S t e p C l o c k a n d D i r e c t i o n O u t p u t s
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 conguration would allow the user to elec-
tronically 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.
Figure A.4: Cascading IM483-34P1 Drives Using the Step/Direction Outputs
O p t i o n a l S c r e w Te r m i n a l I n t e r f a c e f o r P 1
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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