Siemens SIMATIC S7-300 CPU 317-2 DP PLC – 6ES7317-2AK14-0AB0, 1 MB Work Memory

Brand SIEMENS
4.5 W
Load MemoryMicro Memory Card (MMC) required
Maximum MMC Capacity8 MB
First Communication InterfaceMPI / PROFIBUS DP, up to 12 Mbit/s
Second Communication InterfacePROFIBUS DP, master/slave
Physical Interfaces2 × RS485
Maximum Digital I/O Address Area8,192 bytes each for inputs and outputs, subject to system configuration
Typical Bit Processing Time0.025 µs
Typical Word Processing Time0.03 µs
Typical Fixed-Point Arithmetic Time0.04 µs
Typical Floating-Point Arithmetic Time0.16 µs
Programming SoftwareSTEP 7 V5.5 SP1 or later; supported earlier versions may require the relevant hardware support package
Programming LanguagesLAD, FBD, STL, SCL and other languages supported by the selected engineering environment
Dimensions (W × H × D)Approximately 40 × 125 × 130 mm
Net WeightApproximately 401 g
Operating Temperature0°C to +60°C
Product LifecyclePhase-out announced; verify current spare-part availability

Key Features

  • 1 MB work memory: Supports larger PLC programs and data processing for compatible automation tasks.

  • Dual communication interfaces: Provides MPI/PROFIBUS DP and a second PROFIBUS DP interface.

  • PROFIBUS DP master/slave capability: Supports integration with compatible distributed I/O and industrial network architectures.

  • Integrated 24 V DC power supply: Designed for compatible SIMATIC S7-300 system configurations.

  • Micro Memory Card support: Stores the PLC program and load memory using a compatible Siemens MMC.

  • Advanced processing performance: Supports fast logic, arithmetic, and control operations.

  • Modular S7-300 architecture: Integrates into compatible Siemens automation systems.

Applications

  • Factory and production-line automation

  • Industrial machine control

  • PROFIBUS DP distributed I/O networks

  • Process monitoring and control

  • Packaging and manufacturing systems

  • Industrial equipment maintenance

  • Refurbishment of existing Siemens S7-300 installations

Compatibility and Installation Notes

Before ordering, confirm the exact part number, rack configuration, connected I/O modules, PROFIBUS network topology, Micro Memory Card, and STEP 7 project compatibility. CPU replacement may require transferring the existing program, checking hardware configuration, and recommissioning the system.

Communication note: The 6ES7317-2AK14-0AB0 is the CPU 317-2 DP model. It has MPI/PROFIBUS DP and a second PROFIBUS DP interface; it does not have an integrated PROFINET Ethernet interface. If your system requires PROFINET, verify the required CPU model before purchasing.

Availability notice: Siemens lists this model under its product phase-out announcement, effective October 1, 2023. Remaining stock and specialist spare-part availability may vary. Confirm whether the unit is new, refurbished, or used, along with warranty and authenticity, before ordering.

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