20
Rev. 1.0
7/31/2019
SSDC-R/C/IP Hardware Manual
2.8 Choosing a Power Supply
The main considerations when choosing a power supply are the voltage and current requirements for the application.
2.8.1 Voltage
The SSDC drive is designed to give optimum performance between 24 and 48 Volts DC. Choosing the voltage depends on
the performance needed and motor/drive heating that is acceptable and/or does not cause a drive over-temperature. Higher
voltages will give higher speed performance but will cause the SSDC driver to produce higher temperatures. Using power
supplies with voltage outputs that are near the drive maximum may significantly reduce the operational duty-cycle.
SSDC03
For the SSDC03 drive, the extended range of operation can be as low as 11 VDC minimum to as high as 53 VDC maximum.
When operating below 11 VDC, the power supply input may require larger capacitance to prevent under-voltage and internal-
supply alarms. Current spikes may make supply readings erratic. The supply input cannot go below 11 VDC for reliable
operation. This will not fault the drive. Absolute maximum power supply input is 53 VDC at which point an over-voltage
alarm and fault will occur. When using a power supply that is regulated and is near the drive maximum voltage of 53 VDC, a
voltage clamp may be required to prevent over-voltage when regeneration occurs. When using an unregulated power supply,
make sure the no-load voltage of the supply does not exceed the drive’s maximum input voltage of 53 VDC.
SSDC06/10
For the SSDC06/10 drive, the extended range of operation can be as low as 18 VDC minimum to as high as 75 VDC
maximum. When operating below 18 VDC, the power supply input may require larger capacitance to prevent under-voltage
and internal-supply alarms. Current spikes may make supply readings erratic. The supply input cannot go below 18 VDC for
reliable operation. This will not fault the drive. Absolute maximum power supply input is 75 VDC at which point an over-
voltage alarm and fault will occur. When using a power supply that is regulated and is near the drive maximum voltage of 75
VDC, a voltage clamp may be required to prevent over-voltage when regeneration occurs. When using an unregulated power
supply, make sure the no-load voltage of the supply does not exceed the drive’s maximum input voltage of 75 VDC.
Содержание Applied Motion Products StepSERVO SSDC Series
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