520
Auxiliary Area Allocations by Function
Appendix C
Power Supply Information
Flash Memory Backup Information
Name
Address
Description
Access
Updated
Startup Time
A510 and
A511
These words contain the time at which the power was
turned ON. The contents are updated every time that the
power is turned ON. The data is stored in BCD.
A510.00 to A510.07: Second (00 to 59)
A510.08 to A510.15: Minute (00 to 59)
A511.00 to A511.07: Hour (00 to 23)
A511.08 to A511.15: Day of month (01 to 31)
Read/write
Power Interruption Time
A512 and
A513
These words contain the time at which the power was
interrupted. The contents are updated every time that the
power is interrupted. The data is stored in BCD.
A512.00 to A512.07: Second (00 to 59)
A512.08 to A512.15: Minute (00 to 59)
A513.00 to A513.07: Hour (00 to 23)
A513.08 to A513.15: Day of month (01 to 31)
(These words are not cleared at startup.)
Read/write
Number of Power
Interruptions
A514
Contains the number of times that power has been inter-
rupted since the power was first turned ON. The data is
stored in binary. To reset this value, overwrite the current
value with 0000.
Read/write
Total Power ON Time
A523
Contains the total time that the PLC has been ON in 10-
hour units. The data is stored in binary and it is updated
every 10 hours. To reset this value, overwrite the current
value with 0000.
Read/write
Name
Address
Description
Access
Updated
User Program Date
A90 to A93
These words contain in BCD the date and time that the
user program was last overwritten.
A90.00 to A90.07: Seconds (00 to 59)
A90.08 to A90.15: Minutes (00 to 59)
A91.00 to A91.07: Hour (00 to 23)
A91.08 to A91.15: Day of month (01 to 31)
A92.00 to A92.07: Month (01 to 12)
A92.08 to A92.15: Year (00 to 99)
A93.00 to A93.07: Day of the week (00 to 06)
(00: Sunday, 01: Monday, 02: Tuesday, 03: Wednesday,
04: Thursday, 05: Friday, 06: Saturday)
Read-only
Parameter Date
A94 to A97
These words contain in BCD the date and time that the
parameters were last overwritten.
A94.00 to A94.07: Seconds (00 to 59)
A94.08 to A94.15: Minutes (00 to 59)
A95.00 to A95.07: Hour (00 to 23)
A95.08 to A95.15: Day of month (01 to 31)
A96.00 to A96.07: Month (01 to 12)
A96.08 to A96.15: Year (00 to 99)
A97.00 to A97.07: Day of the week (00 to 06)
(00: Sunday, 01: Monday, 02: Tuesday, 03: Wednesday,
04: Thursday, 05: Friday, 06: Saturday)
Read-only
Summary of Contents for CP1L - 12-2007
Page 3: ...iv...
Page 9: ...x...
Page 13: ...xiv TABLE OF CONTENTS...
Page 21: ...xxii...
Page 33: ...xxxiv Conformance to EC Directives 6...
Page 65: ...32 Function Blocks Section 1 5...
Page 428: ...395 Clock Section 6 9...
Page 429: ...396 Clock Section 6 9...
Page 523: ...488 Troubleshooting Unit Errors Section 9 4...
Page 531: ...496 Replacing User serviceable Parts Section 10 2...
Page 563: ...528 Auxiliary Area Allocations by Function Appendix C...
Page 611: ...576 Auxiliary Area Allocations by Address Appendix D...
Page 638: ...603 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 639: ...604 Connections to Serial Communications Option Boards Appendix F...
Page 669: ...634 Index...
Page 671: ...636 Revision History...