Wiring and Connections
Once the Pluto Servo Drive is mounted, the device can be wired. Proper wiring, grounding and shielding
are essential for ensuring safe, immune and optimal servo performance of the drive.
Next pages show detailed connection recommendation as well as technical details of each interface.
Power supply wiring
Motor output wiring
Feedback connections
IO connections
Command sources
Communications
Power supply wiring
The Pluto Servo Drive has one single (12 V to 48 V ) for control and motor Supply and shunt connector
DC DC
power. An internal power supply provides circuits with appropriate voltages as well as a regulated 5 V
output voltage to supply feedback sensors.
How to dimension the power supply
The choice of a power supply is determined by voltage, current and power supply type (switching versus
linear, regulated versus unregulated...). Following are shown some guidelines to properly dimension the
Pluto power supply:
The should be the targeted for the motor. This means up to for all the Pluto versions. voltage 48 V
Make sure that the voltage rating of the power supply does not exceed the voltage rating of the
motor, otherwise it could be damaged.
The should be the one for the peak of the application. This means up to for the current 2 A PLU-1
up to for the and up to for the Make sure that the current rating /48, 10 A PLU-5/48 16 A PLU-8/48
for the power supply is at least as high as the motor.
The voltage and current range can be decreased due to the motor requirements.
There is a special consideration if the power supply will be at or near the maximum voltage
rating of the drive. If the motor will be rapidly decelerating a large inertial load from a high
speed, care has to be taken to absorb the returned energy. In this case, the should Shunt resistor
be used.
Following are shown different power supply recommendations:
Manufacturer Part
Number
Rated
Voltage
(V)
Rated
Current
(A)
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