221
CHAPTER 15 DEDICATED INSTRUCTIONS
15
15.9 ZP.BUFRCV
(3) Receive data
(4) Functions
• This instruction reads the receive data (for fixed buffer communications) of the connection specified by (S1)
for the module specified by Un.
Device Item Setting data
Setting
range
Set by
(D1)+0
Receive data
length
Stores the data length
of the data read from
the fixed buffer data
area. (Depending on
the procedure of fixed
buffer
communications, the
data length is the
number of words or
the number of bytes.)
System
Procedure exists (communications using a
binary code): Number of words
1 to 1017
Procedure exists (communications using
an ASCII code): Number of words
1 to 508
No procedure (communications using a
binary code): Number of bytes
1 to 2046
(D1)+1
to
(D1)+n
Receive data
Stores the data read from the fixed buffer data area starting from
the smallest address.
System
Receive data length
Receive data
:
:
Receive data
(D1)
No.1
No.n
:
:
No.16
Fixed buffer data area
BUFRCV
CPU module E71