Dangerous movements! Danger to persons
from falling or dropping axes!
The standard motor holding brake provided or an external motor holding
brake controlled directly by the drive controller are not sufficient on their own
to guarantee personal safety!
Personal safety must be achieved using higher-level, fail-safe measures:
● Block off danger zones with safety fences or safety guards
● Additionally secure vertical axes against falling or dropping after switch‐
ing off the motor power by, for example,
– mechanically securing the vertical axes
– adding external braking/arrester/clamping mechanisms
– ensuring sufficient equilibration of the vertical axes
Function
The connection point X6 contains the connections for
● monitoring the motor temperature
● controlling the motor holding brake
Via an integrated contact element (BR), the power section
switches the voltage of the external 24V supply (connection X13
at HCS02 power sections) to the output for controlling the motor
holding brake.
The integrated 24V control voltage supply of power sections of
the order code ‑NxxV is not available at the connection point X6
(see figure below "Block Diagram of Internal Control Voltage").
Therefore, an external 24V supply is required for controlling the
motor holding brake.
BR Circuit for brake control
LT Power section, e.g. HCS02
ST Control section, e.g. CSB01
int. SMPS For types HCS0x.1E-Wxxxx-NxxV: Internal switched-mode power
supply
ZK DC bus
Fig.5-8: Block Diagram of Internal Control Voltage
DOK-INDRV*-HCS02******-IT01-EN-P
Rexroth IndraDrive Drive Controllers Power Sections HCS02
Bosch Rexroth AG 35/67
Instructions for Use
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