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565
Auxiliary Area Allocations by Address
Appendix D
Note The following flags are provided in a special read-only area and can be specified with the labels given in
the table. These flags are not contained in the Auxiliary Area. Refer to 4-18 Condition Flags and 4-19
Clock Pulses for details.
A752
All
DM Initial
Values Save
Password
Set the passwords here to transfer DM
initial values between the DM area and
the DM initial value area in flash mem-
ory. The transfer will not be started
unless the correct password is set.
The transfer is started when A751.15 is
turned ON.
The password will be cleared by the
system when the transfer has been
completed.
A5A5 hex:
Save initial val-
ues from DM to
flash
Retained Cleared
---
---
A753
All
DM Initial
Values Save
Area Speci-
fication
Specifies the area to be transferred to
flash memory.
0001 hex: DM
Area specified
Retained Cleared
---
---
Flag area
Name
Label
Meaning
Condition Code
Area
Error Flag
ER
Turns ON when an error occurs in processing an instructions, indi-
cating an error end to the instruction.
Access Error Flag
AER
Turns ON when an attempt is made to access an illegal area. The
status of this flag is maintain only during the current cycle and only
in the task in which it occurred.
Carry Flag
CY
Turns ON when there is a carry or borrow in a math operation,
when a bit is shifted into the Carry Flag, etc.
Greater Than Flag
>
Turns ON when the result of comparing two values is
“
greater
than,
”
when a value exceeds a specified range, etc.
Equals Flag
=
Turns ON when the result of comparing two values is
“
equals,
”
when the result of a math operation is 0, etc.
Less Than Flag
<
Turns ON when the result of comparing two values is
“
less than,
”
when a value is below a specified range, etc.
Negative Flag
N
Turns ON when the MSB in the result of a math operation is 1.
Overflow Flag
OF
Turns ON when the result of a math operation overflows.
Underflow Flag
UF
Turns ON when the result of a math operation underflows.
Greater Than or Equals
Flag
>=
Turns ON when the result of comparing two values is
“
greater than
or equals.
”
Not Equal Flag
<>
Turns ON when the result of comparing two values is
“
not equal.
”
Less than or Equals Flag
<=
Turns ON when the result of comparing two values is
“
less than or
equals.
”
Always ON Flag
A1
This flag is always ON.
Always OFF Flag
A0
This flag is always OFF.
Clock Pulse
Area
0.02-s clock pulse
0.02s
Repeatedly turns ON for 0.02 s and OFF for 0.02 s.
0.1-s clock pulse
0.1s
Repeatedly turns ON for 0.1 s and OFF for 0.1 s.
0.2-s clock pulse
0.2s
Repeatedly turns ON for 0.2 s and OFF for 0.2 s.
1-s clock pulse
1s
Repeatedly turns ON for 1 s and OFF for 1 s.
1-min clock pulse
1min
Repeatedly turns ON for 1 min and OFF for 1 min.
Addresses
Name
Function
Settings
Status
after
mode
change
Status
at star-
tup
Write
timing
Related
Flags,
Settings
Word
Bits
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...