679
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
Summary of Contents for CP1H CPU UNITS - PROGRAMMING 05-2007
Page 2: ......
Page 3: ...CP1H X40D CP1H XA40D CP1H Y20DT D CP1H CPU Unit Operation Manual Revised March 2009...
Page 4: ...iv...
Page 10: ...x...
Page 18: ...xviii...
Page 22: ...xxii...
Page 34: ...xxxiv Conformance to EC Directives 6...
Page 174: ...140 CP series Expansion I O Unit Wiring Section 3 6...
Page 370: ...336 Analog I O XA CPU Units Section 5 5...
Page 552: ...518 Trouble Shooting Section 8 7...
Page 595: ...561 Sample Application Section 9 12 Network Settings Network Tab Network Settings Driver Tab...
Page 598: ...564 Sample Application Section 9 12...
Page 642: ...608 Standard Models Appendix A...
Page 652: ...618 Dimensions Diagrams Appendix B...
Page 745: ...711 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 746: ...712 Connections to Serial Communications Option Boards Appendix F...
Page 776: ...742 PLC Setup Appendix G...
Page 778: ...744 Specifications for External Power Supply Expansion Appendix H...
Page 786: ...752 Revision History...