Key facts
- Manuals
- 3
- Models
- 1
- Languages
- ZH
- Last added
- 2012-04-09
LighTech models by category
Featured LighTech manuals
LIGHTECH USB-PPI User Manual
The LIGHTECH USB‑PPI is a programming cable (isolated or non‑isolated) used to connect a PC to Siemens PLCs and touch panels via the PPI protocol. It requires a driver installation on Windows computers before it can create a virtual COM port.
The document covers driver installation steps, how to change the assigned COM port, communication settings for PLCs, and detailed configuration for downloading programs to Siemens SMART touch screens, including recommended baud rates and troubleshooting tips. This manual is written in Chinese.
Covers: Driver Installation · Changing COM Port Number · PPI Communication Settings for PLC · USB‑PPI Communication Settings for Siemens Touchscreen · Baud Rate Recommendations
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LIGHTECH USB-PPI User Manual
User Manual 10 pages · 736 KB · ZHThis manual explains driver installation, COM port changes, and communication setup for Siemens PLCs and touch screens using the LIGHTECH USB‑PPI…
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in LighTech manuals
What should I do if communication fails at 115200 baud?
Reduce the baud rate to 57600 and retry the transfer; the lower speed improves reliability over the USB‑PPI cable.
Can the USB‑PPI cable be used with Windows 7?
The current driver does not support Windows 7; a new driver will be released on the website when available.