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3
SPECIFICATIONS
BFM number
Attribute
Application
Decimal
(Hexadecimal)
200
R
(C8
)
H
201
R
(C9
)
H
202
R
(D0
)
H
Communication
status storage
area
203
R
(CB
)
H
204 to 226
—
(E0 to E2
)
H
*1 It varies after initialization.
*2 Values written to BFM #202 will become active the next time the module is powered ON.
(The value returns to 0 when each running mode execution is complete.)
3 - 14
Name
Stores Ethernet module status
(The same specification as BFM#28 "Module status
area")
Hub connection status area
• Communication mode (b9)
0: Half duplex
1: Full duplex
• Hub connection status (b10)
0: Hub not connected/disconnected
1: Hub connected
• Data transmission speed (b14)
0: Operating at 10BASE-T
1: Operating at 100BASE-TX
Bits other than above are reserved for system use.
Operation mode settings
0: Online
1: Offline
Module
2: Self loopback test
status area
3: Hardware test
4 to F: System area
Status of settings
• Communication data code setting (b1)
0: Communication in binary code
1: Communication in ASCII code
• TCP Existence confirmation setting (b4)
0: Use the Ping
1: Use the KeepAlive
• Send frame setting (b5)
0: Ethernet frame
1: IEEE802.3 frame
• Initial timing setting (b8)
0: Do not wait for OPEN
(Communications impossible at STOP time)
1: Always wait for OPEN
(Communication possible at STOP time)
Bits other than above are reserved for system use.
System area
MELSEC-F
(Continued from the previous page)
Initial value
Flash ROM
Reference
Decimal
save
section
(Hexadecimal)
1
0*
(0
)
H
Section
—
5.8
2
0*
(0
)
H
4
Section
(04
)
4.7
H
—
—
—
—
—
3 - 14
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