Mitsubishi Electric MELSEC iQ-R02CPU - Page 346

344
APPX
Appendix 3 Buffer Memory
■P1/P2 common area
*1 Availability for the buffer memory depends on the firmware version. ( Page 406 Added and Enhanced Functions)
• Do not write any data to "System area". Doing so may cause malfunction of the programmable controller
system.
• If the value in an area of one word in size becomes equal to or higher than 65536, the count stops at 65535
(FFFFH).
Address Application Name
Decimal Hexadecimal
1900000 to
1900007
1CFDE0H to
1CFDE7H
Ethernet PORT1/2
common information
Open completion signal
1900008 to
1900015
1CFDE8H to
1CFDEFH
Open request signal
1900016 to
1900023
1CFDF0H to
1CFDF7H
Socket/fixed buffer reception status signal
1900024 1CFDF8H Initial status
1900025 1CFDF9H Initial error code
1900026 to
1900029
1CFDFAH to
1CFDFDH
System area
1900030
*1
1CFDFEH Receive buffer status
storage area
State of receive buffer
1900031 to
1901001
1CFDFFH to
1D01C9H
System area
1901002 1D01CAH Predefined protocol
support function check
area
Predefined protocol ready
1901003 to
1901019
1D01CBH to
1D01DBH
System area
1901020 1D01DCH Predefined protocol
setting data check area
Predefined protocol setting data error
information
Protocol number
1901021 1D01DDH Setting type
1901022 1D01DEH Packet number
1901023 1D01DFH Element number
1901024 1D01E0H Number of registered predefined protocols
1901025 to
1901031
1D01E1H to
1D01E7H
System area
1901032 to
1901047
1D01E8H to
1D01F7H
Predefined protocol registration
1901048 to
1901999
1D01F8H to
1D05AFH
System area
1902000 to
1904047
1D05B0H to
1D0DAFH
Send/receive area for
predefined protocol
support function
Send/receive area for predefined protocol support function
1904048 to
1921023
1D0DB0H to
1D4FFFH
System area
1921024 to
1929215
1D5000H to
1D6FFFH
User setting area for MODBUS/TCP function
1929216 to
1999999
1D7000H to
1E847FH
System area