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518
Auxiliary Area Allocations by Function
Appendix C
Memory Cassette Information
Information on Read Protection Using a Password
Name
Address
Description
Access
Updated
Memory Cassette Access
Status
A342
A342.03: ON when data is being written to the Memory
Cassette or the Memory Cassette is being ini-
tialized. OFF when processing has been com-
pleted.
A342.04: ON when data is being read from the Memory
Cassette. OFF when processing has been
completed.
A342.05: ON when data is being compared with data on
the Memory Cassette. OFF when processing
has been completed.
A342.07: ON when an error occurs in initializing the
Memory Cassette.
OFF the next time the Memory Cassette is
accessed normally (initialized, written, read, or
compared).
A342.08: ON when an error occurs in writing the Mem-
ory Cassette.
OFF the next time the Memory Cassette is
accessed normally (initialized, written, read, or
compared).
A342.10: ON when an error occurs in reading or com-
paring the Memory Cassette.
OFF the next time the Memory Cassette is
accessed normally (initialized, written, read, or
compared).
A342.12: ON when the data in the CPU Unit is not the
same as the data in the Memory Cassette
when a verification operation is performed.
OFF the next time the Memory Cassette is
accessed normally (initialized, written, read, or
compared).
A342.13: ON when the Memory Cassette is being
accessed. OFF when processing has been
completed.
A342.15: ON when a Memory Cassette is mounted.
OFF when a Memory Cassette is not mounted.
Read-only
Memory Casette Verifica-
tion Results
A494
Stores the results of comparing data in the Memory Cas-
sette and CPU Unit. Each bit turns ON to indicate status.
A494.00: User program is different.
A494.01: Function block sources are different.
A494.02: Parameter area is different.
A494.03: Symbol table is different.
A494.04: Comments are different.
A494.05: Program indices are different.
A494.06: Data memory is different.
A494.07: DM initial values are different.
Read-only
Name
Address
Description
Access
Updated
UM Read Protection Flag
A99.00
Indicates whether the entire user program in the PLC is
read-protected.
OFF: UM not read-protected.
ON: UM read-protected.
Read-only
Task Read Protection Flag
A99.01
Indicates whether read protection is set for individual
tasks.
OFF: Tasks not read-protected.
ON: Tasks read-protected.
Read-only
Program Write Protection for
Read Protection
A99.02
Indicates whether the program is write-protected.
OFF: Write-enabled.
ON: Write-protected.
Read-only
Enable/Disable Bit for Pro-
gram Backup
A99.03
Indicates whether creating a backup program file (.OBJ)
is enabled or disabled.
OFF: Enabled.
ON: Disabled.
Read-only
Содержание CP1H-CPU - 05-2006
Страница 1: ...OPERATION MANUAL CP1H CPU Unit SYSMAC CP Series CP1H X40D CP1H XA40D CP1H Y20DT D Cat No W450 E1 02...
Страница 2: ...CP1H X40D CP1H XA40D CP1H Y20DT D CP1H CPU Unit Operation Manual Revised May 2006...
Страница 3: ...iv...
Страница 11: ...xii TABLE OF CONTENTS...
Страница 15: ...xvi...
Страница 19: ...xx...
Страница 31: ...xxxii Conformance to EC Directives 6...
Страница 71: ...40 Function Blocks Section 1 5...
Страница 133: ...102 Computing the Cycle Time Section 2 7...
Страница 169: ...138 CPM1A Expansion I O Unit Wiring Section 3 6...
Страница 411: ...380 Clock Section 6 8...
Страница 519: ...488 Replacing User serviceable Parts Section 10 2...
Страница 527: ...496 Standard Models Appendix A...
Страница 535: ...504 Dimensions Diagrams Appendix B...
Страница 628: ...597 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 629: ...598 Connections to Serial Communications Option Boards Appendix F...
Страница 659: ...628 PLC Setup Appendix G...
Страница 665: ...634 Index work words 159 write protection 370...
Страница 667: ...636 Revision History...