Description
Siemens S7-300 CPU317F-2 PN/DP
The SIEMENS SIMATIC S7-300 CPU 317F-2 PN/DP (6ES7 317-2FK14-0AB0) is the failsafe version of the high-performance 317-series controller. It is specifically designed for plants with high-end safety requirements (Safety Integrated) alongside standard automation tasks.
Technical Specifications
|
Feature |
Specification |
|
Work Memory |
1.5 MB |
|
Bit Processing Speed |
|
|
Interface 1 |
MPI/PROFIBUS DP (up to ) |
|
Interface 2 |
PROFINET (2-Port Switch, IO Controller/Device) |
|
Safety Standards |
SIL 3 (IEC 61508) and PL e (ISO 13849.1) |
|
Load Memory |
Micro Memory Card (MMC) required (max. ) |
Safety Integrated Features
- Fail-safe Communication: It uses the PROFIsafe profile for safety-related communication via both PROFINET and PROFIBUS DP.
- Redundancy: The safety program uses internal self-tests and diverse logic processing to ensure that if a hardware or software fault occurs, the system moves to a defined “Safe State.”
- Software: Requires STEP 7 Safety Advanced (for TIA Portal) or Distributed Safety (for STEP 7 Classic) to program the failsafe blocks (,F-FCs).
Common Maintenance Tasks
- MMC Handling: Never remove the Micro Memory Card (MMC) while the CPU is powered on. This can corrupt the safety program and trigger a “STOP” mode.
- Safety Password: Ensure you have the password for the Safety Program. Without it, you cannot download changes to the failsafe blocks, even if you have the standard project.
- Firmware Updates: Ensure the CPU is running the latest firmware (V3.2.x) to maintain compatibility with newer PROFINET devices.
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