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Installation
3.2
Guide to installation and wiring
The following notes should assist you to carry out the installation in a sensible sequence, without
overlooking anything important.
Ventilation
Cable selec-
Grounding
Final check
32
In a closed switchgear cabinet. Observe page 19 .
Site
The site must be free from conductive or corrosive materials.
For the mounting position in the cabinet ð p. 33
Check that the ventilation of the servo amplifier is unimpeded
and keep within the permitted ambient temperature ð p. 19 .
Keep the required space clear above and below the servo amplifier ð p 33.
Assemble the servo amplifier and power supply, filter and choke close
Assembly
together on the conductive, grounded mounting plate in the cabinet.
Select cables according to EN 60204 (ð p. 20)
tion
EMC-compliant (EMI) shielding and grounding (ð p. 36)
Earth (ground) the mounting plate, motor housing and CNC-GND of the controls.
Shielding
Notes on connection techniques are on page 39
Route power leads and control cables separately
Wiring
Wire the BTB/RTO contact in series into the safety loop
— Connect the digital control inputs to the servo amplifier
— Connect up AGND (also if fieldbuses are used)
— Connect the analog setpoint, if required
— Connect up the feedback unit (resolver and/or encoder)
— Connect the encoder emulation, if required
— Connect the expansion card (see corresponding manual on the CD-ROM)
— Connect the motor cables, connect shielding to EMI connectors at both ends
— Connect motor-holding brake, connect shielding to EMI connectors at
both ends
— Connect the external regen resistor (with fusing)
— Connect aux. supply (for max. permissible voltage values ð p. 19)
— Connect mains choke and mains filter (shielded lines between filter and
servo amplifier)
— Connect main power supply (for max. permissible voltage values ð p. 19)
— Connect PC (ð p. 62).
— Final check of the implementation of the wiring,
—
according to the wiring diagrams which have been used.
02/06
AX2040/2070 Installation Manual
Beckhoff
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