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106/120 Assembly
Bosch Rexroth AG, MIT: VarioFlow plus, 3 842 549 802/2016-04
7.6 Making the electrical connection to the product
High electrical voltage!
Risk of serious injury or death from electric shock.
Disconnect the relevant system component before performing maintenance
or servicing.
Secure the system against being reactivated unintentionally.
• Choose the control and sensor elements in accordance with EN ISO 13849. When
doing so, factor in the load that is to be transported and the conveying speed.
• The motor may only be connected by qualifi ed personnel.
• Comply with VDE regulation 0100 for Germany, or corresponding regulations in the
country of use.
Motor connection
• Take account of the available supply voltage!
• Take account of the electrical power requirement shown on the motor data plate,
see Fig. 96 on page 107.
• Connect the motor up in either a wye or a delta confi guration in accordance with
the wiring diagrams, see Fig. 97 on page 107, and the wiring diagram in the
terminal box.
• The motor is fi tted with a bimetal temperature monitoring switch (potential-free
thermal contact, 230 V AC, 300 mA). Wire the motor so that it is de-energized when
the switch is triggered.
• Insert the cable so that it cannot be damaged during operation.
Checking the rotation direction of the motor
• Let the system run for no more than 2 secs., then make sure the motor is rotating
in the proper direction.
• Switch any two wires (U1, V1 or W1, see Fig. 97 on page 107) to change the
motor's direction of rotation.
Please note:
For motors that come with a fi tted plug, correct the direction of rotation in the
control cabinet or at the socket contact (socket side). This makes replacement
easier.
WARNING
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