Free download

                 1. Support DCON, Modbus RTU, Modbus ASCII, Modbus TCP protocols

                 2. Support mutiple COM Ports and TCP/IP connections

                 3. Can search for I-7000, I-87K, I-8000 and M-7000 serial modules to add

                 4. Add password protection

                 5. Can export / import configuration file

For details refer to

           http://www.icpdas.com/products/Software/ez_data_logger/ez_data_logger.html