Mitsubishi Electric MELSEC-L Series - Page 179

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CHAPTER 14 OTHER FUNCTIONS
14
14.3 IP Filter Function 14.3.2 Setting method
(2) Buffer memory areas used
The following buffer memory areas are used for IP filter settings.
Buffer memory name
Address
Decimal
(Hexadecimal)
Description
Communication condition setting
(Ethernet Operation Setting) area
31 (1F
H
)
Ethernet operation setting upon reinitialization process is set.
Communication data code setting (b1)
•0
H
: Binary Code
•1
H
: ASCII Code
TCP existence confirmation setting (b4)
•0
H
: Use the Ping
•1
H
: Use the KeepAlive
Send frame setting (b5)
•0
H
: Ethernet
•1
H
: IEEE 802.3
Setting of write enable/disable at RUN time (b6)
•0
H
: Disable
•1
H
: Enable
Initial timing setting (b8)
•0
H
: Do not wait for OPEN (Communications impossible at STOP time)
•1
H
: Always wait for OPEN (Communications possible at STOP time)
Reinitialization specification (b15)
•0
H
: Reinitialization process complete (reset by the system)
•1
H
: Reinitialization process request (set by the user)
Initial error code
105 (69
H
)
The processing results of initial process and reinitialization process are
stored.
•0
H
: Normal completion
• Other than 0
H
: Abnormal end (error code)
Use of IP filter settings
22272 (5700
H
)
Set when using the IP filter function.
•0
H
: Do not use (default)
•1
H
: Use
IP filter function type setting
22273 (5701
H
)
Select whether to allow or deny the access from the IP addresses
specified in IP address setting 1 to 8.
•0
H
: Allow (default)
•1
H
: Deny
IP address
setting 1
Start IP address
22274 to 22275
(5702
H
to 5703
H
)
Set the IP address to be allowed or denied.
When specifying the IP addresses by range, set the start IP address of the
range.
22274 (5702
H
): Third octet, fourth octet
22275 (5703
H
): First octet, second octet
• 00000000
H
: No setting (default)
• 00000001
H
to DFFFFFFE
H
(0.0.0.1 to 223.255.255.254)
End IP address
22276 to 22277
(5704
H
to 5705
H
)
Set the end IP address of a range to be allowed or denied.
When not specifying by range, set 00000000
H
.
22276 (5704
H
): Third octet, fourth octet
22277 (5705
H
): First octet, second octet
• 00000000
H
: No setting/No range specification (default)
• 00000001
H
to DFFFFFFE
H
(0.0.0.1 to 223.255.255.254)
IP address setting 2 to 8
22278 to 22305
(5706
H
to 5721
H
)
The configuration is the same as IP address setting 1.