Description
USB-PPI Cable Description
Purpose:
- Used to connect a Siemens S7-200 PLC to a computer via USB for programming, monitoring, and debugging.
- Converts USB to PPI (Point-to-Point Interface, RS485-based protocol).
- Works with STEP 7 Micro/WIN software for PLC programming.
Common Models:
- Siemens Original USB-PPI Cable
- Third-Party USB-PPI Cables (e.g., from MOXA, SMC, etc.)
Technical Specifications
| Feature | Details |
|---|---|
| Interface | USB to RS485 (PPI protocol) |
| Supported PLCs | Siemens S7-200 series (CPU 221, 222, 224, 226, etc.) |
| Baud Rate | 9.6k, 19.2k, 187.5k bps |
| Power Supply | Powered via USB (No external power needed) |
| Software Compatibility | STEP 7 Micro/WIN, TIA Portal (older versions), third-party tools |
How to Use
- Connect USB end to a PC.
- Install Drivers (for Windows 7, 10, 11).
- Plug the PPI side into the S7-200 PLC’s RS485 port.
- Open STEP 7 Micro/WIN → Set communication settings to USB-PPI.
- Check Connectivity and program the PLC.
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