30
Specifications Section 1-6
Item Description
Message unit
contents
*1:
Header and
terminator
data attributes
Con-
stant
ASCII data, hexadecimal data, or control code
*2:
Data
attributes of
addresses
and data in
send/receive
messages
Con-
stant
ASCII data, hexadecimal data, or control code (with an address, no control
code is possible)
Vari-
able
No conversion, conversion to ASCII data, or conversion to hexadecimal data
(the read/write direction can be specified)
Designa-
tion
method
(X, Y)
X: Effective address (where read from, or where written to)
Y: Data size (1 to 1,000)
Note The data size is the number of bytes on the transmission
path.
X Word designa-
tion
Word read (I/O
memory to
send data)
Specify using
the 3rd oper-
and of the
PMCR(260)
instruction.
Set leading
address + n
(The linear
expression aN
+ b, including
repeat counter
N, is also pos-
sible for n.)
Specify using a
link word.
I/O memory
direct designa-
tion
Word write
(receive data to
I/O memory)
Specify using
the 4th oper-
and of the
PMCR(260)
instruction.
Specify using a
link word.
I/O memory
direct designa-
tion
Wild card * Any data or address can be
received (only in receive mes-
sages)
Repeat counter N
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