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where t
is the time interval between 2 voltage increase cycles in case of repetitive moves.
CYCLE
4.
to be rated for an average power
Remarks:
U
U
>
MAX
1.
If
×
I
2
PEAK
or C – the external capacitor on the motor supply
×
P
t
CR
d
2.
If
×
2
t
I
CYCLE
NOM
interval between braking cycles must be increased
WARNING!
3.5.10 Serial RS-232 connection
3.5.10.1
Serial RS-232 connection
3.5.10.2
Recommendation for wiring
a)
If you build the serial cable, you can use a 3-wire shielded cable with shield connected to BOTH ends. Do not
use the shield as GND. The ground wire must be included inside the shield, like the 232Rx and 232Tx signals
b)
Always power-off all the iPOS360X supplies before inserting/removing the RS-232 serial connector
c)
Do not rely on an earthed PC to provide the iPOS360X GND connection! The drive must be earthed through
a separate circuit. Most communication problems are caused by the lack of such connection
Technosoft 2022
R
P
=
CR
P
AV
t
2
CHOP
the braking power P
P
CR
2
U
>
CHOP
either the braking power must be reduced (see Remark 1) or t
×
2
P
CR
THE CHOPPING RESISTOR MAY HAVE HOT SURFACES DURING
OPERATION.
Figure 3.25. Serial RS-232 connection
×
P
t
>
CR
d
×
CR
2
t
I
CYCLE
NOM
×
t
d
and a peak power
CYCLE
must be reduced by increasing either t
CR
30
2
U
=
MAX
P
PEAK
R
CR
– the time to decelerate
d
iPOS360x BX-CAN Technical Reference
– the time
CYCLE
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