6ES7341-1AH02-0AE0 Siemens Simatic S7-300 CP 341 Communications Processor

Product parameters

Core specifications: Single-channel PROFIBUS DP communication module, supporting Master and Slave mode switching, compatible with S7-300 PLC (requiring S7-300 backplane bus)

Communication protocol and rate: Supports PROFIBUS DP/V1 protocol, with a communication rate ranging from 9.6kbps to 12Mbps. Support DP V1 extension function (non-cyclic communication)

Interface type: 9-pin D-Sub (DB9) interface, conforming to PROFIBUS EN 50170 standard; Integrated isolation circuit

Connection capability: Up to 125 DP slave stations can be connected in master mode. Support DP slave diagnosis and address allocation

Power supply and power consumption: Working power supply: 5V DC (powered from the S7-300 backplane bus), typical power consumption ≤1.5W

Operating temperature: 0°C to 60°C, storage temperature: -20 °C to +60°C; Humidity: 5%-95% RH (no condensation)

Certification and Standards: Complies with international certifications such as CE, UL, CSA, and ATEX; Compatible with all series of S7-300 cpus

Software support needs to be configured in conjunction with Step7 V5.x programming software (such as V5.5), and it supports the invocation of function blocks (FB/FC) to achieve communication control

Function

PROFIBUS DP bidirectional communication: When serving as the master station, it can centrally control multiple DP slave stations (such as distributed I/O modules, frequency converters, sensors), achieving real-time data acquisition and instruction issuance. When functioning as a slave station, it can be connected to the network of the superior DP master station, upload local PLC data or receive control signals from the master station.

High-reliability data transmission: Integrated electrical isolation and EMC filter circuits to resist electromagnetic interference in industrial environments; Support data verification and retransmission mechanisms to ensure communication stability.

DP V1 extension function: Supports cyclic communication and non-cyclic communication, meeting the flexible communication requirements of complex industrial scenarios.

Convenient configuration and diagnosis: Communication parameters can be graphically configured through the Step7 software, and it supports online diagnosis functions to quickly locate problems.

Compatibility and scalability: Compatible with the entire S7-300 series of PLCS and can be mixed and installed with other S7-300 modules. Supports multi-master network architecture and can be integrated into large-scale distributed control systems.

Application scenarios

This module focuses on industrial distributed control and equipment interconnection scenarios, and its core applications are:

In the automotive manufacturing industry: The distributed control network of the automotive assembly line and welding production line serves as the DP master station module of the S7-300 PLC, connecting distributed I/O modules, robots, and conveyor line frequency converters to achieve collaborative control and data interaction among various devices.

Chemical engineering and process industry: Distributed control systems for chemical reaction vessels and water treatment equipment, connected to on-site sensors and actuators through the PROFIBUS DP network, achieve remote data collection and equipment control, and adapt to the decentralized layout requirements of workshops.

In the power and energy industry: Auxiliary control systems for substations and monitoring systems for photovoltaic power station combiner boxes, as DP slave station modules, are connected to the upper-level SCADA system or main PLC to upload equipment operation data and receive remote control instructions.

In the metallurgical and building materials industry: Electrical control systems for steel rolling production lines in steel mills and cement production lines, connecting frequency converters, PLC slave stations, and intelligent instruments, build a high-speed communication network to ensure the stable transmission of real-time control signals and production data.

General machinery manufacturing: Control systems for packaging machinery, printing machinery, and machine tool equipment, as DP master stations, integrate local I/O and distributed actuators to achieve multi-device linkage control, enhancing the degree of automation and flexibility of production lines.

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