Key facts
- Manuals
- 3
- Languages
- ZH
- Last added
- 2012-03-14
Featured Sfere manuals
Sfere LBT Series Reactive Power Compensation Switching Unit User Manual
The Sfere LBT series reactive power compensation switching unit provides dynamic switching for reactive power compensation and harmonic mitigation. It uses high‑reliability bidirectional thyristors to achieve zero‑voltage insertion and zero‑current removal, with a fast response time of ≤20 ms.
The manual includes product introduction, naming meaning, technical parameters, mechanical dimensions, wiring instructions, safety precautions, warranty information, and contact details to help users install, operate, and maintain the unit safely and efficiently. This manual is written in Chinese.
Covers: Product Introduction · Naming Meaning · Technical Parameters · Installation Dimensions · Wiring Method · Precautions
Sfere S Series Loop Display Measurement & Control Instrument User Manual
This manual introduces the S series loop display measurement and control instrument designed for power systems, industrial automation, and smart building applications. It explains the high‑precision measurement of four voltage or current channels, LED display, programmable keys, and optional RS‑485 communication with 4 switch inputs.
The document covers technical parameters, installation dimensions, wiring instructions, programming procedures using four keypad buttons, and detailed communication settings (MODBUS‑RTU over RS‑485). It also provides troubleshooting information, command formats, and CRC calculation methods. This manual is written in Chinese.
Covers: Overview · Naming Significance · Technical Specifications · Function Description · Installation and Wiring · Programming and Operation
Latest Sfere manuals
Sfere LBT Series Reactive Power Compensation Switching Unit User Manual
User Manual 4 pages · 177 KB · ZHUser manual for Sfere LBT series reactive power compensation switching unit, covering specifications, installation, wiring, and safety.
Sfere S Series Loop Display Measurement & Control Instrument User Manual
User Manual 5 pages · 306 KB · ZHThe Sfere S series loop display measurement and control instrument manual describes overview, technical specs, installation, wiring, programming, and…
sfere PD194E-9S4G multi-function electric Instrument Table user manual
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 Sfere manuals
What power supply is required for the LBT unit?
It requires an AC220 V ± 20 % supply at 50 Hz ± 10 %.
From: Sfere LBT Series Reactive Power Compensation Switching Unit User Manual
How fast does the unit respond to a switching command?
The response time is 20 ms or less.
From: Sfere LBT Series Reactive Power Compensation Switching Unit User Manual
Which communication protocol is supported by the S series instrument?
It supports RS‑485 serial communication using the MODBUS‑RTU protocol.
From: Sfere S Series Loop Display Measurement & Control Instrument User Manual
How do you enter programming mode on the instrument?
Press the programming key for more than 5 seconds to switch to programming mode.
From: Sfere S Series Loop Display Measurement & Control Instrument User Manual