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BUFRCVS instruction
Z_BUFRCVS
Serial Modem
Structured ladder/FBD
Z_BUFRCVS
EN
ENO
Un*
s
The following instruction can go in the dotted squares.
Z_BUFRCVS
■Executing condition
Instruction
Z_BUFRCVS
■Argument
Input/output
argument
Input argument
Output argument
Setting
Internal device
*1
data
Bit
(s)
(d)
*1 Local devices and file registers per program cannot be used as setting data.
Processing details
This instruction receives data with an interrupt program during communication using the nonprocedural protocol or
bidirectional protocol.
Setting data
Device
Item
(d)+0
Receive data length
(d)+1
Receive data
(d)+n
5 MODULE DEDICATED INSTRUCTION
66
5.3 Serial Communication Instruction
ST
ENO:=
Z_BUFRCVS
d
Executing condition
Name
Description
EN
Executing condition
Un*
Start I/O number of the module
(00 to FE: Higher two digits when expressing the I/
O number in three digits)
s
Reception channel number
1: Channel 1 (CH1 side)
2: Channel 2 (CH2 side)
ENO
Execution result
d
Start number of the device that stores read data
* Receive data are read from the receive area of
buffer memory.
R, ZR
Word
Setting data
The number of data read from the number of receive data
storage area is stored.
Data read from the receive data storage area are stored in
ascending address order.
(EN, Un*, s, d);
J\
U\G
Bit
Word
Data type
Bit
String
ANY16
Bit
ANY16
Zn
Constant
K, H
Setting range
Setting side
0 or more
System
System
Others
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