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3
SPECIFICATIONS
3.3 Applications and Assignment of Buffer Memory
3.3.1 Buffer memory list
Address
Application
0000
H
(0)
0001
H
(1)
0002
H
(2)
0003
H
(3)
0004
H
(4)
0005
H
(5)
0006
H
(6)
0007
H
(7)
0008
H
(8)
0009
H
(9)
000A
H
(10)
Basic
000B
to
H
parameter
000C
H
(11 to 12)
000D
to
H
000E
H
(13 to 14)
000F
H
(15)
0010
to
H
0011
H
(16 to 17)
0012
to
H
0013
H
(18 to 19)
0014
to
H
002F
H
(20 to 47)
0030
H
(48)
0031
to
H
010F
H
(49 to 271)
3 - 5
A buffer memory list is given below.
TCP/UDP/
IP
monitoring
timer
KeepAlive
TCP/UDP/
IP setting
Routing
information
GX
Developer
Number of TCP connections for GX
connection
Developer connection
information
setting
System area (use prohibited)
1: Indicates whether the address is readable and/or writable from/to a sequence program.
R: Readable
2: Indicates whether setting on GX Configurator-MB is enabled or disabled.
: Setting enabled
Name
TCP ULP timer value
Set time = set value × 500ms
TCP zero window timer value
Set time = set value × 500ms
TCP resend timer value
Set time = set value × 500ms
TCP end timer value
Set time = set value × 500ms
IP reassembly timer value
Set time = set value × 500ms
Split reception monitoring timer
value
Set time = set value × 500ms
KeepAlive
KeepAlive start timer value
Set time = set value × 500ms
KeepAlive interval timer value
Set time = set value × 500ms
KeepAlive resend count
Router relay function
Subnet mask pattern
Default router IP address
Number of routers set
Subnet
address
Router
information 1
Router IP
address
Router
(Same as router information 1)
information 2 to 8
W: Writable
: Setting disabled
MELSEC-Q
Read/
Initial
Write
Setting
Initial Value
(
1)
(
2)
3C
(60)
R/W
H
14
(20)
R/W
H
14
(20)
R/W
H
28
(40)
R/W
H
A
(10)
R/W
H
3C
(60)
R/W
H
1
R/W
H
4B0
H
R/W
(1200)
14
(20)
R/W
H
3
R/W
H
0
R/W
H
FFFFFF00
R/W
H
00000000
R/W
H
0
R/W
H
0
R/W
H
00000000
R/W
H
1
R/W
H
(Continued on next page)
Reference
Section
Section
7.2
Section
7.2
3 - 5
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