If you are looking for a digital servo amplifier, SERVOSTAR-603-AS is one of those that you can consider. Kollmorgen is the company behind this product, as well as the entire Servostar 600 series, which has numerous different amplifiers. They are all reliable, but here is what makes this unit specific.
It weighs only eight pounds, and it measures 275 x 265 x 70 mm if you exclude connectors. You should only use it as a built-in component of electrical equipment and machines. The DC bus link voltage for SERVOSTAR-603 goes up to 675V. It is vital to note that you can only use the unit with servo motors that have the same or bigger voltage or you risk damaging both the amplifier and the motor.
If you are wondering about the difference between this and the standard SERVOSTAR-603, it lies in one relatively important feature. This model has the -AS- restart lock function whose goal is to keep the system from restarting.
You can only activate the feature when the motor stops rotating, and you can only control the function with a CNC. The company indicates you shouldn’t use the function if you stopped the drive for cleaning or repair or it hasn’t worked for a long time.
The -AS- is not a safety feature, and the main contactor serves in situations where you need to stop the unit urgently. Regardless, it is a useful addition that makes this amplifier worth considering, especially if you also take other features into account.
The LED display allows you to monitor various functions and parameters, as well as identify any errors should they occur. It is a nice addition as it makes it simple to solve problems in the work of the unit, even though they are rare.
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