【ABB CI867】
The CI867 is an Ethernet communication module provided by ABB for AC 800M controllers, mainly used to connect the controller with external Ethernet devices and achieve communication using Modbus TCP protocol.
Main features:
1. Modbus TCP protocol: Adopting Modbus TCP protocol, it is an open industry standard protocol that is easy to use and widely used.
2. Master slave function: Supports both master and slave working modes, which can flexibly adapt to different application scenarios.
3. High bandwidth: Ch1 channel supports full duplex 100 Mbps high-speed transmission, meeting the demand for high bandwidth.
4. Redundancy function: Redundancy can be set, supports hot plugging, and improves system reliability.
5. Multi channel: CI867A is a single channel module, CI867 is a dual channel module, and Ch2 supports half duplex 10 Mbps transmission.
6. Widely used: Applied in the field of industrial automation, it can connect various devices that support Modbus TCP protocol.
Main functions:
1. Data exchange: Data exchange between controllers and external devices to achieve remote monitoring, data collection, and other functions.
2. Network Expansion: Expand the communication range of the control system through Ethernet network.
3. Protocol conversion: Convert the internal protocol of the controller to Modbus TCP protocol for easy communication with other devices.
Application scenarios:
1. Process control system: communicates with PLC, frequency converter, sensors and other equipment to achieve process control.
2. Data collection system: Collect data from on-site equipment and transmit it to the upper computer for analysis.
3. Remote monitoring system: Implement remote monitoring and maintenance of equipment.
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