Beckhoff AX2500 User Manual download pdf (Page 59)

8.14.4 Connection to a SSI encoder (X4)

You can set up the AX2500 as a slave following a synchronous serial absolute-encoder

(master-slave operation). This application uses the SubD connector X4.

If lead lengths of more than 50 m are planned and for questions concerning the power

supply of the encoder, please consult our customer service.

Frequency limit: 1 MHz

AGND (terminal X3/1) must be connected to the ground of the control system!

8.14.5 Connection to stepper motor controllers (pulse and direction)

You can connect the servo amplifier to a third-party stepper-motor controller. The param-

eters for the servo amplifier are set up with the aid of the setup software (electrical gear-

ing). The number of steps can be adjusted, so that the servo amplifier can be adjusted to

the pulse/direction signals of any stepper-motor controller. Various monitoring signals can

be output.

Observe the limit frequency!

Using an A quad B encoder provides better EMC noise immunity.

Speed profile and signal diagram

AX2500 Product Manual 59

BECKHOFF 06/2007 Electrical Installation

AX2500

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Beckhoff AX2500 User Manual Page 59