Note
Note
* this additional logic supply is not connected by default.
* this additional logic supply is not connected by default.
It is not required for normal operation.
It is not required for normal operation.
For additional information, please contact
For additional information, please contact
sales
sales
@
@
synapticon
synapticon
.
.
com
com
Note
Note
SOMANET servo drives are densely packed with high-performance components. Even at idle/torque
SOMANET servo drives are densely packed with high-performance components. Even at idle/torque
off, several components such as power supplies, cause the servo drive to get warm, especially when
off, several components such as power supplies, cause the servo drive to get warm, especially when
it’s not connected to any heat conducting structure. The servo drives’ power stages and control
it’s not connected to any heat conducting structure. The servo drives’ power stages and control
algorithms were optimized for efficiency at high power output and actually make them one of the
algorithms were optimized for efficiency at high power output and actually make them one of the
most efficient servo drives available. The heat generation is not linear, which makes it actually more
most efficient servo drives available. The heat generation is not linear, which makes it actually more
noticeable at idle or low power. Please ensure by design of your mounting situation that the heat
noticeable at idle or low power. Please ensure by design of your mounting situation that the heat
interface is connected to sufficient structure to appropriately dissipate generated heat.
interface is connected to sufficient structure to appropriately dissipate generated heat.
1.3.1.2.1.1 Notes about choosing the supply voltage
The indicated minimal supply voltage of 8 V is enough to power on the servo drive for configuration but
for turning a motor, a voltage above 12 V is required.
Note
Note
Due to voltage drop from power supply to the servo drive is it not recommended to supply the servo
Due to voltage drop from power supply to the servo drive is it not recommended to supply the servo
drive at absolute minimal voltages. If your system does not run at 12 V, increasing this value slightly
drive at absolute minimal voltages. If your system does not run at 12 V, increasing this value slightly
may be necessary.
may be necessary.
1.3.1.2.1.2 Using a PELV or SELV power supply
It’s recommended to use a protected extra-low voltage supply (PELV) instead of a safety extra-low voltage
supply (SELV).
If a SELV is used, it’s possible that the isolation from the earth can be violated through our drive (e.g.
through heatsink or mechanical mountings) and the supply becomes PELV.
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