3 MEMORY CONFIGURATION OF THE CPU MODULE
3.4 Files
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3
File size
The following table lists the size of files that can be stored in the CPU module.
*1 Up to 3 bytes are added to the total file size so that the size will be a multiple of 4 bytes.
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 The size differs depending on the module used. For example, the size is 1036 bytes at minimum
when the Ethernet function is used.
Module extension parameter The size 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 The size 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 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)
Memory dump setting file 1224 bytes (when the save file name is "MEMDUMP_00")
Remote password 224 bytes minimum
Faulty database check file Total number of characters in the file path 2 bytes + number of databases 4 bytes
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: 30608 bytes
When the data logging setting has not been registered: 30200 bytes
Device/label data file for backing up CPU module data ■When local devices are not set
• 20 + 20 + (N1 142) + 16 + (N2 134) + (16 + (162 + (N3 18) + 1087104 + M1)) + 28 + M3 +
M4 + M5 + 8 bytes
*1
■When local devices are set
• 20 + 20 + (N1 142) + 16 + (N2 134) + (16 + (162 + (N3 18) + 1087104 + M1)) + (16 + N1
(8 + ((N4 18) + M2))) + 28 + M3 + M4 + M5 + 8 bytes
*1
N1: Number of programs
N2: Number of file registers
N3: Number of set device types (excluding SM, SD, FX, FY, FD, X, Y, and G/HG)
N4: Number of local device settings (Number of device types)
M1: Total size of set devices (bytes) (excluding SM, SD, FX, FY, FD, X, Y, and G/HG)
M2: Total size of local devices (bytes)
M3: Module label size (bytes)
M4: Label area size (bytes)
M5: Latch label area size (bytes)
System file for the iQ Sensor Solution data backup/
restoration function
36 + 20 N bytes (N: No. of devices supporting iQSS whose data has successfully been backed up)
Backup data file for the iQ Sensor Solution data backup/
restoration function
Depends on the devices supporting iQSS.
ODBC server setting file 236 bytes (when the IP address of the CPU module is 192.168.3.39)
Database path file Total number of characters in the file path 2 bytes + number of databases 4 bytes
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