Shanghai Lanyi MR9270S Smart Signal Generator Operation Manual

About this manual

The Smart MR9270S signal generator, produced by Shanghai Lanyi Electronics, is a compact instrument featuring a high‑speed ARM processor, a color TFT display and multiple input/output options (current, voltage, frequency, millivolt, resistance, thermocouple, RTD). It supports programmable output, preset values, signal conversion, real‑time curve display and Modbus RTU communication.

The document guides users through basic operation, programming output, preset configuration, signal conversion, system settings, Modbus master/slave functions, paperless recorder usage, and routine maintenance. Detailed procedures for setting parameters, recording data, exporting logs and battery charging are included. This manual is written in Chinese.

What's inside

• Instrument Introduction
• Technical Parameters
• Basic Operation
• Signal Description
• Programming Output
• Preset Values
• Signal Conversion
• Real‑time Curve
• System Settings
• Modbus RTU

Specifications

Frequently asked questions

How do I set the output current value?

Press and hold the OUT key for two seconds to open the output setting window, then use the up/down arrows to adjust the current value and confirm to save.

What is the correct way to charge the instrument’s battery?

Connect the USB charger; the instrument charges at 1 A while the main screen is on and at 0.5 A when the screen is off.