Lingyuan TP505 & S7-200 Remote Connection User Manual

About this manual

The guide describes the hardware wiring between the TP505 and the S7-200 using a nine‑pin serial cable, then shows how to power both devices and configure the TP505 via its web interface (http://192.168.10.1, user root, password 1234). It also covers setting up the Tianqi IoT cloud platform, adding the device, and enabling remote data monitoring and alarm viewing.

Further sections detail installing the CloudBOX virtual‑serial software on a PC, creating a virtual COM port, configuring STEP7 communication parameters (PPI settings, modem connection, and retry limits), and finally downloading programs to the PLC. The manual ends with update notes and version information. This manual is written in Chinese.

What's inside

• Hardware Connection
• TP505 Web Configuration
• Cloud Platform Setup
• Virtual Serial Port Installation
• STEP7 Communication Settings
• PG/PC Interface Configuration
• Modem Connection Setup
• Device Refresh and Program Download

Specifications

Frequently asked questions

How do I connect the TP505 to the S7-200 PLC?

Use a nine‑pin serial cable, connect pin 3 to TP505 485A, pin 8 to TP505 485B, and the DB9 end to the S7‑200’s RS485 port.

How can I configure the TP505 via its web interface?

Open a browser, go to http://192.168.10.1, log in with user root and password 1234, then set PLC type to SERAL, serial type RS485, baud rate 9600, data bits 8, parity even, stop bit 1, and save.

How do I add a modem connection in STEP7 for the TP505?

In STEP7, add a new connection, name it TP505, choose the standard 33600 bps modem, and enable even parity (11‑bit frame).