Omron CS1W-MC221 - 02-2008 Operation Manual page 241

IOWR and IORD Specifications
Flags
Name Symbol
Error Flag ER
Equals Flag =
Negative Flag N
214
Operand
D
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.
CIO Area
Work Area
Holding Bit Area
Auxiliary Area
Timer Area
Counter Area
DM Area
EM Area
DM Area with bank designation En_00000 to 32767 (n=0 to C)
Indirect DM/EM address, binary @D00000 to 32767
Indirect DM/EM address, BCD
ON
• 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.
• 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.
---
Description
Area
0000 to 6143
W000 to 511
H000 to 511
A000 to 959
T0000 to 4095
C0000 to 4095
D00000 to 32767
E00000 to 32767
@E00000 to 32767
En_00000 to 32767 (n=0 to C)
*D00000 to 32767
*E00000 to 32767
*En_00000 to 32767 (n=0 to C)
None of the conditions on the left exists.
• 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.
Always OFF
Section 4-2
Range
OFF