Key facts
- Manuals
- 1
- Languages
- ZH
- Last added
- 2026-09-28
Featured Winbest manuals
Winbest DP-Modbus Converter Application Guide for Connecting Siemens S7-300 PLC to Seven‑Segment Display
The document describes the hardware wiring of a Winbest DP‑Modbus converter, a Siemens S7‑300 PLC (CPU313C‑2DP) and a customer‑provided seven‑segment display. It includes a connection diagram, USB debugging setup, and the steps to read the display manual for required Modbus commands.
It then explains how to configure the DP‑Modbus module in STEP7: downloading and installing the D_MASTER.GSD file, setting the DP address and baud rate, mapping Modbus registers (address 1, start register 144), and writing PLC data to the display registers. The guide finishes with a sample PLC program and verification of the displayed value (4.90). This manual is written in Chinese.
Covers: Introduction and purpose · Hardware connection diagram · USB debugging interface · Modbus command testing with serial assistant · GSD file download and STEP7 setup · DP address and baud rate configuration
Latest Winbest manuals
Winbest DP-Modbus Converter Application Guide for Connecting Siemens S7-300 PLC to Seven‑Segment Display
Application Note 17 pages · 1.7 MB · ZHThis guide shows how to connect a Winbest DP‑Modbus converter between a Siemens S7‑300 PLC and a seven‑segment display using USB debugging and DP‑Modbus…
Which document do I need?
Application Note
How to use the product for one specific task, with worked examples.
Questions answered in Winbest manuals
How can I debug the DP‑Modbus module with a PC?
Connect the module’s USB port to the PC, install the USB driver, then use a serial‑assistant program or ModbusPoll to send and monitor Modbus commands.
Which GSD file is required for STEP7 configuration?
Download the D_MASTER.GSD file from Winbest’s website and copy it to the Step7\S7data\gsd\ directory.