Mitsubishi Electric MELSEC iQ-R Series User Manual page 65

Cache settings
This section explains the cache settings.
Configure cache when using a large volume of registers, which are defined by CA-SECS device assignment (I/O assignment),
for item data.
Window
[Transaction Information] screen  [Detail]
Displayed items
Item
No.
Use
Start Register
Counts
Frame Type
Up to 20 KB can be configured for one cache setting.
Up to 10240 registers can be configured at 20 KB. Up to 2048 shared memory units can be configured at 20
KB.
To obtain maximal performance, edit the related data in the continuous region so that the register range to be
registered by the cache setting is reduced as low as possible.
Description
Select the setting number by Handshake (for each transaction).
When cache settings will be used, select the checkbox.
Configure the first register to be used.
Configure the quantity of registers to be used.
Select the frame to use the cache settings (primary message / secondary message / both).
7 BASIC FUNCTIONS
63
7.4 Transaction List
7