Bufrcv Instruction - Mitsubishi MELSEC-L series Programming Manual

ZP_BUFRCV
5.4.17

BUFRCV instruction

ZP_BUFRCV
Structured ladder
ZP_BUFRCV
EN ENO
Un*
s1
s2
Input argument EN:
Un*:
s1:
s2:
Output argument ENO:
d1:
d2:
Function
This instruction reads receive data from external device in fixed buffer communication.
This instruction is used in a main program.
5.4 CC-Link IE Controller Network, MELSECNET/H, and Ethernet Instruction
5-202
5.4.17 BUFRCV instruction
ST
ENO:= (EN, Un*, s1, s2, d1, d2);
ZP_BUFRCV
d1
d2
Executing condition
Start I/O number of the module
(00 to FE: Higher two digits when expressing the I/O number in
three digits)
Connection number (1 to 16)
Variable that stores control data
Execution result
Start number of the device that stores read data
Variable that turns ON upon completion of the instruction
d2[1] also turns ON at the time of error completion.
Internal device
Setting
*1
data
Bit Word
−
s1
−
s2
−
d1
d2
Executing condition
ZP_BUFRCV
:Bit
:String
:ANY16
:Array of ANY16 [0..1]
:Bit
:ANY16
:Array of bit [0..1]
J \
R, ZR
U
Bit Word
−
−
−
−
*1: Local devices and file registers per program cannot be used as setting data.
ZP_BUFRCV
E71
:
indicates the following instruction.
Constant
Zn Others
\G
K, H
−
− −
− −
− −