5 MODULE DEDICATED INSTRUCTION
5.3 Serial Communication Instruction
57
5
G_INPUT
The following instruction can go in the dotted squares.
G_INPUT
■
Executing condition
■
Argument
*1 Local devices and file registers per program cannot be used as setting data.
Processing details
This instruction receives data in the message format specified by the user using the nonprocedural protocol.
Setting data
Instruction
Executing condition
G_INPUT
Input/output
argument
Name
Description
Data type
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)
ANY16
s
Variable that stores control data
Array of ANY16 [0..3]
Output argument
ENO
Execution result
Bit
d1
Start number of the device that stores read data
ANY16
d2
Variable that turns ON upon completion of the
instruction
d2[1] also turns ON at the time of error completion.
Array of bit [0..1]
Setting
data
Internal device
R, ZR
J
\
U
\G
Zn
Constant
Others
Bit
Word
Bit
Word
(s)
(d1)
(d2)
Device
Item
Setting data
Setting range
Setting side
(s)[0]
Reception channel
Set the reception channel.
1: Channel 1 (CH1 side)
2: Channel 2 (CH2 side)
1, 2
User
(s)[1]
Reception result
The instruction completion status is stored.
0: Normal completion
Other than 0: Error completion (error code)
System
(s)[2]
Number of receive data
The number of receive data are stored.
0 or more
System
(s)[3]
Allowable number of words for
receive data
Set the allowable number of words for receive data to be
stored in (d1).
1 or more
User
Serial
Modem
Structured ladder/FBD
ST
G_INPUT
EN
ENO
d1
Un*
s
d2
G_INPUT
(EN, Un*, s, d1, d2);
ENO:=
Содержание MELSEC System Q
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