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| 6F3B0253 |
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6. Programming Information |
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| Device/ | Name | Function |
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| register |
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| S050 | CF (carry flag) | Used for instructions which manipulate carry |
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| S051 | ERF (instruction error flag) | ON when instruction execution error is occurred |
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| (related to alarm flags of SW06) |
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| S052 | − | Reserved |
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| S053 | − | Reserved |
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| S054 | − | Reserved |
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| S055 | − | Reserved |
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| S056 | − | Reserved |
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| S057 | − | Reserved |
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| S058 | − | Reserved |
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| S059 | − | Reserved |
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| S05A | − | Reserved |
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| S05B | − | Reserved |
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| S05C | − | Reserved |
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| S05D | − | Reserved |
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| S05E | − | Reserved |
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| S05F | − | Reserved |
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| S060 | Illegal instruction (down) | ON when illegal instruction is detected |
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| S061 | − | Reserved |
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| S062 | − | Reserved |
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| S063 | − | Reserved |
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| S064 | Boundary error (alarm) | ON when illegal address is designated by indirect |
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| addressing (operation continued) |
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| S065 | − | Reserved |
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| S066 | − | Reserved |
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| S067 | − | Reserved |
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| S068 | Division error (alarm) | ON when error occurs in division instruction (operation |
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| continued) |
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| S069 | BCD data error (alarm) | ON when BCD data error has detected in BCD |
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| operation instructions (operation continued) |
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| S06A | Table operation error | ON when table size error has detected in table |
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| (alarm) | operation instructions (operation continued) (T1S only) |
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| S06B | Encode error (alarm) | ON when error occurs in encode instruction (operation |
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| continued) |
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| S06C | − | Reserved |
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| S06D | − | Reserved |
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| S06E | − | Reserved |
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| S06F | − | Reserved |
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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.
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