def set_connection_params(self, address, local_tsap, remote_tsap):
        """
        Sets internally (IP, LocalTSAP, RemoteTSAP) Coordinates.
        This function must be called just before Cli_Connect().

        :param address: PLC/Equipment IPV4 Address, for example "192.168.1.12"
        :param local_tsap: Local TSAP (PC TSAP)
        :param remote_tsap: Remote TSAP (PLC TSAP)
        """
        assert re.match(ipv4, address), '%s is invalid ipv4' % address
        result = self.library.Cli_SetConnectionParams(self.pointer, address,
                                                      c_uint16(local_tsap),
                                                      c_uint16(remote_tsap))
        if result != 0:
            raise Snap7Exception("The parameter was invalid")