ABB DSTS104 3BSE007285R1 amplifier card

Description

ABB DSTS104 3BSE007285R1 amplifier card

Large and medium-sized PLC systems should support multiple field buses and standard communication protocols (such as TCP/IP), and should be able to connect to the factory management network (TCP/IP) when needed. The communication protocol should comply with ISO/IEEE communication standards and should be an open communication network.

The communication interfaces of the PLC system should include serial and parallel communication interfaces (RS2232C/422A/423/485), RIO communication ports, industrial Ethernet, commonly used DCS interfaces, etc; Large and medium-sized PLC communication buses (including interface devices and cables) should be configured with 1:1 redundancy, and the communication bus should comply with international standards. The communication distance should meet the actual requirements of the device.

In the communication network of the PLC system, the communication speed of the superior network should be greater than 1Mbps, and the communication load should not exceed 60%. The communication network of PLC system mainly takes the following forms: 1) PC is the main station, and multiple PLCs of the same model are the slave stations, forming a simple PLC network; 2) One PLC serves as the master station, while other PLCs of the same model serve as slaves, forming a master-slave PLC network; 3) The PLC network is connected to a large DCS through a specific network interface as a subnet of the DCS; 4) Dedicated PLC network (dedicated PLC communication network of each manufacturer).

To reduce CPU communication tasks, communication processors with different communication functions (such as point-to-point, fieldbus, industrial Ethernet) should be selected based on the actual needs of network composition.

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