JTPLC DDM4A1 Display Table RS-485 Link Manual

This document is the user manual for DDM4A1 digital display module published by Jetop Technology Co., Ltd. It mainly introduces the main uses, features, and parameters of the DDM4A1 digital display module.

Brand: JTPLC
Category: Other
Document type: User Manual
Language: Chinese
Pages: 4
File format: PDF
File size: 1.5 MB
Published: 18 December, 2011
Updated: 29 September, 2023
MD5 checksum: 82D1F77AFC442A1B0BBB88D813540838
PDF: JTPLC DDM4A1 Display Table RS-485 Link Manual PDF

About this manual

This manual describes the DDM4A1 display table, its main functions and technical parameters. It explains how the device connects via RS‑485 and outlines the supported communication settings.

The document includes wiring diagrams, power‑supply requirements, LED display configuration, and step‑by‑step installation instructions. It also lists the device’s electrical specifications and environmental limits. This manual is written in Chinese.

What's inside

Product Overview
RS-485 Communication
Power Supply Requirements
LED Display Configuration
Wiring Diagram
Installation Procedure
Technical Specifications
Parameter Settings

Specifications

Power supply voltage	4.8‑5.5 V DC
RS‑485 baud rate	57.6 Kbps

Frequently asked questions

What communication speed does the DDM4A1 RS‑485 link support?

It supports a baud rate of 57.6 Kbps.

What voltage is required to power the DDM4A1 display table?

The device requires a DC supply of 4.8 V to 5.5 V.

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