DVP15MC11T Operation Manual
8.7.3 CTUD
FB/FC
Explanation
FB
CTUD is used as an up-down counter. DVP15MC11T
Parameters
Meaning
Description Valid range
CU
Up-counter
Input Control the counter to count up TRUE or FALSE
CD
Down-counter
Input Control the counter to count down TRUE or FALSE
Reset Reset signal Input Reset counter present value TRUE or FALSE
Load Load signal Input For writing the down-counter value TRUE or FALSE
PV Preset value Input Counter setting value 0 ~ 4294967295
QU Output signal Output Q is TRUE when CV equals PV. TRUE or FALSE
QD Output signal Output
Q is TRUE when the counter counts down
to 0.
TRUE or FALSE
CV Counter value Output Counter present value 0 ~ 4294967295
Boolean
Bit string Integer
Real
number
Time, date
String
BOOL
BYTE
WORD
DWORD
LWORD
USINT
UINT
UDINT
ULINT
SINT
INT
DINT
LINT
REAL
LREAL
TIME
DATE
TOD
DT
STRING
CU
●
CD
●
Reset
●
Load
●
PV
●
QU
●
QD
●
CV
●
CTUD
EN ENO
QU
CTUD_instance
CU
CD QD
Reset
Load
PV
CV
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