class Listener (DeviceListener):
    def onValueChanged(self, device, value, former):
        sin.removeListener(self)
        print "--"
        try:
            print out.read()
            print "Ok"
        except:
            print sys.exc_info()[1]

out.setTrustedMonitor(False)
sin.addListener(Listener())


c = create_channel("TESTIOC:TESTCALCOUT:Input")