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3
SPECIFICATIONS
b15
b14
b13
b12
BFM number
Attribute
Application
Decimal
1
*
(Hexadecimal)
0 to 1
R/W
(0 to 1
)
H
2
R/W
(2
)
H
3
—
(3
)
H
4
R/W
(4
)
H
5
R/W
(5
)
H
6
R/W
(6
)
H
7
R/W
(7
)
H
8
R/W
(8
)
H
9
R/W
(9
)
H
Initial
10
processing
R/W
(A
)
parameter
H
11
setting area
R/W
(B
)
H
12
R/W
(C
)
H
13 to 23
—
(D to 17
)
H
24
R/W
(18
)
H
*1 Attribute R : Read, W : Write, — : Use prohibited
*2 Saving to Flash ROM from FX Configurator-EN allowed/prohibited
(Settings are saved in the flash ROM of the Ethernet module.)
: Setting allowed
: Setting prohibited
3 - 9
(2) Assignments of the buffer memory
A buffer memory consists of 16 bits per address.
<Bit configuration diagram>
b11
b10
b9
The following shows the buffer memory addresses.
(a) Initial processing parameter (BFM #0 to 31)
Local station Ethernet module IP address (Initial value 192.168.1.254)
Special function settings
• Router relay function (b5, b4)
00: Do not use (initial)
01: Use
Bits other than above are reserved for system use.
System area
TCP ULP (existence function) timer value
Setting time = setting value
TCP zero window timer value
Setting time = setting value
TCP resend timer value
Setting time = setting value
TCP end timer value
Setting time = setting value
IP assembly timer value
Monitoring timer
Setting time = setting value
Response monitoring timer value
Setting time = setting value
Destination existence confirmation starting interval
Setting time = setting value
Destination existence confirmation interval timer
Setting time = setting value
Destination existence confirmation resend timer
System area
Communication condition setting (Operational Set-
tings) area
• Communication data code setting (b1)
• TCP Existence confirmation setting (b4)
Communication
condition setting
area
• Send frame setting (b5)
(Operational
Settings)
• Initial timing setting (b8)
Bits other than above are reserved for system use.
b8
b7
b6
b5
Name
500 ms
500 ms
500 ms
500 ms
500 ms
500 ms
500 ms
500 ms
0: Communication in binary code
1: Communication in ASCII code
0: Use the Ping
1: Use the KeepAlive
0: Ethernet frame
1: IEEE 802.3 frame
0: Do not wait for OPEN (communication
impossible at STOP time)
1: Always wait for OPEN (communication
possible at STOP time)
MELSEC-F
b4
b3
b2
b1
Initial value
Flash ROM
Decimal
2
save (*
)
(Hexadecimal)
3232236030
(C0A801FE
)
H
0
(0000
)
H
—
—
60
(3C
)
H
20
(14
)
H
20
(14
)
H
40
(28
)
H
10
(A
)
H
60
(30
)
H
1200
(480
)
H
20
(14
)
H
3
(3
)
H
—
—
0
(0
)
H
(Continues on the next page)
b0
Reference
section
Section 4.6
Section 5.3
—
Section 5.2
—
Section 4.6
3 - 9
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