public void check() {
		if(!started){ com.start(); started = true;}
		// TODO Auto-generated method stub
		if(com.getPressureSwitchValue() != currentState){
			
			if(!(currentState = com.getPressureSwitchValue())) 
				com.setRelayValue(Relay.Value.kOn);
			else 
				com.setRelayValue(Relay.Value.kOff);
		}
	}