No | "Device/“register" | Name | Function | |
1 | M0016 | CPU error (down) | ON at error state | |
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2 | M0017 | I/O error | ON at error state | |
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3 | M0018 | Program error (down) | ON at error state | |
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4 | M0019 | Not Used |
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5 | M0020 | Not Used |
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6 | M0021 | "Clock/calendar error“(alarm)" | ON when clock/calendar data is illegal | |
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7 | M0022 | "Retentive data invalid“(alarm)" | ON when retentive data in RAM are invalid | |
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8 | M0023 | Not Used |
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9 | M0024 | Not Used |
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10 | M0025 | Not Used |
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11 | M0026 | Not Used |
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12 | M0027 | "Watchdog timer error“(down)" | ON at error state | |
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13 | M0028 | Not Used |
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14 | M0029 | I/O mismatch (down) | ON at error state | |
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15 | M0030 | Analog Power Fail (Alarm) | ON at error state | |
16 | M0031 | BCC error (down) | ON at error state | |
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17 | M0032 | Not Used |
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18 | M0033 | Scan time over (down) | ON when the scan time exceeds 200 ms | |
19 | M0034 | Not Used |
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20 | M0035 | Not Used |
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21 | M0036 | Not Used |
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22 | M0037 | Not Used |
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23 | M0480 | System timer coil for 0.1 sec interval |
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24 | M0481 | System timer coil for 0.2 sec interval |
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25 | M0482 | System timer coil for 0.4 sec interval |
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26 | M0483 | System timer coil for 0.8 sec interval |
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27 | M0484 | System timer coil for 1 sec interval |
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28 | M0485 | System timer coil for 2 sec interval |
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29 | M0486 | System timer coil for 4 sec interval |
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30 | M0487 | System timer coil for 8 sec interval |
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31 | M0496 | Timer interrupt execution status | ON when Timer program is executing | |
32 | M0497 | IO1 interrupt execution status | ON when IO1 program is executing | |
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33 | M0498 | IO2 interrupt execution status | ON when IO2 program is executing | |
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34 | M0504 | Hold mode status | On when PLC is in hold mode. | |
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35 | M0512 | ALWAYS ON |
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36 | M0513 | ALWAYS OFF |
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Page 104
