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Commander S100 User Guide 113
10.7 Start-up time
The time taken from the moment of applying power to the drive, to the drive being ready to run the motor is 2.5 s
10.8 Maximum output frequency
The Commander S100 is limited to maximum output frequency of 300 Hz.
10.9 Accuracy and resolution
Frequency:
The absolute frequency accuracy depends on the accuracy of the oscillator used with the drive microprocessor. The accuracy of the oscillator is ±
0.02 %, and so the absolute frequency accuracy is ± 0.02 % of the reference, when a preset frequency is used. If an analog input is used, the
absolute accuracy is further limited by the absolute accuracy of the analog input.
The following data applies to the drive only; it does not include the performance of the source of the control signals.
Open & closed loop resolution:
Preset frequency reference: 0.1 Hz
Analog input 1: 11 bit
Analog input 2: 11 bit
Current: The resolution of the current feedback is 10 bit plus sign.
Accuracy: typical 2 %
worst case 5 %
10.10 Acoustic noise
The heatsink fan generates the majority of the sound produced by the drive. Table 10-7 gives the sound pressure level at 1 m produced by the drive
for the heatsink fan running at the maximum speed.
Table 10-7
10.11 Corrosive gasses
Concentrations of corrosive gases must not exceed the levels given in:
• EN 60721-3-3 ISO9223 Class C3
Frame Size
Acoustic Noise with Internal Fan Running
dBA
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