6GK7342-5DA03-0XE0 Siemens Simatic S7-300 CP 342-5 Communications Processor

Product parameters

Communication parameters: The communication protocol is PROFIBUS DP, with a transmission rate of 9.6kbit/s - 12Mbit/s. Equipped with 1 PROFIBUS RS485 interface (9-pin Sub-D socket), no industrial Ethernet interface; When serving as a DP master station, it can connect up to 124 DP slave stations at most.

Power supply and power consumption parameters: Supports 5V backplane bus power supply and 24V external DC power supply; The typical current consumption of the 5V backplane bus is 0.15A, and that of the 24V external power supply is 0.25A. The power loss reaches 6.75W.

Environmental parameters: Operating environment temperature 0-60°C, storage and transportation temperature -40-70°C; At 25°C without condensation, the maximum relative air humidity during operation is 95%.

Communication connection parameters: Open communication can establish up to 16 connections through the sending/receiving module, and the maximum effective data volume of a single connection is suitable for the conventional industrial requirements. The S7 communication supports up to 16 connections at most. When running with multiple protocols, the maximum number of valid connections is 32 without DP function and 28 with DP function.

Function

PROFIBUS DP flexible Networking: It can flexibly switch between DP master or slave modes, adapt to various network topologies such as bus, star, and ring, and can easily integrate into industrial PROFIBUS DP networks of different structures, meeting the networking requirements among devices in distributed control systems.

Multi-type compatible communication: It is S5 compatible and supports both PG/OP communication and S7 communication. It can not only adapt to the old S5 series control systems but also achieve efficient data interaction between programming devices, operation terminals and S7-300 PLCS, reducing the integration cost of new and old systems.

Convenient configuration and maintenance: Configuration programming needs to be carried out in conjunction with STEP 7 V5.1SP2 or above version or STEP 7 Professional V12 (TIA Portal) or above version software. The operation process is simple and simplifies the system integration and debugging links. And it is compatible with the overall operation and maintenance logic of the S7-300 system, facilitating unified management by staff.

Explosion-proof and stable operation: Complies with the relevant explosion-proof standards of GB3836.1 and GB3836.8, marked as Ex nA IIC T4 Gc, can adapt to the harsh electromagnetic environment in industry, ensure the stability of communication signals under complex working conditions, and at the same time meet the safety requirements of explosion-proof scenarios.

Application scenarios

Manufacturing automation production lines: In production lines such as automotive assembly and electronic component processing, DP slave stations that connect sensors, robotic arms, sorting equipment, etc. at each workstation as the DP master station achieve production rhythm control, equipment coordinated actions, and real-time upload of production data. For instance, the production status data of each workstation can be transmitted to the central control room through S7 communication.

Process industry monitoring system: In fields such as petrochemicals and chemical synthesis, it is used to connect equipment such as reaction vessels, control valves, and pressure transmitters. With its anti-interference ability and stable communication performance, it ensures the transmission of process parameters such as temperature, pressure, and flow rate, achieving precise control of the production process. At the same time, its explosion-proof features meet the safety requirements of chemical scenarios.

Power energy control scenarios: In substations and power auxiliary equipment control systems, various power monitoring instruments and control actuating elements can be connected to achieve the summary of equipment status monitoring data and the issuance of control instructions, enhancing the stability of power system operation and facilitating power dispatching and operation and maintenance management.

In small and medium-sized distributed control scenarios: In small and medium-sized production lines such as food and beverage filling and building materials processing, it is used to build a distributed communication network based on S7-300, connecting scattered on-site control units with central PLCS, taking into account communication efficiency and cost, and meeting the automation communication requirements of small and medium-sized production.

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