Key facts
- Manuals
- 2
- Languages
- JA · ZH
- Last added
- 2012-03-01
Featured MICROMASTER manuals

MICROMASTER 420 Frequency Transformer User Manual
The MICROMASTER 420 is a frequency transformer designed for industrial applications. The manual describes its features, control panels, and compatible communication protocols such as PROFIBUS, DeviceNet, CANopen, RS485 and RS232.
Technical specifications, dimensions, wiring diagrams, and safety information are included. The document also lists performance data such as input voltage ranges, output current limits, frequency range, power factor, and operating temperature. This manual is written in Japanese.
Covers: Technical specifications · Dimensions and weight · Control panel description · Wiring and connections · Communication interfaces · Operating temperature and safety

Siemens MicroMaster 430 Variable Frequency Drive User Manual
This manual introduces the Siemens MicroMaster 430 industrial variable frequency drive, a dedicated solution for fan and pump applications as well as building HVAC. It covers the drive’s technical specifications, control methods, safety functions and optional accessories, and explains how the device improves energy efficiency and system performance.
The document also presents the SED‑2 series for building HVAC, detailing its IP‑rating, communication options and software features. Practical information on installation, motor start‑stop control, PID integration and fault detection is provided to help engineers and technicians configure and maintain the drives in real‑world installations. This manual is written in Chinese.
Covers: Product Introduction · Technical Data · Control Methods · Software Features · Optional Accessories · Motor Start‑Stop Control
Latest MICROMASTER manuals
MICROMASTER 420 Frequency Transformer User Manual
User Manual 22 pages · 986 KB · JAThe MICROMASTER 420 frequency transformer user manual provides specifications, installation, wiring and operation details.
Siemens MicroMaster 430 Variable Frequency Drive User Manual
User Manual 28 pages · 1.9 MB · ZHSiemens MicroMaster 430 VFD user manual describing technical data, control features, optional accessories and energy‑saving operation for fan and pump loads.
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 MICROMASTER manuals
What is the power range of the MicroMaster 430 drive?
The MicroMaster 430 supports a power range from 7.5 kW up to 250 kW.
From: Siemens MicroMaster 430 Variable Frequency Drive User Manual
How many programmable digital inputs does the drive have?
It provides six programmable digital inputs with isolation and PNP/NPN wiring.
From: Siemens MicroMaster 430 Variable Frequency Drive User Manual
