5-138
5.4 CC-Link IE Controller Network, MELSECNET/H, and Ethernet Instruction
5.4.16 OPEN instruction
ZP_OPEN
5.4.16
OPEN instruction
ZP_OPEN
*1: Local devices and file registers per program cannot be used as setting data.
Function
This instruction establishes (opens) a connection with external device for data communication.
ZP_OPEN
Executing condition
:
indicates the following instruction.
ZP_OPEN
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..9]
Output argument
ENO:
Execution result
:Bit
d:
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
−
−
−
−
−
−
−
−
−
−
EN
ENO
U
n
*
d
s1
s2
ZP_OPEN
ZP_OPEN
(EN, U
n
*, s1, s2, d);
ENO:=
Structured ladder
ST
S1
S2
d1
Содержание QCPU
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