Industrial data acquisition and forwarding distributed control system

The invention relates to an industrial data acquisition and forwarding distributed control system, which belongs to the technical field of control systems and comprises a network data centralized acquisition master control module, a pulse reading module, a digital quantity reading module, a relay output module, an analog quantity conversion module and a frequency converter control module, a pulse reading module, a digital quantity reading module, a relay output module, an analog quantity conversion module, an analog quantity output module and a frequency converter control module are connected through a 485 bus, a 1 # network port of a network data centralized acquisition master control module is in TCP communication with an ABPLC through a network, and a 2 # network card of the network data centralized acquisition master control module serves as an MODBUSTCP server for data cross-network-segment forwarding. The problem that data extracted by the industrial personal computer in an OPC mode is unstable is solve