11 TROUBLESHOOTING
Special Relay List
(4) Scan information
Number | Name |
| Meaning | Explanation | Set by | Corresponding | Applicable | |
| (When Set) | ACPU | CPU | |||||
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| M9 | |||
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| Low speed | OFF: Completed or not | • Goes ON when low speed execution type program is | S |
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SM510 | program |
| executed | (Every END | New |
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| executed. |
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| execution flag | ON | : Execution under way. | processing) |
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| Reads module | OFF: Ignored | • When this relay goes from OFF to ON, the module |
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SM551 | service interval designated by SD550 is read to SD551 to | U | New | +Rem | ||||
service interval | ON | : Read | ||||||
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| SD552. |
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(5) Memory cards
Number | Name | Meaning | Explanation | Set by | Corresponding | Applicable | |
(When Set) | ACPU | CPU | |||||
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| M9 | |||
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SM600 | Memory card | OFF: Unusable | • ON when memory card is ready for use by user | S (Initial) | New |
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| usable flags | ON : Use enabled |
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SM601 | Memory card | OFF: No protect | • Goes ON when memory card protect switch is ON | S (Initial) | New |
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| protect flag | ON : Protect |
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SM602 | Drive 1 flag | OFF: No drive 1 | • Goes ON when loaded memory card is RAM. | S (Initial) | New |
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ON : Drive 1 present |
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SM603 | Drive 2 flag | OFF: No drive 2 | • Goes ON when loaded memory card is ROM. | S (Initial) | New |
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ON : Drive 2 present |
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SM604 | Memory card | OFF: Not used | • Goes ON when memory card is in use | S (Initial) | New |
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| ON : In use |
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SM605 | Memory card | OFF: Remove/insert enabled | • Goes ON when memory card cannot be inserted or | U | New |
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remove/insert | ON : Remove/insert | removed |
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| prohibit flag | prohibited |
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| Memory card | OFF: Remove/insert | • Turned ON by user to enable the removal/insertion of |
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| memory card. |
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SM609 | remove/insert | prohibited | U/S | New |
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• Turned OFF by the system after the memory card is |
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| enable flag | ON : Remove/insert enabled |
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| removed. |
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| • Always ON | S (Initial) | New | QCPU | |
SM620 | Memory card B | OFF: Unusable |
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| Q2A (S1) | |
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| Q3A | ||||
usable flags | ON : Use enabled | • ON when memory card B is ready for use by user | S (Initial) | New | |||
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| Q4A | |
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| Q4AR | |
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| • Always ON | S (Initial) | New | QCPU | |
SM621 | Memory card B | OFF: No protect |
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| Q2A (S1) | |
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| Q3A | ||||
protect flag | ON : Protect | • Goes ON when memory card B protect switch is ON | S (Initial) | New | |||
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| Q4A | |
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| Q4AR | |
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| • Always ON | S (Initial) | New | QCPU | |
SM622 | Drive 3 flag | OFF: No drive 3 |
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| Q2A (S1) | |
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| Q3A | ||||
ON : Drive 3 present | • Goes ON when drive 3 (card 2 RAM area) is present | S (Initial) | New | ||||
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| Q4A | |||||
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| Q4AR | |
SM623 | Drive 4 flag | OFF: No drive 4 | • Always ON | S (Initial) | New | QCPU | |
ON : Drive 4 present | • Goes ON when drive 4 (card 2 ROM area) is present | S (Initial) | New | Q2A (S1) | |||
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SM624 | Memory card B | OFF: Not used | • Goes ON when memory card B is in use | S (Initial) | New | ||
ON : In use | Q3A | ||||||
| Memory card B | OFF: Remove/insert enabled | • Goes ON when memory card B cannot be inserted or |
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| Q4A | |
SM625 | U | New | Q4AR | ||||
remove/insert | ON : Remove/insert | removed | |||||
| prohibit flag | prohibited |
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SM640 | File register use | OFF: File register not used | • Goes ON when file register is in use | S (Status | New |
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ON : File register in use | change) |
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SM650 | Comment use | OFF: File register not used | • Goes ON when comment file is in use | S (Status | New |
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ON : File register in use | change) |
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| OFF: Internal memory |
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SM660 | Boot operation | execution | • Goes ON while boot operation is in process | S (Status | New |
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ON : Boot operation in | • Goes OFF if boot designation switch is OFF | change) |
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| progress |
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| Memory card A |
| • Goes ON when access is made to area outside the range |
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| OFF: Within access range | of file register R of memory card A |
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SM672 | file register | S/U | New |
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ON : Outside access range | (Set within END processing.) |
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| access range flag |
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| • Reset at user program |
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11 - 48 | 11 - 48 |