Omron CS1W-MC221 -, Operation Manual

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IOWR and IORD Specifications Section 4-2
Flags
D
Area Range
CIO Area 0000 to 6143
Work Area W000 to 511
Holding Bit Area H000 to 511
Auxiliary Area A000 to 959
Timer Area T0000 to 4095
Counter Area C0000 to 4095
DM Area D00000 to 32767
EM Area E00000 to 32767
DM Area with bank designation En_00000 to 32767 (n=0 to C)
Indirect DM/EM address, binary @D00000 to 32767
@E00000 to 32767
En_00000 to 32767 (n=0 to C)
Indirect DM/EM address, BCD *D00000 to 32767
*E00000 to 32767
*En_00000 to 32767 (n=0 to C)
Operand Description
First destination word
Specifies the first word of the CPU Unit to store the data that will be
read. The following areas can be specified as the destination start
word address. Refer to the
SYSMAC CS Series Programmable
Controller Operation Manual
(W399) for details.
Name Symbol ON OFF
Error Flag ER • The total number of data words
transferred for S is not between
0000 and 0080 hex.
• The unit number data for S is not
between 0000 and 005F hex.
• The specified Special I/O Unit
does not support the IORD
instruction.
• The specified Special I/O Unit
has a setting error or unit error.
None of the conditions on the left exists.
Equals Flag = • The read command was not
completed normally.
• The following error has occurred,
in which case bit 14 of word n +
10/n + 18 will be ON: Position
data was illegal data.
• The read command was not completed
normally.
• A previous transfer has not been completed.
• The specified MC Unit address does not exist.
• The position number of data words transferred
was not a multiple of three.
• The number of system parameter words
transferred was not two.
• The value of the MC Unit address plus the
number of words transferred divided by 3
exceeded 07CF hex (upper position data limit
1999), the last address for position data.
• More than 12 words were specified for position
data transfer.
• The Teaching Box is in Enabled or Reserved
Mode.
Negative Flag N --- Always OFF