| Support Protocol Type |
| PPI Protocol | 1. Siemens special communication protocol, based on RS485 bus, is used for master-slave communication between Siemens equipment. |
| 2. The most basic use is to let Siemens STEP7 micro / win programming software upload and download the program and Siemens HMI to communicate with PC. " |
| MPI Protocol | MPI Protocol "1. Siemens special communication protocol, based on RS485 bus. | |
| 2. It is mainly used for master master communication and master slave communication of multiple devices on the bus. | |
| 3. This product only supports MPI slave. " | |
| Free port protocol | 1. Transmission protocol based on serial port. | |
| 2. Mainly used for user-defined transmission of messages, through serial transmission occasions; this host is RS485. " | |
| USS protocol | 1. USS is a serial communication protocol specially developed by Siemens for driving device. | |
| Modbus RTU Protocol | 1. Support Modbus RTU master and slave station; | |
| 2. It is used for communication between devices which meet the Modbus standard protocol based on RS485 bus. | |
| S7 Ethernet Protocol | 1. Siemens special communication protocol, not limited to physical layer; this host is based on Ethernet.
|
| 2. It is applied to the communication between Siemens devices based on standard Ethernet connection. " | |
| Modbus TCP Protocol | 1. Support Modbus TCP master and slave station; | |
| 2. It is used for Ethernet based communication of devices meeting MODBUS standard protocol. | |
| TCP Protocol | 1. It is a connection oriented, reliable, byte stream based transport layer communication protocol. This product only supports TCP client. |
| 2. In this product, it is mainly used to meet the user's needs for custom message transmission to TCP server. | |
| HTTP Protocol | 1. Mainly based on TCP / IP communication protocol to transfer data (HTML files, picture files, etc.)
|
| 2. This product is mainly used to configure or query the network parameters (IP, gateway, subnet mask, etc.) of the device through the web page. | |
