Buffer Memory; Buffer Memory List - Mitsubishi Electric MELSEC iQ-R Series User Manual

7.4

Buffer Memory

This section explains the buffer memory of a camera recorder module.
Precautions
• Do not write any data in the "system area" or an area with "R" (read-only) of the buffer memory. Doing so may cause
malfunction of a programmable controller system.

Buffer memory list

The following table shows the buffer memory list of a camera recorder module.
R: Read-only, W: Write-only, R/W: Readable/Writable
Address Application
Dec (Hex)
0 Module status area
(0H)
1
(1H)
2
(2H)
3
(3H)
4
(4H)
5
(5H)
6 to 11
(6H to BH)
12
(CH)
13 to 16
(DH to 10H)
17
(11H)
18 to 20
(12H to 14H)
21 to 22 SD memory card information
(15H to 16H) area
23 to 24
(17H to 18H)
25
(19H)
26 to 27
(1AH to 1BH)
28 to 46 System area
(1CH to 2EH)
Name
RUN LED status
ERR LED status
CARD RDY LED status
System area
OPR LED status
INFO LED status
System area
INFO LED lighting factor
System area
Recording operation setting
System area
SD memory card total capacity
SD memory card free capacity
SD memory card usage rate
SD memory card usage capacity
7 CAMERA RECORDER MODULE (DETAILED SPECIFICATIONS)
Initial R/W
value
0 R
0 R
0 R
 
0 R
0 R
 
0 R
 
0 R
 
0 R
0 R
0 R
0 R
 
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7.4 Buffer Memory
7