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Rev. 1.1
0004102014
SS03/05/10-S/Q/C Hardware Manual
400-820-9661
2.5 Connecting the Power Supply
The SS drives are shipped with a power cable, 2 meters long. Connect the red wire to the positive
of the power supply. Connect the black wire to the negative of the power supply. Plug the cable
into the power connector of the drive.
The red wire is connected to the V+ of the drive. The black wire is connected to the V- of the drive.
Do not reverse them. Connect the chassis to the earth ground through the grounding screws.
Power Connector
The section below entitled “Choosing a Power Supply” will help you to select a right power supply.
2.6 Choosing A Power Supply
The main considerations when choosing a power supply are the voltage and current requirements
of the application.
2.6.1 Voltage
The SS step-servo drive and motor is designed to give optimum performance between 24~48
Volts DC. Choosing the voltage depends on the performance needed and diver/motor heating that
acceptable and/or does not cause a drive over-temperature. Higher voltage will give higher speed
performance,but will cause the drive to produce higher temperatures. Using power supplies with
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cycle.
The SS extended range of operation can be as low as 18VDC minimum to as high as 80VDC
maximum. When operation below 18VDC, the SS series will work unstable. The supply input
cannot go blow 18VDC for reliable operation, otherwise under voltage alarm will be triggered. SS
drive will stop working when this alarm is triggered.
If a regulated power supply is used,and that is near the driver maximum voltage of 80VDC ,a
voltage clamp may be required to prevent the voltage over 80VDC which will occurs a over-
voltage fault. When using an unregulated power supply, make sure the no-load voltage of the
supply does not exceed the maximum input voltage 80VDC.
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