code: def connect(self, ip_address, tsap_snap7, tsap_logo, tcpport=102):
          
          logger.info("connecting to %s:%s tsap_snap7 %s tsap_logo %s" % (ip_address, tcpport,
                                                               tsap_snap7, tsap_logo))
          # special handling for Siemens Logo
          # 1st set connection params
          # 2nd connect without any parameters
          self.set_param(snap7.snap7types.RemotePort, tcpport)
          self.set_connection_params(ip_address, tsap_snap7, tsap_logo)
          result = self.library.Cli_Connect(self.pointer)
          check_error(result, context="client") 
          return result
docs: Connect to a Siemens LOGO server. Howto setup Logo communication configuration see: http://snap7.sourceforge.net/logo.html
  
          :param ip_address: IP ip_address of server
          :param tsap_snap7: TSAP SNAP7 Client (e.g. 10.00 = 0x1000)
          :param tsap_logo: TSAP Logo Server (e.g. 20.00 = 0x2000)