启动一个保持型通电延时定时器完整的STL语句表如下:
A Enable_input;
FR Timer;
A Start_input;
L Duration;
SS Timer;
A Reset_input;
R Timer;
L Timer;
T Binary_time_value;
LD Timer;
T BCD_time_value;
A Timer;
=Timer_status;
采用SCL,调用保持型通电延时定时器编程如下:
BCD_time_value:=S_ODTS(
T_NO :=Timer,
S := Start_input,
TV :=,Duration,
R := Reset_input,
Q := Timer_status,
BI :=Binary_time_value);