Appendix 3 Buffer Memory; Buffer Memory List - Mitsubishi Electric MELSEC iQ-R C User Manual

Appendix 3
This chapter explains the buffer memory of the C intelligent function module.
Precautions
Do not write data in the "System area" of the buffer memory.
If data is written to any of the system areas, the programmable controller system may malfunction.

Buffer memory list

The following table lists the buffer memories of the C intelligent function module.
R: Read-only, W: Write-only, R/W: Readable/Writable
Address Application
Decimal
(hexadecimal)
0 Module status area
(0H)
1
(1H)
2
(2H)
3
(3H)
4 to 19
(4H to 13H)
20
(14H)
21 to 46 System area
(15H to 2EH)
47 to 54 Network connection status area
(2FH to 36H)
55 to 56
(37H to 38H)
57 to 58
(39H to 3AH)
59 to 60
(3BH to 3CH)
61 to 70 System area
(3DH to 46H)
71 to 72 Common setting status area
(47H to 48H)
73 to 74
(49H to 4AH)
75 to 76
(4BH to 4CH)
77 to 139 System area
(4DH to 8BH)
140 Current error area
(8CH)
141
(8DH)
142 to 147
(8EH to 93H)
148 to 149 System area
(94H to 95H)
Buffer Memory
Name
RUN LED status
ERR LED status
CARD RDY LED status
USER LED status
System area
Module operating status
IP address (string notation)
IP address
Subnet mask
Default gateway
IP address
Subnet Mask
Default gateway
Error code
System area
Time
Initial value R/W
0 R
0 R
0 R
0 R
 
0 R
 
192.168.3.3 R
C0A80303H R
FFFFFF00H R
0 R
 
0 R
0 R
0 R
 
0 R
 
0 R
 
APPX

Appendix 3 Buffer Memory

A
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