6.2 Connecting the electric supply
6.2.1 Safety
Danger! Electric voltage! Operations in the vi‐
cinity of live parts are extremely dangerous.
Any work required on the electric system may be carried out
only by skilled electricians. Tools for electricians (VDE tools)
are absolutely necessary.
Prior to commencing work:
1. Isolate (even auxiliary circuits).
2. Secure against reactivation.
3. Ensure de-energization.
4. Ground and short-circuit.
5. Cover or shield any adjacent live parts.
High electric voltage! Danger to life, risk of in‐
jury by electric shock.
While the rotor is rotating, motors with permanent magnet ex‐
citation create a voltage > 60 V at the motor connections.
Any work may only be carried out while the motor is at
standstill.
Never connect or disconnect plug connectors under load!
Never touch the connection points of electro‐
static sensitive devices!
Installed components (e.g., KTY84, encoder) may contain
electrostatic sensitive devices (ESD).
Observe the ESD safety measures.
6.2.2 Connectors
Observe for Device connector:
● Use ready-made cables of Rexroth, see documentation
DOK-CONNEC-CABLE*INDRV-AU··-··-P, "Rexroth Connection Cables
IndraDrive and IndraDyn".
● Observe the circuit diagrams specified in the Project Planning Manual,
see DOK-MOTOR*-MSK********-PR··-··-P, "Synchronous Servomo‐
tors MSK".
● The connections must be established such that a permanent safe elec‐
trical connection is ensured.
● Establish a safe protective conductor connection.
● Do only use plug connectors free from dirt, foreign bodies and humidity.
22/57
Assembly
MSK Synchronous Servomotors
Bosch Rexroth AG R911325169_Edition 03
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