Mitsubishi Electric MELSEC iQ-R-R00CPU - Page 591

35 BASIC CONCEPT
35.11 Memory Specifications
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File size
The following table lists the size of files that can be stored in the SIL2 Process CPU.
File type File size
Standard program Approx. 4248 bytes minimum (only END instruction + 500 steps reserved for
online program change)
Standard FB file Approx. 4984 bytes minimum (non-processing FB + 500 steps reserved for
online program change)
Standard CPU parameter 824 bytes minimum
System parameter 112 bytes minimum
Standard 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 ( Manual for 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)
Device initial value Approx. 192 bytes minimum (when the initial value of a word device is set)
Standard global label setting file Approx. 716 bytes minimum (when a word-type global label is set)
Label initial value file Global label initial value file Approx. 140 bytes minimum (when the initial value of a word-type global label
is set)
Local label initial 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 words (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.
Remote password 224 bytes minimum
Safety program Approx. 4288 bytes minimum (only END instruction + 500 steps reserved for
online change)
Safety FB file Approx. 5028 bytes minimum (non-processing FB + 500 steps reserved for
online change)
Safety CPU parameter 292 bytes minimum
Safety module parameter The size differs depending on the module used. (Example: When the safety
communication setting is used with a remote I/O station: 860 bytes)
Safety global label setting file Approx. 752 bytes minimum (when a word-type safety global label is set)
Standard/safety shared label setting file Approx. 748 bytes minimum (when a word-type standard/safety shared label is
set)