5.4 CC-Link IE Controller Network, MELSECNET/H, and Ethernet Instruction
5.4.20 BUFSND instruction
5-145
5
QCP
U
IN
S
T
RUCTI
O
N
DE
TA
IL
S
ZP
_
B
U
F
SN
D
ZP_BUFSND
5.4.20
BUFSND instruction
ZP_BUFSND
*1: Local devices and file registers per program cannot be used as setting data.
Function
This instruction reads receive data from external device in fixed buffer communication.
This instruction is used in a main program.
ZP_BUFSND
Executing condition
:
indicates the following instruction.
ZP_BUFSND
Input argument
EN:
Executing condition
:Bit
Un*:
Start I/O number of the module
(00 to FE: Higher two digits when expressing the I/O number in
three digits)
:String
s1:
Connection number (1 to 16)
:ANY16
s2:
Variable that stores control data
:Array of ANY16 [0..1]
s3:
Start number of the device that stores write data
:ANY16
Output argument
ENO:
Execution result
:Bit
d1:
Variable that turns ON upon completion of the instruction
d[1] also turns ON at the time of error completion.
:Array of bit [0..1]
Setting
data
*1
Internal device
R, ZR
J
\
U
\G
Zn
Constant
K, H
Others
Bit
Word
Bit
Word
−
−
−
−
−
−
−
−
−
−
−
−
−
−
Structured ladder
EN
ENO
U
n
*
d1
s1
s2
s
3
ZP_BUF
S
ND
ST
ZP_BUF
S
ND
(EN, U
n
*, s1, s2, s
3
, d1);
ENO:=
S1
S2
S3
d1
Содержание QCPU
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