CTD_DINT
Block name
CTD_DINT
ST call
PROGRAM CTD_DINT_DEMO VAR BOOL1,BOOL2,BOOL3: BOOL; DINT1,DINT2: DINT; FB:CTD_DINT; END_VAR FB(CD:=BOOL1,LD:=BOOL2,PV:=DINT1,Q=>BOOL3,CV=>DINT2); END_PROGRAM
Description
The block acts as a counter counting down to zero from the preset value pv.
Inputs
| Input | Type | Description | Default value |
| CD | BOOL | Rising edge counts one down | False |
| LD | BOOL | Sets the counter to its initial value pv | False |
| PV | DINT | Initial value of the counter | 0 |
Outputs
| Output | Type | Description |
| Q | BOOL | State when the counter finished counting (counting finished: q=true) |
| CV | DINT | Current value of the counter |
Application example
