User manual

44
Word register F12 (F12.0 to F12.15)
Only a bit process is available.
Special registers SR0 to SR016 (W2560 to W2576)
May be modified - each is composed of 1 word.
Address Function Description Remarks
F12.0 RTC check On when the RTC is enabled. -
F12.2 Flash On when the 9.6 KW of flash memory is installed. -
F12.3 Flash On when the 16 KW of flash memory is installed. -
F12.5 Battery error
On when the battery is not connected or the voltage is
lower than the backup voltage.
-
F12.7
Periodical scan
error
On when any error exists in the periodical program.
F12.10 RTC set error On when there is an error setting the RTC. Output
F12.11
Saving Flash and
checking boot
Off when the program is normally saved into Flash by
setting F12.15 On.
Output
F12.12
EEPROM backup
check
On when the program in EEPROM is the same with that in
RAM.
F12.13 RTC Set 1
On when you change the year, month, day, or date. Off
when the data set is normal.
I/O
F12.14 RTC Set 2
On when you change the hour, minute, or second. Off
when the data set is normal.
I/O
F12.15 Saving Flash
On when you save the current program into the flash. Off
when the data set is normal.
I/O
Address Function Description
SR000 CPU ID number
Indicates the CPU ID number in the lower 8 bits. 0 to 223 are the valid user-
defined values, 255 is the default value.
SR001
CPU state
Indicates current CPU information state. (run/stop/remote control/error)
Error = 1
CPU run control (same as F0.15)
CPU switch remote control (REM) =1
CPU switch RUN = 1
CPU switch STOP= 0
SR2 Watchdog time Indicates the user program watchdog time (unit: msec)
SR3 Scan time
Indicates the scan time when executing a program. Updated at every scan
(unit: msec)
SR4 Max. scan time Indicates maximum value of scan time when executing a program.
SR5
to SR7
Link module
number
Link module number as set by the link # 1, 2, 3
SR8 PID table PID register block start address
SR9
to SR10
Reserved System use area
SR11
to SR16
Remote I/O
information
Remote setup area
MSB
←
03 02 01 00