Mitsubishi Electric MELSEC iQ-R04ENCPU - List of Buffer Memory Addresses; Appendix 3 Buffer Memory

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APPX
Appendix 3 Buffer Memory
Appendix 3 Buffer Memory
The buffer memory is used for the following applications.
Buffer memory values are reset to default when the CPU module is reset or the system is powered off.
List of buffer memory addresses
RJ71EN71, RnENCPU (network part)
The following table lists the buffer memory addresses of the RJ71EN71 and the RnENCPU (network part) when the network
type is set to "Ethernet".
For the addresses of the RJ71EN71 when the network type is set to "Q Compatible Ethernet", refer to the following.
( Page 348 When using the RJ71EN71 (network type: Q-compatible Ethernet))
Module Application
RJ71EN71, RnENCPU (network part) Exchanges data with the CPU module.
CPU module (built-in Ethernet port
part)
Stores data such as the setting values for the Ethernet function and monitor values, and data used for exchanging
data with the multiple CPU function.
P1 address (P2 address
*1
) Application Name
Decimal Hexadecimal
0 to 3
(2000000 to
2000003)
0H to 3H
(1E8480H to
1E8483H)
System area
4 to 5
(2000004 to
2000005)
4H to 5H
(1E8484H to
1E8485H)
Own node setting status
storage area
Own node IP address
6 to 13
(2000006 to
2000013)
6H to DH
(1E8486H to
1E848DH)
System area
14 to 15
(2000014 to
2000015)
EH to FH
(1E848EH to
1E848FH)
Subnet mask
16 to 17
(2000016 to
2000017)
10H to 11H
(1E8490H to
1E8491H)
System area
18 to 19
(2000018 to
2000019)
12H to 13H
(1E8492H to
1E8493H)
Default gateway IP address
20 to 27
(2000020 to
2000027)
14H to 1BH
(1E8494H to
1E849BH)
System area
28 to 30
(2000028 to
2000030)
1CH to 1EH
(1E849CH to
1E849EH)
Own node MAC address
31
(2000031)
1FH (1E849FH) Own node network number
32
(2000032)
20H (1E84A0H) Station number
33
(2000033)
21H (1E84A1H) Transient transmission group number
34
(2000034)
22H (1E84A2H) Send frame setting
35
(2000035)
23H (1E84A3H) Jumbo frame setting
36
(2000036)
24H (1E84A4H) Communication speed setting
37
(2000037)
25H (1E84A5H) Auto-open UDP port number
38
(2000038)
26H (1E84A6H) MELSOFT connection TCP port number