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CHAPTER 15 DEDICATED INSTRUCTIONS
15
15.5 ZP.OPEN
15.5 ZP.OPEN
This instruction establishes (opens) a connection with the connected device to perform data communications.
*1 The file registers set for each local device and program cannot be used.
(1) Setting data
Setting data
*1
Available device
Internal device
(system, user)
File
register
Link direct device
J\
Intelligent
function module
device U\G
Index
register
Zn
Constant
Others
Bit Word Bit Word K, H $
(S1)
(S2)
(D1)
Setting data Description Set by Data type
Un/"Un"
Start I/O number of the E71 (00 to FE
H
: The first two digits
of the three-digit I/O number)
User
BIN 16-bit/character
string
(S1) Connection number (1 to 16) BIN 16-bit
(S2) Start number of the device that stores control data User, system Device name
(D1)
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.
System Bit
ZP.OPEN
Command
ZP.OPEN Un (S1) (S2) (D1)
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