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APPX
Appendix 5 List of Special Register Areas
System information
The following is the list of special register areas relating to the system information.
No. Name Data stored Details Set by
(setting
timing)
CPU
SD160 Firmware version Firmware version The firmware version is stored. S (Initial) Rn
*1
RnP
*5
RnSF
*4
SD200 Status of switch Status of CPU
switch
The switch status of the CPU module is stored as follows:
0: RUN, 1: STOP
S (Switch
change)
ALL
SD201 LED status CPU-LED state This register stores the information that indicates LED status (0: off, 1:
on, 2: flashing) of the CPU module in the following bit patterns.
(1) READY
(2) ERROR
(3) PROGRAM RUN
(4) USER
(5) BATTERY
(6) CARD READY
(7) CARD ACCESS
(8) FUNCTION
• For the R00CPU, (5), (6), and (7) are fixed to 0.
• For the R01CPU and R02CPU, (5) is fixed to 0.
S (Status
change)
ALL
SD203 Operating status of
CPU
Operating status of
CPU
The operating status of the CPU module is stored as follows:
0: RUN, 2: STOP, 3: PAUSE
S (Every
END)
ALL
SD205 Safety operation
mode
Safety operation
mode
The safety operation mode is stored. (The applicable bit turns on.)
(1) TEST MODE
(2) SAFETY MODE
(3) SAFETY MODE (wait-for-restart)
S (Status
change)
RnPSF
RnSF
SD206 Pair version Pair version The pair version of the SIL2 Process CPU or Safety CPU is stored in
decimal notation.
S (Initial) RnPSF
RnSF
SD210 Clock data Clock data (year) The year value (four digits) of the clock data is stored as a BIN code. S/U
(Request)
ALL
SD211 Clock data (month) The month value of the clock data is stored as a BIN code. S/U
(Request)
ALL
SD212 Clock data (day) The day value of the clock data is stored as a BIN code. S/U
(Request)
ALL
SD213 Clock data (hour) The hour value of the clock data is stored as a BIN code. S/U
(Request)
ALL
SD214 Clock data (minute) The minute value of the clock data is stored as a BIN code. S/U
(Request)
ALL
SD215 Clock data (second) The second value of the clock data is stored as a BIN code. S/U
(Request)
ALL
SD216 Clock data (day of
the week)
The day of the week value of the clock data is stored as a BIN code. (0:
Sun, 1: Mon, 2: Tue, 3: Wed, 4: Thu, 5: Fri, 6: Sat)
S/U
(Request)
ALL
SD218 Time zone setting
value
Time zone (in
minutes)
The time zone setting value specified in the parameter is stored in
increments of minutes.
Example: when the setting value of the time zone is "UTC+9," the result
of the following equation is stored into SD218: 9 60 (minutes) = 540.
S (Initial) ALL
b15 b0b4 b3b7b11 b8b12
(4)(5)(6)(7)(8) (3) (2) (1)
b15 b0b1b2b3
1/0 1/01/00
(2)(3)
(1)
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