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- Last added
- 2026-09-28
Featured Dongfangxun manuals
Dongfangxun CR3422 GPRS Wireless Data Acquisition Unit User Manual
The CR3422 GPRS Wireless Data Acquisition Unit (RDTU) is a high‑performance remote data collection terminal that integrates analog signal acquisition, I/O control and GPRS communication. It supports up to 4 analog inputs, 2 digital inputs and 2 digital outputs, and can be expanded via RS‑485 bus.
This user manual provides a product overview, technical specifications, hardware and serial interface details, installation steps, parameter configuration, communication testing procedures, and a FAQ section for common issues. This manual is written in Chinese.
Covers: Product Introduction · Technical Specifications · Hardware and Serial Interface · Installation · Parameter Configuration and Testing · Indicator Lights
Latest Dongfangxun manuals
Dongfangxun CR3422 GPRS Wireless Data Acquisition Unit User Manual
User Manual 28 pages · 1.2 MB · ZHThe manual details features, specifications, installation, configuration, testing and troubleshooting of the CR3422 GPRS wireless data acquisition unit.
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 Dongfangxun manuals
How can the device be reset to factory settings?
The device can be reset externally via the Reset interface, which restores the factory configuration.
From: Dongfangxun CR3422 GPRS Wireless Data Acquisition Unit User Manual