YW2200 Intelligent Electricity Meter is an intelligent three-phase comprehensive electricity parameter monitoring instrument with programmable function, automatic measurement, LCD display, electric energy accumulation, digital communication and other functions. It converts three-phase alternating current quantity into standardized digital quantity in a linear relationship. It integrates digitalization, intelligence, and networking, so that the measurement process and data analysis processing are automated, reducing human errors, and can completely replace electrical quantity transmitters, electric meters, digital instruments, data acquisition instruments and other instruments. It is an ideal product for building an electrical automation system. Its compact structure, advanced circuit, and powerful measurement function are a revolutionary design for traditional instruments.
The YW2200 is an intelligent three‑phase power measurement and control instrument that can measure voltage, current, power, power factor, energy and harmonic content. It supports modular expansion with up to four optional modules for DC‑4‑20 mA, switch, pulse and harmonic analysis functions, and communicates via RS‑485 using Modbus‑RTU.
The manual describes installation requirements, wiring diagrams, key operation keys for displaying various parameters, programming procedures for setting ratios, addresses and communication settings, as well as technical specifications such as measurement ranges, accuracies and environmental limits. This manual is written in Chinese.
| Line voltage measurement range | 30~600 V |
|---|---|
| Phase voltage measurement range | 20~400 V |
| Current measurement range | 0~6 A |
| Single‑phase power range | 0~4000 W |
| Total power range | 0~12000 W |
| Frequency measurement range | 50/60 Hz |
| Power factor accuracy | ±0.5 % |
| Communication protocol | Modbus‑RTU over RS‑485 |
| Supported baud rates | 1200/2400/4800/9600/19200 |
| Operating temperature range | -15 °C to 55 °C |
Press and hold the “PROG” key for 3 seconds to enter programming mode.
In the rst mode, press the key once to display “ALL NO”, then press again to confirm “YES”, which resets all energy data to zero.
Select the bps mode, press the key to cycle through 1200, 2400, 4800, 9600 and 19200, then confirm the desired rate.
The instrument operates correctly between –15 °C and 55 °C.