Short circuit protection X6.3 against X6.4 (output for controlling the motor holding
brake)
Overload protection X6.3 against X6.4 (output for controlling the motor holding
brake)
Fig.5-8: Function, Pin Assignment
Notes on Installation
Make sure the power supply for the motor holding brake at the motor
is sufficient. You have to take into account that voltage drops on the
supply line. Use connection lines with the highest possible cross
section of the single strands.
An external contact element is required, if motor holding brakes with
higher currents than the allowed current load are to be supplied at
X6.
Connection Diagram
Fig.5-9: Connection of Motor Temperature Monitoring and Motor Holding Brake
5.2.7 X9, Integrated/External Braking Resistor
WARNING
Lethal electric shock by live parts with more than 50 V!
Exclusively operate the device
● with plugged on connectors (even if there haven't been any lines connec‐
ted to the connectors) and
● with connected equipment grounding conductor!
Function
X9 is used to connect the integrated or external barking resistor HLR. By means
of an internal switch, the braking resistor is connected to the DC bus.
26/65 Bosch Rexroth AG | Electric Drives
and Controls
Rexroth IndraDrive | Instruction Manual
Instructions for Use
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