6ES7317-2EK14-0AB0 Siemens Simatic S7-300 CPU 317-2 PN/DP Central processing unit

Product parameters

CPU model: S7-300 CPU 317-2 PN/DP, integrating dual communication interfaces of Profinet and Profibus-DP.

Processing performance: The instruction processing speed is approximately 0.03μs per bit instruction, 0.06μs per word instruction, and 0.12μs per two-word instruction, supporting large-scale program operations.

Memory configuration: The working memory is 4MB (for programs) + 8MB (for data), and storage can be expanded via a Micro SD card (up to 8GB).

I/O expansion: No built-in I/O, supports expansion of up to 32 S7-300 modules (digital quantity, analog quantity, special function modules, etc.).

Communication interface: 1 Profinet Ethernet port (with a 2-port switch, supporting TCP/IP), 1 Profibus-DP interface (master/slave mode, maximum transmission rate 12Mbps), 1 MPI interface (for programming and HMI connection).

Power supply requirement: It needs to be matched with an S7-300 power module (such as PS307), compatible with DC 24V or AC 120/230V.

Environmental adaptability: Operating temperature 0°C - 60°C, storage temperature -40 °C - 70°C, protection grade IP20.

Function

Efficient logic and process control: Supports programming methods such as ladder diagram (LAD), Function Block diagram (FBD), and Structured Control Language (SCL), enabling complex logical operations, timer/counter control, as well as closed-loop regulation of process variables like temperature and pressure.

Multi-protocol communication capability: Connect industrial Ethernet devices (such as touch screens, frequency converters, and servo drives) via Profinet, and connect distributed I/O (such as ET200 series) via Profibus-DP, meeting the requirements of multi-device networking and data interaction.

Memory expansion and data management: Supports Micro SD card storage for program backup, data logs (such as production data records), or CPU firmware updates, facilitating later maintenance and data traceability.

Diagnosis and Security Protection: Built-in hardware self-diagnosis function, which can monitor module faults and abnormal communication links, and feedback fault information through LED indicator lights or TIA Portal software; Support program password protection and copy protection to prevent unauthorized modification or copying.

Compatible with special function modules: expandable positioning modules, counting modules, temperature control modules, etc., to meet special requirements such as precise positioning (such as machine tool motion control) and high-frequency counting (such as production line cycle time statistics).

Application scenarios

Medium and large-scale production lines: such as automotive assembly lines and electronic equipment surface mount technology (SMT) production lines, are used to control the linkage of multiple devices (such as robotic arms, conveyor lines, and inspection equipment), achieving production process automation and precise synchronization.

Complex control in process industry: In the fields of chemical engineering, pharmaceuticals, and food processing, analog quantity modules are used to monitor multiple sets of temperature, pressure, and flow parameters, achieving multi-loop closed-loop control (such as constant temperature control of reaction vessels and stable pressure control of pipelines).

Distributed control in smart factories: As a workshop-level control unit, it communicates with the central SCADA system or MES system through Profinet/Profibus-DP to achieve "decentralized control and centralized monitoring", thereby enhancing the efficiency of factory management.

High-end equipment matching: Integrated into CNC machine tools, packaging machinery, and printing equipment, it undertakes core control tasks and drives the equipment to perform high-precision actions.

Advantage Products:

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