5.2.6 X6, Motor Temperature Monitoring and Motor Holding Brake
WARNING
Dangerous movements! Danger to persons from falling or dropping ax‐
es!
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 guar‐
antee 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 switching
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 to the output for controlling
the motor holding brake.
View Connec‐
tion
Signal name Function
1 MotTemp+ Input motor temperature eval‐
uation
2 MotTemp-
3 +24VBr Output for controlling the mo‐
tor holding brake
4 0VBr
Spring terminal (connector) Unit Min. Max.
Connection cable
Stranded wire
mm
2
0,25 1,5
AWG 24 16
Stripped length mm 10
Current carrying capacity outputs X6:
HCS01.1 A - 1,25
Time constant of load ms - 50
Number of switching actions at maximum time
constant of load
250.000
Switching frequency Hz - 0,5
Instruction Manual | Rexroth IndraDrive Electric Drives
and Controls
| Bosch Rexroth AG 25/65
Instructions for Use
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