def get_response(self):
        """Generate the response block of this request.
        Careful: it only sets the fields which can be set from the request
        """
        res = IODControlRes()
        for field in ["ARUUID", "SessionKey", "AlarmSequenceNumber"]:
            res.setfieldval(field, self.getfieldval(field))

        res.block_type = self.block_type + 0x8000
        return res