//OnDeath
void RespawnMe(string sResRef, location lLocation, string sNewTag)
{
    CreateObject(OBJECT_TYPE_PLACEABLE, sResRef, lLocation, FALSE, sNewTag);
}
void main()
{
    float fSeconds = 500.0;//Set respawn time in seconds
    string sMyResRef = GetResRef(OBJECT_SELF);
    location lMyLocation = GetLocation(OBJECT_SELF);
    string sMyTag = GetTag(OBJECT_SELF);
    AssignCommand(GetArea(OBJECT_SELF), DelayCommand(fSeconds , RespawnMe(sMyResRef, lMyLocation, sMyTag)));
}