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- Last added
- 2026-09-29
Featured Jiaxing Songmao Electronics manuals
Jiaxing Songmao SM400 PLC Alarm Device User Manual
The SM400 PLC alarm device integrates an ARM processor and a GSM module to provide SMS, telephone, or combined alerts for industrial monitoring and data acquisition. It supports eight digital inputs, two analog inputs (4‑20 mA), and three relay outputs, and can be remotely controlled via mobile SMS.
The manual covers hardware description, port functions, wiring diagrams, software configuration steps, alarm SMS settings, and warranty information, helping users install, configure, and maintain the device in harsh industrial environments. This manual is written in Chinese.
Covers: 产品简介 · 产品性能 · 主要参数 · 实物图及指示灯功能 · 端口介绍 · 配置软件功能介绍及操作步骤
Latest Jiaxing Songmao Electronics manuals
Jiaxing Songmao SM400 PLC Alarm Device User Manual
User Manual 16 pages · 1.7 MB · ZHUser manual for the SM400 PLC alarm device, detailing hardware, configuration software, and service information.
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 Jiaxing Songmao Electronics manuals
How can the SM400 alarm be triggered?
The device can send SMS, make a telephone call, or both when an alarm condition occurs, using its built‑in GSM module.
What power supply voltage does the SM400 require?
It operates from a DC power source between 9 V and 24 V.