Communication method of TCP gateway, TCP gateway and system

The invention discloses a communication method of a TCP gateway, the TCP gateway and a system, and belongs to the technical field of industrial automation. The communication method of the TCP gateway provided by the invention comprises the following steps: establishing a TCP connection path between the TCP gateway and third-party equipment; target data transmission is carried out between the TCP gateway and the third-party equipment through the TCP connection path; wherein the target data comprises data acquired from the target storage space, or the target data comprises data stored in the target storage space; the target storage space is the space occupied by a plurality of logic slave devices managed by the TCP gateway, and the plurality of logic slave devices correspond to the third-party device. The method and the device are used for mass data communication between the TCP gateway and the third-party equipment. 本申请公开了一种TCP网关的通信方法、TCP网关及系统，属于工业自动化技术领域。本申请提供的TCP网关的通信方法包括：在TCP网关与第三方设备之间建立TCP连接通路；通过TCP连接通路在TC