5.11 Standard Counter Function Blocks
5.11.1 Up counter
5-195
5
APPLICATION
FUNCTIONS
CTU(_E)
CTU(_E)
Operation result
(1) Function without EN/ENO
An operation is executed and the operation value is output from and .
(2) Function with EN/ENO
The following table shows the executing conditions and operation results.
*1 The previous operation output value is held at and even if EN is FALSE.
EN ENO
,
TRUE (Operation execution) TRUE Operation output value
FALSE (Operation stop) FALSE
Previous output value
*1
d1
d2
d1
d2
d1
d2