11 TROUBLESHOOTING
Special Register List (Continued)
ACPU | Special | Special |
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Special | Register after | Register for | Name | Meaning | Details | ||
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Conversion | Conversion | Modification |
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| • When operation error has occurred during execution |
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| Step number at | of application instruction, the step number, at which |
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| the error has occurred, is stored in BIN code. Since |
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D9011 | SD1011 |
| Error step | which operation |
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| storage into SD1011 is made when SM1011 changes |
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| error has occurred. |
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| from off to on, the contents of SD1011 cannot be |
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| renewed unless SM1011 is cleared by user program. |
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| • The I/O control mode set is returned in any of the |
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| I/O control mode | following numbers: |
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D9014 | SD1014 |
| I/O control mode | 0. Both input and output in direct mode |
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| number | 1. Input in refresh mode, output in direct mode |
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| 3. Both input and output in refresh mode |
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| • The operation status of CPU as shown below are |
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| stored in SD203. |
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| B15 to B12 B11 to B8 B7 to B4 B3 to B0 |
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| Remote RUN/STOP |
| CPU key switch | ||||
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| by computer |
| 0 | RUN | |||
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| 0 | RUN |
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| 1 | STOP | ||||
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| 1 | STOP |
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| Operating status | Operating status of |
| 2 | PAUSE 1 | ||||
D9015 | SD1015 | SD203 | 2 | PAUSE | 1 | ||||||
of CPU | CPU | 3 | STEP RUN | ||||||||
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| Remains the same in | |||
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| remote RUN/STOP mode. | |||
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| Status in program |
| Remote RUN/STOP | ||||
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| 0 | Except below | by parameter setting | ||||
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| 0 | RUN | |||||
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| STOP |
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| 1 | STOP | |||
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| 1 | instruction |
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| execution |
| 2 | PAUSE 1 | ||
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| 1 When the CPU module is in RUN mode and | ||||||
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| SM1040 is off, the CPU remains in RUN mode if | |||||
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| changed to PAUSE mode. |
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| 0: Main program |
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| (ROM) |
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| 1: Main program |
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| 2: Subprogram 1 |
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| (RAM) |
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| 3: Subprogram 2 |
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| (RAM) |
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| 4: Subprogram 3 |
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| 5: Subprogram 1 |
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D9016 | SD1016 |
| Program | (ROM) | • Indicates which sequence program is run presently. | ||||||
| number | 6: Subprogram 2 | One value of 0 to B is stored in BIN code. | ||||||||
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| (ROM) |
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| 7: Subprogram 3 |
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| (ROM) |
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| 8: Main program |
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| (E2PROM) |
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| 9: Subprogram 1 |
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| (E2PROM) |
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| A: Subprogram 2 |
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| (E2PROM) |
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| B: Subprogram 3 |
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| (E2PROM) |
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| • If scan time is smaller than the content of SD520, the | ||||||
D9017 | SD1017 | SD520 | Scan time | Minimum scan time | value is newly stored at each END. Namely, the | ||||||
(10 ms units) | minimum value of scan time is stored into SD520 in | ||||||||||
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| BIN code. |
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D9018 | SD1018 | SD524 | Scan time | Scan time | • Scan time is stored in BIN code at each END and | ||||||
(10 ms units) | always rewritten. |
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11 - 88 |
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| 11 - 88 | ||