5.2 Serial Communication and Modem Interface Instruction
5.2.6 SPBUSY instruction
5-61
5
QCP
U
IN
S
T
RUCTI
O
N
DE
TA
IL
S
G_SP
BUSY
G_SPBUSY
5.2.6
SPBUSY instruction
G_SPBUSY
Function
This instruction reads the data transmission/reception status.
G(P)_SPBUSY
P: Executing condition
:
indicates any of the following
instructions.
G_SPBUSY
GP_SPBUSY
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
Output argument
ENO:
Execution result
:Bit
d:
Variable that stores read communication status
:ANY32
Setting
data
Internal device
R, ZR
J
\
U
\G
Zn
Constant Others
Bit
Word
Bit
Word
−
Structured ladder
ST
EN
ENO
d
U
n
*
G_SPBUSY
G_SPBUSY
(EN, U
n
*, d);
ENO:=
d
Summary of Contents for QCPU
Page 1: ...Structured Programming Manual Mitsubishi Programmable Controller QCPU Special Instructions ...
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