APPX
Appendix 5 List of Special Register Areas
847
A
SD228 Multiple CPU
system information
Number of CPU
modules
The number of CPU modules which constitute a multiple CPU system is
stored (one to four, including those reserved).
S (Initial) Rn
*2
RnP
RnSF
SD229 CPU module
number in multiple
CPU system
The number of this CPU No. is stored when a multiple CPU system is
configured.
S (Initial) Rn
*2
RnP
RnSF
SD230 CPU No.1 operating
status
The operation information for each CPU No. is stored (the amount of
stored information depending on the number of CPU modules indicated
in SD228 is stored).
(1) The operating status is stored in b0 to b3.
• 0: RUN
•2: STOP
•3: PAUSE
• 4: INITIALIZE
• FH: RESET
(2) The classification is stored in b4 and b5. However, minor or moderate
errors will be those set in the CPU parameter RAS settings, system
parameter I/O assignment settings, and multiple CPU settings.
•0: Normal
• 1: Minor error (error code: 1000H to 1FFFH)
• 2: Moderate error (error code: 2000H to 3BFFH)
• 3: Major error (error code: 3C00H to 3FFFH)
(3) The stop error flag is stored in b7.
• 0: No stop error
• 1: Stop error
(4) The CPU module mounting status is stored in b15.
• 0: Not mounted
• 1: Mounted
S (During
END/Error)
Rn
*2
RnP
RnSF
SD231 CPU No.2 operating
status
Rn
*2
RnP
RnSF
SD232 CPU No.3 operating
status
Rn
*2
RnP
RnSF
SD233 CPU No.4 operating
status
Rn
*2
RnP
RnSF
SD241 Extension stage
number
0: base unit only
1 to 7: number of
extension base
units
The maximum number of implemented extension base units is stored. S (Initial) Rn
RnP
RnSF
SD242 Identification for
whether or not Q
series module can
be mounted
Identification of the
base type
0: Cannot be
mounted (There
is no base unit
on which the Q
series module
can be
mounted.)
1: Can be mounted
(There is a base
unit on which
the Q series
module can be
mounted.)
Identify whether or not Q series module can be mounted. When no SD
memory card is inserted, the value is fixed to 0.
• b0: Main base unit (fixed to 0)
• b1: Extension base unit 1 (Q series modules can be mounted.)
• b2: Extension base unit 2 (Q series modules can be mounted.)
• b3 to b7: Extension base unit 3 to 7 (Q series modules can be
mounted.)
• b8 to b15: Fixed to 0
S (Initial) ALL
SD243 Number of base
slots
Number of base
slots
The number of slots of the base unit, which is specified in the Base /
power supply / extension cable setting of system parameters, is stored.
When the number of slots of the base unit is not specified by the system
parameter, that of the mounted base unit is stored.
0: Main
1 to 7: Extension 1 to 7
S (Initial) ALL
SD244 ALL
SD250 Loaded maximum I/
O
Loaded maximum I/
O number
The value obtained by dividing the last I/O number for an implemented
unit plus one by 16 is stored.
Example 1: Last I/O number 010FH
• SD250 = 0011H
Example 2: Last I/O number 0FFFH
• SD250 = 0100H
S (Initial) ALL
No. Name Data stored Details Set by
(setting
timing)
CPU
b15 b14 b8 b7 b6 b5 b4 b3 b0
(2)(3)
(4)
(1)
·
·
b15
SD243
SD244
b12 b11 b8 b7 b4 b3 b0
32 10
76 54
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