39
CHAPTER 3 SPECIFICATIONS
3
3.5 Buffer Memory
3.5.2 List of buffer memory addresses
130 to 139
(82
H
to 8B
H
)
Communication
status storage area
Connection
information
area
Connection No.2 (The bit configuration is the same as Connection No.1.)
140 to 149
(8C
H
to 95
H
)
Connection No.3 (The bit configuration is the same as Connection No.1.)
150 to 159
(96
H
to 9F
H
)
Connection No.4 (The bit configuration is the same as Connection No.1.)
160 to 169
(A0
H
to A9
H
)
Connection No.5 (The bit configuration is the same as Connection No.1.)
170 to 179
(AA
H
to B3
H
)
Connection No.6 (The bit configuration is the same as Connection No.1.)
180 to 189
(B4
H
to BD
H
)
Connection No.7 (The bit configuration is the same as Connection No.1.)
190 to 199
(BE
H
to C7
H
)
Connection No.8 (The bit configuration is the same as Connection No.1.)
200
(C8
H
)
Area for
module
status
LED on/off status (Stores the on/off status of the LEDs on
the front of the Ethernet module)
INIT.LED (b0)
•0: OFF
• 1: ON (initial process completed)
OPEN LED (b1)
•0: OFF
• 1: ON (connection open processing completed)
ERR.LED (b3)
•0: OFF
• 1: ON (hardware failure)
COM.ERR.LED (b4)
•0: OFF
• 1: ON (communication error)
Bits other than those described above are reserved for
system use.
0
H
201
(C9
H
)
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 (b15, b14)
• 00: Operating at 10BASE-T
• 01: Operating at 100BASE-TX
Bits other than those described above are reserved for
system use.
0
H
202
(CA
H
)
Switch status (operational mode setting)
Communication data code setting
• 0: Online
• 1: Offline
• 2: Self-loopback test
• 3: Hardware test
0
H
Address
Application Name Initial value
Programming
tool setting
applicability
Decimal
(Hexadecimal)