CPU Unit Operation Section 9-1
186
9-1-3 Overseeing Processing
Back up I/O Memory Areas for re-execution of scan as the CX-Simulator's
own process. The I/O Memory Areas to be backed-up are as follows.
Name Word Address Remarks
CIO area CIO0000 to CIO6143
WR W000 to W511
HR H000 to H511
AR A000 to A959
TR TR0 to TR15
DM D00000 to D32767
EM E0_00000 to EC_32767
Timer Completion Flag (T) T0000 to T4095
Counter Completion Flag(C) C0000 to C4095
Timer PV (T) T0000 to T4095
Counter PV(C) C0000 to C4095
Task Flag (TK) TK0 to TK31
Index Registers (IR) IR0 to IR15
Data Registers (DR) DR0 to DR15
Force-set/reset Bit -
Differential Flag -
Internal Work Area - Elapsed Time,
etc.
9-1-4 Computing Process
The computing process is performed for the program area for applications
(UM1) and program area for debugging (UM2) respectively.
The execution order is UM1 to UM2.
Setting Enable/Disable of UM in [System Status] | [Settings] | [UM Setting] will
disable either UM1 or UM2 so as to execute only one (Disabling both is not
possible.).
Note The computing time for the program area for debugging (UM2) is not re-
flected in the virtual cycle time.
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