WhatsApp:+86 18150087953 WeChat: +86 18150087953 
Email：
Application Scenarios:In a large automotive assembly plant, a legacy Siemens S7-300 based conveyor control system suffered a critical CPU failure. With the original Siemens model facing long lead times, engineers opted for a direct hardware replacement with the VIPA 315-2AG12. The module’s mechanical and electrical compatibility allowed it to be mounted directly into the existing S7-300 rack. Using the standard Siemens STEP 7 environment, the existing program was seamlessly downloaded to the 315-2AG12. The integrated Profibus-DP master interface immediately re-established communication with the distributed ET200 I/O stations and variable frequency drives, restoring full production line operation within hours instead of weeks, demonstrating its critical role as a drop-in upgrade solution.
Parameter:
| Main Parameters | Value/Description |
|---|---|
| Product Model | 315-2AG12 (CPU 315SB/DPM) |
| Manufacturer | VIPA GmbH (now part of Yaskawa) |
| Product Category | PLC Central Processing Unit (CPU) |
| System Series | System 300S (SPEED7 Technology) |
| Supply Voltage | 24 V DC (20.4 – 28.8 V DC) |
| Work Memory | 1 MB (expandable to 2 MB via MMC) |
| Bit Instruction Time | 0.01 µs (typical) |
| Integrated Interfaces | 1x MPI/Profibus-DP (Master/Slave), 1x PtP RS485 |
| Profibus-DP Rate | Up to 12 Mbit/s, supports up to 125 slaves |
| PtP Protocol | ASCII, 3964(R), RK512 |
| Real-Time Clock | Yes, with battery backup |
| Operating Temperature | 0 °C to +60 °C |
| Compatibility | Hardware/Software compatible with Siemens S7-300 |
Technical Principles and Innovative Values:
- Innovation Point 1: SPEED7 Processor Architecture: At the heart of the 315-2AG12 is VIPA’s proprietary SPEED7 technology, which delivers exceptionally fast instruction execution times. With a bit operation time of just 0.01 µs, it significantly outperforms many standard microprocessors used in PLCs of its class. This high-speed processing is critical for applications requiring short scan times and deterministic control, such as high-speed counting or complex motion control algorithms.
- Innovation Point 2: Dual-Communication Flexibility: The module features a versatile dual-interface design. The primary combined MPI/DP port allows it to function as a Profibus-DP master for building distributed I/O networks, while the integrated PtP (Point-to-Point) RS485 interface provides a dedicated channel for connecting to barcode scanners, weigh scales, or legacy serial devices using protocols like ASCII or 3964R. This eliminates the need for an additional communication module in many applications.
- Innovation Point 3: Siemens S7-300 Ecosystem Compatibility: A key differentiator is its deep compatibility with the Siemens S7-300 platform. The 315-2AG12 uses the same physical dimensions, mounting (DIN rail), and bus connector pinout. Crucially, it can be programmed and configured using Siemens STEP 7 (Classic/TIA Portal with HSP), allowing engineers to leverage existing code libraries and engineering skills, making it a low-risk alternative or upgrade path.
