11.6.8 Connection method
The following chapters describe the connection technology of STOBER synchronous servo motors in the
standard version on STOBER drive controllers. You can find further information relating to the drive con-
troller type that was specified in your order in the connection plan that is delivered with every synchronous
servo motor.
11.6.8.1 Connection of the motor housing to the grounding conductor system
Connect the motor housing to the grounding conductor system of the machine in order to prevent personal
injury and faulty triggering of residual current protective devices.
All attachment parts required for the connection of the grounding conductor to the motor housing are deliv-
ered with the motor. The grounding screw of the motor is identified with the symbol
in accordance with
IEC 60417-DB. The cross-section of the grounding conductor has to be at least as large as the cross-section
of the lines in the power connection.
11.6.8.2 Plug connectors (One Cable Solution)
In the One Cable Solution design, the power and encoder lines are connected using a shared plug connector.
For motors with forced ventilation, avoid collisions between the motor connection cables and the plug con-
nector of the forced ventilation unit. In the event of a collision, turn the motor plug connectors accordingly.
Details regarding the position of the plug connector for the forced ventilation unit can be found in the "Di-
mensional drawings" chapter.
The figures represent the position of the plug connectors upon delivery.
Turning ranges of plug connectors (EZ2 – EZ3 motors)
A Attachment or output side of the motor B Rear side of the motor
Turning ranges of plug connectors (EZ4 – EZ7 motors)
A Attachment or output side of the motor B Rear side of the motor
11 EZsynchronous servo motors 11.6 Product description
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