6ES7317-6FF04-0AB0 SIEMENS

6ES7317-6FF04-0AB0 Siemens Basis unit

Brand：SIEMENS Model number：6ES7317-6FF04-0AB0

Country of origin: Germany Product weight：0.55kg

HS code：8517623990

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Product Details：

Product Dimensions：

The Siemens 6ES7317-6FF04-0AB0 is a high-performance Fail-safe Central Processing Unit (CPU) belonging to the SIMATIC S7-300 series. It is specifically engineered for plants with high requirements for processing speed and functional safety. This module integrates both standard control functions and safety-related tasks into a single unit, compliant with safety standards up to SIL 3 (IEC 61508) and PLe (ISO 13849-1).

Product Specifications

Product Type: CPU 317F-2 DP
Hardware Version: 01
Firmware Version: V3.2
Work Memory: 1.5 MB total (integrated), without battery backup.
Load Memory: Expandable via Micro Memory Card (MMC) up to 8 MB.
Processing Times: $0.025 \text{ \mu s}$ for bit operations, $0.03 \text{ \mu s}$ for word operations, $0.04 \text{ \mu s}$ for fixed-point arithmetic, and $0.16 \text{ \mu s}$ for floating-point arithmetic.
First Interface: Integrated MPI/DP interface (RS 485) supporting up to 12 Mbit/s.
Second Interface: Integrated PROFIBUS DP interface (RS 485) for distributed I/O.
I/O Address Area: 8192 bytes for input and 8192 bytes for output.
Dimensions: 80 mm width, 125 mm height, 130 mm depth.
Net Weight: Approximately 460 g.

Product Advantages

Integrated Safety: By combining standard and safety-related programs on one CPU, users save on hardware costs, reduce cabinet space, and simplify engineering workflows.
High-Speed Processing: The CPU 317F-2 DP offers significant command execution speeds, making it ideal for complex control tasks and high-speed manufacturing processes.
Extensive Memory: With 1.5 MB of work memory, it can handle large user programs and extensive data structures without performance degradation.
Distributed Intelligence: The dual PROFIBUS interfaces allow for flexible networking, enabling the CPU to act as a master or slave in large-scale distributed I/O architectures.
Diagnostic Capabilities: Integrated system diagnostics allow for rapid fault localization, reducing downtime and improving overall system availability.

Important Considerations and Precautions

Micro Memory Card (MMC): An MMC is strictly required for operation as the CPU does not have internal non-volatile load memory.
Safety Engineering: Programming safety functions requires the S7 Distributed Safety or SIMATIC Safety Integrated software package. Only authorized personnel should handle safety configurations.
Power Supply: Ensure a stable $24 \text{ VDC}$ power supply. Significant voltage fluctuations can cause the CPU to enter a STOP state or lead to hardware damage.
Environmental Limits: The module is designed for an ambient operating temperature range of $0 \text{°C}$ to $60 \text{°C}$ . Proper ventilation in the control cabinet is necessary to prevent overheating.
Electrostatic Discharge (ESD): When handling the module or inserting the MMC, follow ESD protection protocols to prevent invisible damage to internal electronic components.
Legacy Status: While highly reliable, the S7-300 series is a mature platform. For new greenfield projects, users should consider the S7-1500 series for longer lifecycle support.

Product Applications

The 6ES7317-6FF04-0AB0 is primarily used in complex industrial environments where human safety and high-speed automation intersect.

Automotive Manufacturing: Managing robotic assembly lines and press shops where safety light curtains and emergency stop circuits must be integrated with high-speed motion control.
Material Handling and Logistics: Controlling large-scale conveyor systems, automated warehouses, and elevators that require fail-safe speed monitoring and positioning.
Machine Tools: Operating high-precision CNC or specialized machinery that requires simultaneous safety monitoring and complex mathematical calculations.
Packaging Industry: Managing high-speed wrapping and bottling lines that necessitate quick response times for both production efficiency and operator protection.
Process Automation: Used in sectors like chemical or food and beverage for specific sub-processes that require functional safety certification for valves and pumps.

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