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10 MEMORY CONFIGURATION OF THE CPU MODULE
10.4 Files
File size
The following table lists the size of files that can be stored in the CPU module.
File type File size
Program Approx. 4050 bytes minimum (only the END instruction + 500 steps reserved for online program change)
FB file Approx. 4900 bytes minimum (non-processing FB + 500 steps reserved for online program change)
CPU parameter 744 bytes minimum
System parameter 112 bytes minimum
Module parameter Differs depending on the module used. For example, the size is 1036 bytes at minimum when the Ethernet function is used.
Module extension parameter Differs depending on the module used. For example, the size is 65572 bytes when the predefined protocol support function is
used with the Ethernet function.
Module-specific backup
parameter
Differs depending on the module used.
Memory card parameter 124 bytes minimum
Device comment 220 bytes minimum (when a device comment with 20 characters is set in a device)
Initial device value Approx. 140 bytes minimum (when the initial value of a word device is set)
Global label setting file Approx. 660 bytes minimum (when a word-type global label is set)
Initial label
value file
Initial global
label value file
Approx. 140 bytes minimum (when the initial value of a word-type global label is set)
Initial local
label value file
File register file 2048 bytes minimum (when the setting capacity is 1K words)
Event history 1024 bytes minimum (when the setting capacity is 1K bytes (default setting is 131072 bytes))
Device data storage file 2048 bytes minimum (when the setting capacity is 1K words)
General-purpose data The size differs depending on the size of the file to be written.
Data
logging
setting file
Common
setting file
142 bytes (When the setting is configured so that one-word data is collected in a binary file at each scan in continuous logging)
Individual
setting file
1192 bytes (When the setting is configured so that one-word data is collected in a binary file at each scan in continuous logging
only for setting No.1)
Remote password 224 bytes minimum
Firmware update file 6816338 bytes minimum
Firmware update prohibited
file
92 bytes minimum
System file for backing up
CPU module data
20 + 12 + ((N1 34) + (N2 34) + (N3 34)) + M + 8 bytes
N1: Number of target drives
N2: Number of target files
N3: Number of target folders
M: Total name size of target files/folders (bytes) (including ".", extensions, but no drive symbols)
Backup data file for backing
up CPU module data
• When the data logging setting has been registered: 30660 bytes
• When the data logging setting has not been registered: 30232 bytes
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