Lethal electric shock by live parts with more
than 50 V!
Risk of burns by hot housing surfaces! Risk
of fire!
The temperature of the housing surface of an external HLR braking resistor
can rise up to 150 °C. Run the connection lines with a sufficient distance
(> 200 mm) to the housing of the HLR braking resistor to avoid damaging the
insulation of the connection lines. Outside of the control cabinet, run the con‐
nection lines of an HLR braking resistor in a metal pipe with a wall thickness
of at least 1 mm.
Do not touch hot housing surfaces! Mount the HLR braking resistor on a tem‐
perature-resistant mounting surface. Provide a sufficient distance between
the HLR braking resistor and heat-sensitive materials. Make sure the cooling
air supply is unrestricted. Take care that the environment can discharge the
dissipation heat.
Danger by insufficient installation!
Protect the lines with the appropriate fusing elements in the supply feeder.
For the connection lines at X9, use at least the cross section of the lines for
mains connection at X3. If this is impossible, select the cross section of the
connection line at X9 in accordance with the continuous power of the braking
resistor.
5.2.7 X13, Control Voltage (24V, 0V)
Function, Pin Assignment
The external 24V supply is applied via connection point X13 for
● the power section of the drive controller
● brake control via X6
● the control section of the drive controller with the optional modules, ex‐
cept for such optional modules (e.g. safety technology S1) which require
their own power supply
Control Voltage Block Diagram
The control voltage, which is supplied via the connection for 24V supply,
takes effect according to the following block diagram.
DOK-INDRV*-HCS02******-IT01-EN-P
Rexroth IndraDrive Drive Controllers Power Sections HCS02
Bosch Rexroth AG 39/67
Instructions for Use
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