Mitsubishi Electric CR800 Series - Select Program for Automatic Operation

3 Description of functions
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3.5.7.2.6. Accessing CPU Buffer Memory Access Devices
Access RCPU buffer memory.
 Request data
For Read (Command: 0401), refer to the following example. For other commands, with the exception of device codes,
start device numbers, and device numbers, access based on the format for each command.
CPU module access device and request data compatibility is as follows.
• Command
Access is possible with the following commands.
Item
Command
Category
Operation
Device
Read
0401
Write
1401
Read Random
0403
Write Random
1402
Device code
First device
No. or device
No.
Extension
designation
Subcommand
Command
Command
Sub-
command
Device code
Number of
devices
Device code
Device
code
Device
code
Number
of
devices
First device No. or
device No.
First device No. or
device No.
Binary code
First device No.
or device No.
First device No.
or device No.
No extension
specified
No extension
specified
Extension specified
Extension specified
Extension
designation
Extension
designation