Appendix 1.3 (5)
1321
(529
H
)
Destination port No. 0
1322 to 1323
(52A
H
to 52B
H
)
Destination IP address 0
1324 to 1327
(52C
H
to 52F
H
)
System area
1328
(530
H
)
Ethernet port operation area
(MELSOFT application
communication port (TCP/IP)
area for the system)
Open system 0
Read
Page 206,
Appendix 1.3 (6)
1329
(531
H
)
Protocol 0
1330
(532
H
)
Communication data code 0
1331
(533
H
)
Own Station Port No.
138A
H
1332
(534
H
)
TCP connection system 0
1333
(535
H
)
Connection status 0
1334 to 1335
(536
H
to 537
H
)
System area
1336
(538
H
)
Latest error code 0
Read
Page 206,
Appendix 1.3 (6)
1337
(539
H
)
Destination port No. 0
1338 to 1339
(53A
H
to 53B
H
)
Destination IP address 0
1340 to 1343
(53C
H
to 53F
H
)
System area
Address
(Decimal
(Hexadecimal))
Name
Initial
value
Read/Write Refer to