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15.5
ZP.OPEN
This instruction establishes (opens) a connection with the connected device to perform data communications.
ZP.OPEN
Internal device
*2
Setting data
(system, user)
Bit
(S1)
-
(S2)
-
(D1)
*1
If the own station is a Basic model QCPU (function version B or later), Universal model QCPU, or safety CPU, " " (double
quotation) of the first argument can be omitted.
*2
The file registers set for each local device and program cannot be used.
(1) Setting data
Setting data
"Un"/Un
(S1)
(S2)
(D1)
*1
For safety CPUs, only connection numbers 1 to 8 can be specified. If the specified value is out of range, "OPERATION
ERROR" (error code: 4101) occurs.
240
Command
Link direct device
File
register
Word
Bit
Description
Start I/O number of the E71 (00 to FE
of the three-digit I/O number)
Connection number (1 to 16)
Start number of the device that stores control data
The start number of the bit device in the own station that
turns on for one scan upon completion of the instruction.
(D1)+1 also turns on if the instruction ends abnormally.
ZP.OPEN
"Un"
*1
Available device
Intelligent
J\
function module
device
Word
U\G
-
-
-
: The first two digits
H
*1
(S1)
(S2)
(D1)
Index
Constant
register
Zn
K, H
$
-
-
-
-
-
Set by
Data type
Character string/BIN
16-bit
User
BIN 16-bit
User, system
Device name
System
Bit
Others
-
-
-
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