Buffer Memory Details - Mitsubishi Electric MELSEC iQ-R Series User Manual

Address Purpose
Dec (Hex)
30004 to 30011 SD memory card history
(7534H to information area
753BH)
30012 to 30013
(753CH to
753DH)
30014
(753EH)
30100 to 32815 System area
(7594H to
802FH)

Buffer memory details

The following shows the buffer memory details of a recorder module.
Module status area (Un\G0 to 20)
The status of each LED of a recorder module can be checked.
Buffer memory name
RUN LED status
ERR LED status
CARD RDY LED status
OPR LED status
INFO LED status
*1
INFO LED lighting factor
*1 Check the INFO LED lighting factor, and take a corrective action shown in the following table.
Lighting factor
SD memory card free capacity lowering
No save folder free number
Name
System area
Write count
System area
Address Description
Un\G0 0: OFF
1: ON
Un\G1 0: OFF
1: ON
2: Flashing
Un\G2 0: OFF
1: ON
Un\G4 0: OFF
1: ON
Un\G5 0: OFF
1: ON
Un\G12 The factor that the INFO LED turns ON is stored.
• b0: ON: SD memory card free capacity lowering
• b1: ON: No save folder free number
Location to Corrective action
check
b0 Check 'SD memory card information area' (Un\G21 to 27) in the buffer
memory to make sure that there is a sufficient free space.
Delete unnecessary recording files in an SD memory card for a required
capacity.
Page 81 Troubleshooting on INFO LED
b1 It turns ON if there is no free folder number when and after saving a
recording file.
Delete unnecessary recording files from an SD memory card as necessary.
Page 81 Troubleshooting on INFO LED
6 RECORDER MODULE (DETAILED SPECIFICATIONS)
Initial R/W
value
 
0 R
 
 
99
6.4 Buffer Memory
6