Reference: Programming :

and all programs which the user [...] of objects (type Program [...] SyncAlways=1 The variables of PROGRAM

for the redundancy state. PROGRAM [...] program the triggering [...] PROGRAM PLC_PRG VAR s

PROGRAM or of type [...] of all objects of type PROGRAM

the program status [...] , or the program status

the synchronization PROGRAM PLC [...] ; PROGRAM POU VAR END

with its Windows default program [...] default programs

PROGRAM or of type

ToActive to program the switchover

3 is stored in Program