Access To Module Mounted On Extension Base Unit - Mitsubishi Q12PRHCPU User Manual

5
REDUNDANT SYSTEM FUNCTIONS

5.11 Access to Module Mounted on Extension Base Unit

Table5.65 shows the access to a module mounted on the extension base unit when
accessing from the control system and when accessing from the standby system.
Execution
Item
At END
Refresh
processing
I/O access
At instruction
Instruction
execution
At END
Refresh
processing
Access to
buffer
memory
At instruction
Instruction
execution
At END
Monitor
processing
5
- 139 5.11 Access to Module Mounted on Extension Base Unit
Table5.65 Access to Module Mounted on Extension Base Unit
Name
timing
Input from input module
Output from output module
Direct access of input
device (DX)
Direct access of output
device (DY)
I/O refresh instruction
Refresh of intelligent
function module
Refresh of CC-Link IE
Controller Network module
Refresh of MELSECNET/H
module
Refresh of CC-Link master
module
Device initial value of link
direct device (J \ )
Device initial value of
intelligent function module
(U \G )
Data link instruction
Refresh instruction
Read/write from/to
intelligent function module/
special function module
Link direct device (J \ )
Intelligent function module
(U \G )
Buffer memory batch
monitor/device batch
monitor
Access from control system
Backup mode Separate mode Backup mode Separate mode
Execute Execute
Execute Execute
Executable Executable
Executable Executable
Executable Executable
Executable Executable
*1
Inexecutable Inexecutable
*1
Inexecutable Inexecutable
Executable Executable
*1
Inexecutable Inexecutable
Executable Executable
Executable Executable
Executable Executable
Executable Executable
*1
Inexecutable Inexecutable
Executable Executable
*2 *2
Executable Executable
Access from standby system
*5
-
Not execute Not execute
Inexecutable Inexecutable
Inexecutable Inexecutable
Inexecutable Inexecutable
Inexecutable Inexecutable
*1 *1
Inexecutable Inexecutable
*1 *1
Inexecutable Inexecutable
Inexecutable Inexecutable
*1 *1
Inexecutable Inexecutable
Inexecutable Inexecutable
Inexecutable Inexecutable
Inexecutable Inexecutable
• SM1593=ON:
Inexecutable
Inexecutable
(An error does
*1 *1
Inexecutable not occur)
• SM1593=OFF:
Inexecutable
Stop error
*4
Inexecutable Inexecutable
(To the next page)
*5
-
*1
*1
*1
*4