Mitsubishi Electric MELSEC iQ-R-R00CPU - Page 874

872
APPX
Appendix 5 List of Special Register Areas
*1 This is the memory used by the system when the CPU module is executing functions.
SD1520 IP address setting IP Address (lower) • Specify the IP address to be stored into the IP address storage
area (system memory
*1
). Range: 00000001H to DFFFFFFEH
(0.0.0.1 to 223.255.255.254)
• Upon completion of writing or clearing the IP address to/from the
IP address storage area (system memory
*1
), the value of IP
address stored in the IP address storage area (system
memory
*1
) is stored.
1 to 4: First to fourth byte
S (Status
change)/U
ALL
SD1521 IP Address (upper) ALL
SD1522 Subnet mask pattern
(lower)
• Specify the Subnet mask pattern to be stored into the IP address
storage area (system memory
*1
). Setting range: C0000000H to
FFFFFFFCH (192.0.0.0 to 255.255.255.252), 00000000H (no
setting)
• Upon completion of writing or clearing the IP address to/from the
IP address storage area (system memory
*1
), the value of subnet
mask pattern stored in the IP address storage area (system
memory
*1
) is stored.
1 to 4: First to fourth byte
S (Status
change)/U
ALL
SD1523 Subnet mask pattern
(upper)
ALL
SD1524 Default Router IP
Address (lower)
• Specify the default router IP address to be stored into the IP
address storage area (system memory
*1
). Setting range:
00000001H to DFFFFFFEH (0.0.0.1 to 223.255.255.254),
00000000H (no setting)
• Upon completion of writing or clearing the IP address to/from the
IP address storage area (system memory
*1
), the value of default
router IP address stored in the IP address storage area (system
memory
*1
) is stored.
1 to 4: First to fourth byte
S (Status
change)/U
ALL
SD1525 Default Router IP
Address (upper)
ALL
SD1526 IP address storage
area writing error
cause
The error cause for
the case when failing
in writing into IP
address storage area
is stored.
The error cause generated when writing into IP address storage
area (system memory
*1
) will be stored. (Linked with SM1521)
0H: No error
100H:SD1520 to SD1525 are out of the specified range.
200H:Write error
400H:Impossible to execute the write processing because clear
processing is in progress.
S (Status
change)
ALL
SD1527 IP address storage
area clearing error
cause
The cause of the error
for the case when
failing in clearing IP
address storage area
is stored.
The cause of the error generated during writing into IP address
storage area (system memory
*1
) is stored. (Linked with SM1523)
0H: No error
200H:Clear error
400H:Impossible to execute the clear processing because write
processing is in progress.
S (Status
change)
ALL
No. Name Data stored Details Set by
(setting
timing)
CPU
SD1520
SD1521
3
1
4
2
b15 to b8 b7 to b0
SD1522
SD1523
3
1
4
2
b15 to b8 b7 to b0
3
1
4
2
SD1524
SD1525
3
1
4
2
b15 to b8 b7 to b0
3
1
4
2