
6F3B0253
9. Maintenance and Checks
(Periodic checks - continued)
Item | Check | Criteria |
Environment | Check that the temperature, humidity, | Must be within the range of |
| vibration, dust, etc. are within the | general specification. |
| specified range. |
|
Programming tool | Check that the functions of the | Monitoring and other operations |
| programming tool are normal. | are available. |
| Check that the connector and cable | Not damaged |
| are not damaged. |
|
User program | Check that the | No compare error |
| the master program (saved on a floppy |
|
| disk, etc.) are the same. |
|
9.4 Maintenance parts
To recover from trouble quickly, it is recommended to keep the following spare parts.
Item | Quantity | Remarks |
1 | Prepare at least one to minimize the | |
|
| of the controlled system. |
Programming tool | 1 | Useful for the troubleshooting procedure. |
Master program | As required | Saved on a floppy disk, etc. |
Expansion rack or | 1 |
|
unit (if any) |
|
|
I/O module | One of each type |
|
(if any) | used |
|
Fuse for I/O | One of each type |
|
module (if any) | used |
|
Battery (CR2032) | 1 |
|
These spare parts should not be stored in high temperature and/or humidity locations.
Basic Hardware and Function 279