Vector VEC-VA Series

VA Motion Controller Programming Manual
176
LD varl
ST CTD_1.CD
LD var2
ST CTD_1.L0AD
LD var3
ST CTD_1.PV
CAL CTD_1
LD CTD_1.Q
ST var4
LD CTD_1.CV
ST var5
ST
programming language
CTD_1
(
CD:=var1
,
LOAD:=var2,
PV:=var3
)
Var4:=CTD_1.Q
Vase:=CTD_1.CV
Note :
IL, ST
language programming needs to insert the variable
vlar1~var5
constant in the
current
POU
variable worksheet
数据
Data type processed by
CTD
instruction
Input
type of
data
description
CD
BOOL
If the CD has a rising edge , the CV is decremented by 1.
LOAD
BOOL
When LOAD
is
FALSE
, the count is started, it is
TRUE
,
the
PV is
assigned to
CV
, and the counter is initialized.
PV
INT
Count dowNStart value
Output
type of
data
description
Q
BOOL
When CV=0 , O=1
CV
INT
Count value
Funtion and Action examples
Q output 1 when contact C000 is
description