6ES7340-1AH02-0AE0 Siemens Simatic S7-300 CP 340 Communications Processor

Product parameters

Communication parameters: Equipped with 1 isolated RS232C (V.24) interface, using a 9-pin D-sub connector; The transmission rate range is 2.4-19.2kbit/s, with a maximum of 19.2kbit/s under the 3964 (R) protocol and 9.6kbit/s under the ASCII protocol and printer driver. The longest communication cable distance is only 15 meters. Supports 3964 (R) and ASCII protocols. The maximum message length under both protocols is 1024 bytes.

Power supply and power consumption parameters: The power supply relies on the backplane bus for 5V DC power supply, corresponding to the 24V DC power supply specification. Maximum input current 165mA; The typical power consumption is 0.6W, and the maximum power consumption is 0.85W. The power consumption is relatively low, and the pressure on the system power supply is small.

Environmental parameters: Operating temperature range: 0℃ - 60℃, storage and transportation temperature range: -40 ℃ - 70℃. It can adapt to the conventional temperature and humidity environments of most industrial workshops. Meanwhile, it has industrial-grade anti-electromagnetic interference capability and a protection level of IP20.

Function

Short-range stable communication: Optimized for the RS232C interface, although the communication distance is only 15 meters, data transmission is stable within this range, which can meet the point-to-point communication requirements between short-range devices in the workshop, and is compatible with common industrial printers such as HP inkjet printers and laser printers.

Reduce CPU load: As an independent communication processor, it can independently undertake serial communication tasks under ASCII and 3964 (R) protocols, avoiding the need for the PLC's CPU to handle both logical control and communication tasks simultaneously. This ensures that the CPU can focus on core control operations and enhances the response speed of the entire system.

Convenient adaptation and configuration: Equipped with configuration software packages, parameter configuration can be completed through dedicated software. Combined with the modular architecture of S7-300, it can be directly connected to the rack during installation without complex wiring. It is simultaneously compatible with specific models of industrial printers, and the printing function can be achieved without the need to add additional compatibility modules.

Application scenarios

Close-range equipment data interaction in the workshop: In the electronic component assembly workshop, the S7-300 PLC can be connected to a small barcode printer near the workstation to transmit real-time information such as product batches and specifications to the printer, completing on-site printing of product labels and ensuring the timely output of production traceability data.

Local communication for small processing equipment: In the control scenarios of small CNC machine tools, milling machines and other equipment, connect the PLC to the local operation panel of the equipment to achieve the distribution of equipment operation parameters and the upload of equipment operation status data, facilitating local monitoring of the equipment.

Laboratory and small production line control: In industrial automation laboratories of colleges and universities or small trial production lines, it is used to connect PLCS with computers, small data loggers and other equipment to achieve data collection and control instruction transmission during the experimental process. Its low power consumption and easy installation features are suitable for the construction requirements of small systems.

Local data recording in light industry: In small food workshop-style production lines and small beverage filling lines, by connecting PLCS with local data printers, production batches, output and other data can be printed regularly. There is no need for complex communication networking, which can meet the production recording requirements of small light industries.

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