Mitsubishi Electric MELSEC-Q00U(J)CPU User Manual page 263

(b) Data size
The following table lists the maximum size of data to be backed up.
Backup target data (drive)
Program memory (drive 0)
Standard RAM (drive 3)
Standard ROM (drive 4)
Device data
System data
Total (maximum)
Backup target data (drive)
Program memory (drive 0)
Standard RAM (drive 3)
Standard ROM (drive 4)
Device data
System data
Total (maximum)
Backup target data (drive)
Program memory (drive 0)
Standard RAM (drive 3) (without
an extended SRAM cassette)
With an extended SRAM
cassette (1M)
With an extended SRAM
cassette (2M)
With an extended SRAM
cassette (4M)
With an extended SRAM
cassette (8M)
Standard ROM (drive 4)
Device data
System data
Total (maximum) (without an
extended SRAM cassette)
The backup data size can be checked by the following methods.
• On the window of a programming tool
• In SD698 and SD699
*1 The data size is checked after the backup operation starts.
Q03UD/
Q02UCPU
Q03UDECPU
82 124
130 194
516 1032
128 128
41 64
897 1542
Q13UDH/ Q20UDH/
Q13UDEHCPU Q20UDEHCPU
528 808
1026 1282
2056 4104
128 128
64 64
3802 6386
Q04UDVCPU/
Q03UDVCPU
Q04UDPVCPU
124 164
204 268
1228 1292
2252 2316
4300 4364
8396 8460
1034 1034
130 170
70 70
1562 1706
*1
Q04UDH/ Q06UDH/
Q04UDEHCPU Q06UDEHCPU
164 244
258 770
1032 1032
128 128
64 64
1646 2238
Q26UDH/
Q50UDEHCPU
Q26UDEHCPU
1048 2008
1282 1538
4104 8200
128 128
64 64
6626 11938
Q06UDVCPU/ Q13UDVCPU/
Q06UDPVCPU Q13UDPVCPU
244 528
780 1036
1804 2060
2828 3084
4876 5132
8972 9228
1034 2059
170 250
70 70
2298 3943
CHAPTER 3 FUNCTIONS
(Unit: K byte)
Q10UDH/
Q10UDEHCPU
408
1026
2056
128
64
3682
Q100UDEHCPU
4008
1794
16392
128
64
22386
Q26UDVCPU/
Q26UDPVCPU
1048
1292
2316
3340
5388
9484
4110
250
70
6770
261
3