6F3B0253
82 T1-16S User’s Manual
6. Programming Information
Device/
register
Name Function
S050 CF (carry flag) Used for instructions which manipulate carry
S051 ERF (instruction error flag) ON when instruction execution error is occurred
(related to alarm flags of SW06)
S052
−
Reserved
S053
−
Reserved
S054
−
Reserved
S055
−
Reserved
S056
−
Reserved
S057
−
Reserved
S058
−
Reserved
S059
−
Reserved
S05A
−
Reserved
S05B
−
Reserved
S05C
−
Reserved
S05D
−
Reserved
S05E
−
Reserved
S05F
−
Reserved
S060 Illegal instruction (down) ON when illegal instruction is detected
S061
−
Reserved
S062
−
Reserved
S063
−
Reserved
S064 Boundary error (alarm) ON when illegal address is designated by indirect
addressing (operation continued)
S065
−
Reserved
S066
−
Reserved
S067
−
Reserved
S068 Division error (alarm) ON when error occurs in division instruction (operation
continued)
S069 BCD data error (alarm) ON when BCD data error has detected in BCD
operation instructions (operation continued)
S06A Table operation error
(alarm)
ON when table size error has detected in table
operation instructions (operation continued) (T1S only)
S06B Encode error (alarm) ON when error occurs in encode instruction (operation
continued)
S06C
−
Reserved
S06D
−
Reserved
S06E
−
Reserved
S06F
−
Reserved
NOTE
(1) Devices marked as (down) are set in the ERROR mode. Therefore
these devices cannot be used in the user program.
(2) CF, ERF and devices marked as (alarm) can be reset by the user
program.
