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3.4
Buffer Memory List
The buffer memory is used for exchanging data between the Ethernet adapter module and a master/local module or an
external device.
The contents of the buffer memory return to the default state (initial values) when the system is powered off or reset.
Address
(Decimal
(Hexadecimal))
0
(0
)
H
1
Module operation area
(1
)
H
2
(2
)
H
3 to 15
System area
(3
to F
)
H
H
16 to 18
(10
to 12
)
H
H
19
Own station information
(13
)
(PORT1 and PORT2)
H
20 to 21
(14
to 15
)
H
H
22 to 25
System area
(16
to 19
)
H
H
26 to 28
(1A
to 1C
)
H
H
29
Own station information
(1D
)
H
(Ethernet port)
30 to 31
(1E
to 1F
)
H
H
32 to 33
(20
to 21
)
H
H
34 to 35
System area
(22
to 23
)
H
H
Name
Module LED information
Station No. LED information
Ethernet port LED
information
Own station MAC address
System area
Own station IP address
Own station MAC address
System area
Own station IP address
Own station subnet mask
CHAPTER 3 SPECIFICATIONS
Initial
Read/Write
value
Page 206,
Read
Appendix 1.1
(1)
Page 206,
0
Appendix 1.1
(2)
Read
Page 207,
Appendix 1.1
(3)
Page 208,
Read
Appendix 1.2
(1)
Page 208,
0
Read
Appendix 1.2
(1)
Page 208,
Read
Appendix 1.2
(2)
0
Page 208,
Read
Appendix 1.2
(2)
0
3
Refer to
37
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