Panasonic FP Series Programming Manual page 917

Timer instructions
ST When programming with structured text, enter the following:
Alarm_Control( start:=
SV:= 1000,
T=>
EV=>
(*The ON-delay time is 1000ms*)
Alarm_Relay_1:=
(*Alarm_Relay_1 is set to TRUE after 500ms*)
(*Alarm_Relay_1 is set to TRUE after 500ms*)
916
Start_Contact
Alarm_Relay_2 ,
Alarm_Control.EV );
Alarm_Control.EV
,
<= 500 & Alarm_Control.EV <> 0;