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

Buffer memory details

The following explains 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
Recording operation setting
*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
*2 Only for a recorder module the version of which is 04 or later.
6 RECORDER MODULE (DETAILED SPECIFICATIONS)
216
6.4 Buffer Memory
Address
Un\G0
Un\G1
Un\G2
Un\G4
Un\G5
Un\G12
*2
Un\G17
Location to
check
b0
b1
Description
0: OFF
1: ON
0: OFF
1: ON
2: Flashing
0: OFF
1: ON
0: OFF
1: ON
0: OFF
1: ON
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
The recording operation setting of a recorder module is stored.
0: Main
Corrective action
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 165 Troubleshooting on INFO LED
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 165 Troubleshooting on INFO LED