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Connection
5.1 Safety notes for electrical connections
Electrical shock hazard
Every movement of the rotor compared with the stator and vice versa induces a voltage at
the stator power connections.
When the motor is switched on, the stator power connections are also at a specific voltage.
If you use defective cable ports, you could suffer an electric shock.
• Only mount and remove the electrical components if you are qualified to do so.
• Any work carried out at the motor must always be done with the system in a no-voltage
• Do not touch the cable ports. Correctly connect the stator power connections, or insulate
• Do not disconnect the power connections when the stator is under voltage (live).
• Only use the specific power cables intended for the purpose.
• First connect the protective conductor (PE).
• Connect the cable shield through a wide area.
• First connect the power cable to the stator before you connect the power cable to the
• First disconnect the connection to the inverter before you disconnect the power
• Disconnect the protective conductor PE last.
NOTICE
Destruction of the motor
Removing the connection block for the motor feeder cables at the motor can destroy the
motor.
• Never remove the connection block on the motor for the motor feeder cables (power and
The cables for the power connection are brought out at the front of the stator (B flange).
The open cable ends must be connected in a terminal box, which must be provided by the
machine manufacturer. Sufficient installation space must be provided in the axes
construction. Refer to the Chapter "Shielding, grounding and equipotential bonding".
Standard MOTION–CONNECT cables, which are available with the standard range of
accessories for the drive system, can be used from this EMC-compliant terminal box
(minimum degree of protection: IP54).
68
WARNING
condition.
them properly.
inverter.
connection to the stator.
signal cables).
Naturally cooled 1FW6 built-in torque motors
Operating Instructions, 07/2017, 6SN1197-0AF02-0BP2
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