868
APPX
Appendix 5 List of Special Register Areas
Interrupt pointer mask pattern
The following is the list of special register areas relating to the mask pattern for interrupt pointers.
User authentication function
The following is the list of special register area relating to the user authentication function.
No. Name Data stored Details Set by
(setting
timing)
CPU
SD1400
to
SD1463
Interrupt pointer mask
pattern
Mask pattern The mask pattern for interrupt pointers is stored as shown in the
following figure:
S (at
execution)
ALL
No. Name Data stored Details Set by
(setting
timing)
CPU
SD1468 Number of login users Number of login users The number of users logged in to the CPU module is stored. The
value is incremented by one every time the login operation to the
programmable controller or files is performed. The value is
decremented by one every time the logout operation is performed.
S (Status
change)
RnSF
RnPSF
b15 b1 b0
SD1400 I15 I1 I0
SD1401 I31 I17 I16
SD1463 I1023 I1009 I1008
to
to
to
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