60
4-9-2 Flags
Value ON OFF
ER
(25503)
The number of data transfer words
is 0, 128 or over, or not BCD.
The indirect DM is set to 6656 or
over or not BCD.
The destination unit number is
other than 0 to F or in the
SYSMAC BUS.
The instruction was not completed
normally.
A Unit that has an error was
specified.
None of the conditions on the left
exists.
CY
(25504)
--- ---
>
(25505)
--- ---
=
(25506)
Data transmission was normal.
One of the following error has
occurred, in which case bit 14 of
word n+8 turns ON.
The position data is not within the
acceptable range or BCD.
Data other than position data was
transmitted in the wrong format or
not within the acceptable range.
The I/O transfer required with a
previous cycle has not been
completed.
The previous intelligent transfer
has not been completed.
The address of the specified MC
Unit is not within the acceptable
range or BCD.
The data was transmitted to an
address that can be read only.
The number of data transfer words
was one of the following.
The number of position data
transmission words was not a
multiple of three.
The number of data transmission
words other than position data
transmission words was not two.
The value of the MC Unit’s
address plus the number of
transfer words divided by three
exceeded the value of the address
of the position data.
<
(25507)
--- ---
OF
(25404)
--- ---
UF
(25405)
--- ---
N
(25402)
--- ---
4-9-3 Transfer Example
Refer to the following for examples of data transmission when using the
C200HG with the MC Unit mounted, the unit number of which is set to 0. In these
examples, the operand of the IOWR instruction and the transmission data are
normal.
At the time of debugging, write a ladder program to refer to the Error Flag (word
n+8 bit 14).
IOWR Instruction
Section 4-9
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