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- ZH
- Last added
- 2026-09-29
Featured XJ Group manuals
XJ Group WDR-820 Series Microcomputer Capacitor Protection & Measurement Device User Manual
The WDR-820 series microcomputer capacitor protection and measurement device is designed for parallel capacitor banks operating at 66 kV or lower. It features a 32‑bit floating‑point DSP, high‑precision 16‑bit A/D conversion, graphic LCD, and a real‑time multitasking OS, offering integrated protection and measurement functions for harsh environments.
The manual covers technical specifications, hardware description, protection principles, wiring diagrams, human‑machine interface, debugging procedures, commissioning notes, setting adjustments, communication protocols (IEC‑60870‑5‑103 or MODBUS), storage, warranty, ordering information, and detailed appendices with wiring and circuit diagrams. This manual is written in Chinese.
Covers: Device Overview · Technical Specifications · Hardware Description · Protection Principles · Setting Range and Alarm Information · External Wiring
Latest XJ Group manuals
XJ Group WDR-820 Series Microcomputer Capacitor Protection & Measurement Device User Manual
User Manual 62 pages · 1.6 MB · ZHThe XJ Group WDR-820 series microcomputer capacitor protection and measurement device manual provides specifications, installation, operation, and…
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 XJ Group manuals
What communication protocols does the device support?
The device can use IEC‑60870‑5‑103 or MODBUS protocols with dual RS‑485 interfaces.
From: XJ Group WDR-820 Series Microcomputer Capacitor Protection & Measurement Device User Manual
How many recent event reports can be stored?
The device can store at least 100 recent event and operation reports.
From: XJ Group WDR-820 Series Microcomputer Capacitor Protection & Measurement Device User Manual