Projecta IM2000 Provozní pokyny stáhnout pdf (Strana 61)

Step Clock and Direction Outputs

Another key feature offered by the IM483-34P1 is the non-isolated step clock

and direction outputs. These outputs will follow the step and direction inputs.

This allows for multiple drives to be cascaded, with the primary drive receiving

the step/direction signals from the control device, and the drives connected to

the step/direction outputs to follow the primary. Figure A.4 illustrates a

possible connection/application of these outputs.

These outputs used in this configuration would allow the user to electronically

gear or ratio the drives using the MSEL inputs. For instance, if the resolution

of the primary drive was set to 128 and the secondary drive set to 256, when a

move is commanded, the secondary drive will move 1/2 the distance and

velocity of the primary drive.

+5 VDC

Step Clock

Oscillator

Direction Input

Direction In

Direction Out

Step Clock Input

Step Clock In

P1:4

P1:6

P1:8

Step Clock Out

P1:8

Figure A.4: Cascading IM483-34P1 Drives Using the Step/Direction Outputs

Optional Screw Terminal Interface for P1

The BB-34-4P is an optional breakout board that plugs directly into the pin

receptacle for P1. This gives the user a screw terminal interface to P1. For

drawings and details please see Appendix D: Accessories, BB-34-4P.

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Projecta IM2000 Provozní pokyny Strana 61