ST300
Here you will find answers to frequently asked questions the Sourcetronic team regularly receives regarding the ST300 frequency inverters. The following tips and guidance will help you commission your ST300 inverter safely and efficiently.
Modern frequency inverters offer a wide range of features and configuration options. A targeted approach saves time and helps prevent errors. The following instructions outline the step-by-step procedure for commissioning. With the ST Drive Bundle and the ST APP Bundle, the process becomes even easier. Using Plug & Play, you can import complete parameter lists and configure your system with ease. Proper parameterization supports the reliable operation of the entire system.
This FAQ list is updated regularly, and we welcome any suggestions or additions.
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ST300 | Whistling Noises from the Motor – What Can I Do?
Wenn der Motor bei Verwendung eines Frequenzumrichters pfeifende Geräusche von sich gibt oder zu Vibrationen neigt, kann dies mit der Trägerfrequenz des […]
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ST300 | External Potentiometer – How to Connect It and Which Type Is Compatible?
For connection as an external potentiometer to terminals AI1, +10V and GND, all potentiometers with a resistance of 1kΩ to 5kΩ and […]
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ST300 | Digital Inputs – How and What Can Be Connected?
The digital inputs of the ST300 frequency inverter allow control via sensors, switches, PLCs, etc. Terminals S1 to S4 as well as […]
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ST300 | Forward, Reverse, Stop via Switches or Pushbuttons
The ST300 frequency inverters have terminals S1 – S4, HDIA, which allow switching between forward and reverse operation via control signals or […]
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ST300 | Multiple Motors on One Frequency Inverter
The following rules must be observed when operating multiple motors on a single frequency inverter: • The motors must have identical specifications […]
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ST300 | Adjusting Acceleration and Deceleration Ramps
The acceleration and deceleration ramps on the ST300 can be set independently. A longer acceleration time reduces the inrush current and can […]
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ST300 | Limiting Inrush Current (e.g. for Fan Motors)
To keep the inrush current lower for loads that require torque strongly dependent on frequency, various U/f curves are available. The different […]
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ST300 | Single-phase Motor
Frequency inverters are designed for operation with a three-phase motor. These can be asynchronous or synchronous motors. They load the three phases […]
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ST300 | Initial commissioning – What do I need to consider (motor data)?
Before commissioning a frequency inverter, the factory settings must be loaded via the menu. Afterwards, the rated motor data of the connected […]