5 | Technical data
STOBER
34
05/2019 | ID 442790.01
5.1.2.7
Single-ended nominal power consumption on double-axis controllers
Operating two motors on one double-axis controller makes it possible to operate one of the motors with a continuous
current above the nominal drive controller current if the continuous current of the second connected motor is lower than
the nominal drive controller current. This enables economical combinations of double-axis controllers and motors.
The nominal output current for axis B can be determined using the following formula if the output current for axis A is
known:
Example 1
(
)
2PU(B)
2N,PU
2PU(A)
2N,PU
3
I
I
I
I
5
=
-
-
´
where
2PU( A )
2N,PU
0
I
I
£
£
Example 2
(
)
2PU(B)
2N,PU
2PU(A)
2N,PU
5
I
I
I
I
3
=
-
-
´
where
2N,PU
2PU( A )
2N,PU
I
I
1,6 I
£
£
´
160 %
I
2PU(B)
I
2PU(A)
I
2N,PU
I
2N,PU
160 %
1
2
Fig. 4: Asymmetric load on double-axis controllers
Information
Note that the available maximum currents I
2maxPU
of the axis controllers are also relative to the nominal output current I
2N,PU
for single-ended nominal power consumption.
