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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 f lags 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 I l l egal instruction (down) ON when illegal instruction is detected
S061 −Reserved
S062 −Reserved
S063 −Reserved
S064 Boundary error (alarm) ON when illegal addr ess is designated by indirect
addressing (operation continued)
S065 −Reserved
S066 −Reserved
S067 −Reserved
S068 Di vision error (alarm) ON when error occurs in division instruction (operati on
continued)
S069 BCD dat a error (alarm) ON when BCD data error has detected in BCD
operation instructions (operation c ontinued)
S06A Table operation error
(alarm) ON when table size error has detected in table
operation instructions (operation c ontinued) (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.