Beckhoff AX2500 Manual de usuario descargar pdf (Pagina 38)

8.2 Guide to electrical installation

The following notes should assist you to carry out the electrical installation in a sensible

sequence, without overlooking anything important:

Cable selection

Select cables according to EN 60204-1, ð p.20

Grounding,

Shielding

EMC-conform shielding and grounding (ð p.45) Earth the moun

ting plate, motor housing and CNC-GND of the controls. Notes

on connection techniques are on page 40

Wiring — Route power leads separately from control cables

— Wire the BTB/RTO contact in series into the safety loop

— Connect the digital control inputs to the servo amplifier

— Connect up AGND

— Connect the analog setpoint, if required

— Connect the feedback unit (resolver or encoder)

— If required, connect the encoder emulation

— If required, connect the fieldbus

— Connect the motor cable

Connect shielding to EMC connectors at the motor end, and

the shielding lug at the amplifier end

— Connect motor-holding brake, with shielding to EMC

connector at the motor end, and to shielding lug at the

amplifier end

— If required, connect the external regen resistor (with fusing)

— Connect the auxiliary supply

(maximum permissible voltages ð p.20)

— Connect main power supply

(maximum permissible voltages ð p.20)

— Connect PC (ð p.67).

Check

Make a final check of the wiring carried out against the wiring

diagrams that have been used

38 AX2500 Product Manual

Electrical Installation 06/2007 BECKHOFF

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Beckhoff AX2500 Manual de usuario Pagina 38