5 MODULE DEDICATED INSTRUCTION
5.3 Serial Communication Instruction
59
5
Bidirectional protocol communication
G(P)_BIDOUT
The following instruction can go in the dotted squares.
G_BIDOUT, GP_BIDOUT
■
Executing condition
■
Argument
*1 Local devices and file registers per program cannot be used as setting data.
Processing details
This instruction sends data using the bidirectional protocol.
Setting data
Instruction
Executing condition
G_BIDOUT
GP_BIDOUT
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
s1
Variable that stores control data
Array of ANY16 (0..2)
s2
Start number of the device that stores send data
ANY16
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
Internal device
R, ZR
J
\
U
\G
Zn
Constant
Others
Bit
Word
Bit
Word
(s1)
(s2)
(d)
Device
Item
Setting data
Setting range
Setting side
(s1)[0]
Transmission channel
Set the transmission channel.
1: Channel 1 (CH1 side)
2: Channel 2 (CH2 side)
1, 2
User
(s1)[1]
Transmission result
The instruction completion status is stored.
0: Normal completion
Other than 0: Error completion (error code)
System
(s1)[2]
Number of send data
Set the number of send data.
1 or more
User
Serial
Modem
Structured ladder/FBD
ST
G_BIDOUT
EN
ENO
Un*
s1
s2
d
G_BIDOUT
(EN ,Un* ,s1 ,s2 ,d);
ENO:=
Содержание MELSEC System Q
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