Installing the 24V supply
Notes on installation
●
The 24 V supply of the Rexroth IndraDrive ML drive system components
should in principle be installed in a star layout. This means it is necessa‐
ry to run separate supply lines for each group of drive controllers or
third-party components. This also applies to multiple-line arrangement in
case of supply from, e.g., a supply unit.
●
Route lines of sufficient size to reduce load-dependent voltage drops.
●
For looping through the control voltage, observe the maximum current
carrying capacity of the connection points. The maximum current carry‐
ing capacity limits the number of devices to which the control voltage
can be looped through.
A
Number of devices is limited to x components with a total cur‐
rent consumption of < 40 A (in accordance with UL: 31 A).
B
Number of devices is limited to y components with a total cur‐
rent consumption of < 40 A (in accordance with UL: 31 A).
C
Third-party component (e.g., PLC, valve, etc.)
1)
Connection to central ground point (e.g., PE earth-circuit con‐
nector)
Fig. 4-46:
Installing the 24 V supply
If you use several 24 V power supply units:
●
Output voltages of the 24 V power supply units have to be
within the allowed voltage range
●
Interconnect reference conductors 0 V of the individual 24 V
power supply units with low impedance
●
Always switch 24 V power supply units on and off synchro‐
nously
Chronological order of 24 V supply
and mains voltage
Before mains voltage or DC bus voltage is applied to the components, they
have to be supplied by the 24 V supply.
DOK-INDRV*-HXX05******-PR02-EN-P
Bosch Rexroth AG
101/407
Rexroth IndraDrive ML Drive Systems with HMU05
Combining the individual components
