Hardware
OD700 Servodrives & Motors
The new line of OSAI OPENdrive OD700 servo-drives perfectly matches the
new OPENcontrol CNC family, improving system dynamic performances
and simplifying configurability and commissioning. OD700 are provided
with EtherCAT fieldbus, they have compact mechanical dimensions and
they support a wide range of operating currents and power supply voltages.
OD700 are the perfect solution for machines dedicated to metal sheet
cutting (Plasma, Oxy-fuel, Water-jet, Laser cutting), wood and marble
working and for milling machines. There are six available sizes, in four
different mechanical formats, having nominal currents of 3A, 4,5A, 6A,
12A, 18A and 36A.
The capability to supply a high peak current, which can reach the
300% of the nominal current for some specific sizes, allows costs reduction
and dimensions optimization. High internal sampling rate, advanced motor-
management algorithms and the high speed of the communication bus allow
managing high dynamics machines, while the possibility to connect an auxiliary
transducer improves mechanical system precision. The automatic recognition of
the connected motors and the configuration by “ODM”, a powerful integrated
browser able to simultaneously manage all connected drives and motors,
facilitate all the start-up operations.
ODM allows both the visualization and the modification of motors and drives
parameters and the diagnostic analysis of the drive through several graphical
pages easy to use. A complete multi-trace oscilloscope allows performing
a detailed analysis of the dynamic behaviour of the axes, obtaining the best
performances of the machine.
All models are equipped with the integrated security function STO (Safe Torque
Off) to cut the power supplied by the motors and allow the safe intervention of
the operator without cutting power to the machine tool. OSAI offers two series
of high-power sinusoidal brushless servomotors, with high inertia and high dynamics.
Both motor series can be provided with 5, 10, 15, 20 meter long cables for motor power,
encoder and brake.
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Models belonging to this series, characterized by compact dimensions, all with a maximum
speed of 5000 rpm and equipped with 3000 ppr incremental encoder and optionally with
a brake, have different characteristics according to their operating voltage, 230V or
400V, and to the stall torque ranging from 0,32 Nm to 15,9 Nm.
OS3 Series Servomotors
According to the OS3 model, the available stall torques range from 0,2 Nm to 66 Nm,
maximum speed of 3000, 4000 and 6000 rpm and different number of poles (4 or 8). OS3
servomotors have available a thermal sensor and can also be equipped with an optional
brake. The position transducer is a Resolver or a SinCos encoder (incremental or absolute)
with Hiperface protocol and more than 500K pulses/revolution. All servomotors have an
IP65 protection level.
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