S, SX series
External Commutation (Sine), Analog, Panel Mount
The S and SX series are the only analog ADVANCED Motion Controls drives that have sinusoidal commutation (All of our digital drives have sinusoidal commutation i.e. DigiFlex® Performance™). The S and SX series require two specialized command signals for operation - see the 'Overview' tab for more information about the command source.
- 120° Sine Command
- Overview
- Downloads & Support
Sine Command |
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Model Number |
Power |
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Voltage (V) |
Rated (kW) |
Current (A) |
Iso Gnd |
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AC |
DC |
Peak |
Cont. |
Peak |
Cont. |
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| {Model} | {InputVoltageACLow} - {InputVoltageACHigh} | {InputVoltageDCLow} - {InputVoltageDCHigh} | {Peak_Power} | {Cont_Power} | {Peak_Current} | {Cont_Current} | |
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Setup |
Switches and Potentiometers |
Motors |
All models compatible with - Brushless, Brushed, Linear, Rotary, Voice Coil, Inductive Load. |
Command Source |
Analog Sine: The S and SX series drives require two sinusoidal command signals that correspond to the motor phase currents (phases A and B respectively). Phase C is calculated in the drive. These signals control the commutation and torque to the motor. To do this, the controller (not the servo drive) must track the motor rotor position using the motor feedback. Then based on the rotor position the controller must output the correct signals to the drive such that the motor currents maintain the correct phase angle. This may sound a little complicated, but many controllers have this function built-in. Verify with your controller manufacturer that your controller is compatible. One advantage of this system is that it gives the user the ability to use their own commutation techniques. Note: The S and SX series are the only drives that require this type of control. All other ADVANCED Motion Controls servo drives track the motor rotor position and commutation internally making all commutation calculations hidden to the user. |
Feedback |
None - All feedback devices must return to the controller, not the servo drive. These drives do not process feedback from the motor. |
Power |
DC Voltage Range - 20 - 400 VDC AC Voltage Range - 45 - 270 VAC Isolated Ground - Optical isolation between the power ground and signal ground. If the system power is derived from a floating source (such as AC power from the wall) then either the power supply needs an isolation transformer or the servo drive needs built in isolation. Isolation with proper grounding reduces shock hazards and drive failures by keeping the signal ground from floating to dangerous potentials. |
Additional Options |
Additional Options are available for some models - see individual datasheet in the Part Numbering Information section. If the requested option is not in our current product offering it can be made available with sufficient volume. Contact Us for availability. Indicate the option at the end of the part number. Ex S16A8-QD. -QD (Quick Disconnect) - Plug style connectors on the motor and power lines as opposed to screw-in connectors. |
