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Required peak current
When the 24 V control voltage unit is switched on, the 24 V power supply
unit is loaded with the charging current of the capacitors of the connected
components. This charging current is electronically limited in the components.
The required peak current of the power supply unit is calculated with:
I
PeakCurrent_PowerSupplyUnit
(P
N3
The power supply unit has to provide the calculated peak current I
erSupplyUnit
Installing the 24 V supply
Installation instructions
● The 24 V supply of the ctrlX DRIVE system components should be installed
● Run lines with sufficiently dimensioned line cross sections to reduce load-
● For looping through the control voltage, observe the maximum current car-
RE 62312-B, 03.2022
Connecting the Sytronix system SvP 7030 electrically
= 1.2 × P
: power consumption of all components)
for at least one second.
Risk of damage to the braking resistor after the control
NOTICE
voltage supply was switched back on
Do not switch off the control voltage supply during oper-
ation.
In case the control voltage supply fails:
Let the braking resistor cool down before switching back
on.
Cooling time: > 5 × (W
W
R_max
resistor, P
in a star layout. This means it is necessary to run separate supply lines for
each group of drive controllers or third-party components. This, too, applies
to multiple-line arrangement in the case of supply from a supply unit, for
example.
dependent voltage drops.
rying capacity of the connection points. The maximum current carrying
capacity limits the number of devices to which the control voltage can be
looped through.
Sytronix SvP 7030 IMC
/ U
N3
N3
[kWs] ÷ P
R_max
:
absorbable
regenerative
: Braking resistor continuous power
BD
81 / 186
PeakCurrent_Pow-
[kW])
BD
power
of
braking
Bosch Rexroth AG
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