The SIMATIC CPU 317T-2 DP and 317TF-2 DP are high-performance controllers engineered for sophisticated industrial automation, integrating advanced process and motion control capabilities. Specifically designed for series machines, specialized equipment, and complex cross-domain factory automation, these CPUs enable precise synchronous motion, including coupling to virtual or real master equipment and complex path interpolation.
Whether managing three-dimensional path interpolation with diverse kinematics or implementing fail-safe operations via the TF model, these controllers serve as the centralized intelligence for production lines. By utilizing PROFIBUS DP for distributed intelligence and isochronous drive connections, they ensure seamless coordination between control tasks and motion execution within a single S7 user program.
| Model Series | SIMATIC S7-300 (317T-2 DP / 317TF-2 DP) | Control Type | Integrated Process & Motion Control |
|---|---|---|---|
| Interface | PROFIBUS DP / PROFIBUS DP (DRIVE) | Memory Req. | SIMATIC Micro memory card (8 MB) |
| Motion Capability | 3D Path Interpolation & Sync Motion | Safety Feature | Fail-safe options available (317TF model) |
| I/O Integration | Centralized & Distributed I/O support | Programming | S7 User Program (Unified Control/Motion) |
| Special Functions | CAM Control & Base Point Acquisition | Required Packages | S7-Technology / S7 Distributed Safety |
The 317TF-2 DP model integrates full fail-safe functionality, ensuring maximum operational safety in hazardous industrial environments.
Utilizes PROFIBUS DP (DRIVE) for precise isochronous connections, eliminating jitter in drive component synchronization.
Supports 3D path interpolation and synchronous motion for complex geometry and high-precision machinery.
Control and motion tasks share the same S7 user program, reducing development time and software complexity.
Integrated I/O designed for high-speed functions like CAM control and reference point acquisition for rapid response.
Flexible deployment as a centralized controller managing both centralized and distributed I/O via PROFIBUS.
Seamless coupling to virtual or real master equipment for high-precision synchronization.
Management of 3D paths and complex kinematics for specialized machinery.
Distributed safety management via the S7 Distributed Safety package for fail-safe tasks.
Optimized PROFIBUS DP communication for distributed intelligence across factory floors.
Efficient handling of both centralized and distributed I/O for large-scale production lines.
Integrated S7 user program blending standard logic with advanced motion control.
| Performance Metric | Standard PLC | SIMATIC 317T/TF |
|---|---|---|
| Motion Integration | External Module Req. | Fully Integrated |
| Programming Time | Dual-Language Setup | Unified S7 Program |
| Synchronization | Standard Cycle | Isochronous Real-time |
| Safety Compliance | Additional Hardware | Integrated Fail-Safe (TF) |
| Operational ROI | Moderate | High (Reduced Downtime) |
The primary difference is that the 317TF-2 DP is a Fail-safe CPU, incorporating safety-related functions for critical industrial environments, whereas the 317T-2 DP is a standard motion control CPU.
Yes, the S7-Technology option package is required to implement the motion control functionalities within the S7 user program.
Both models require a SIMATIC Micro memory card with a minimum capacity of 8 MB to function.
The DRIVE interface enables the isochronous connection of drive components, ensuring that motion tasks are executed in perfect synchronization across the network.
Yes, it supports three-dimensional path interpolation with different kinematics, making it ideal for complex CNC-like movements in automation.
Absolutely. It is designed to act as a centralized controller for production lines utilizing both centralized and distributed I/O via PROFIBUS DP.