Applied-motion STM17C-3CE Bedienungsanleitung PDF herunterladen (Seite 18)

e Step (STEP) and Direction (DIR) Inputs

e STM17 drive+motors include two high-speed inputs called STEP and DIR. ey accept 5 to 24 volt single-ended or

dierential signals, up to 2 MHz. Typically these inputs connect to an external controller that provides step & direction

command signals. You can also connect a master encoder to the high-speed inputs for “encoder following” applications.

Or you can use these inputs with Wait Input, If Input, Feed to Sensor, Seek Home and other SCL or Q commands.

Note: If current is owing into or out of an input, the logic state of that input is low or closed. If no current is ow-

ing, or the input is not connected, the logic state is high or open.

Example connection diagrams:

Connecting to indexer with Sinking Outputs

Connecting to indexer with Sourcing Outputs

Connecting to Indexer with Dierential Outputs

(Many High Speed Indexers have Dierential Outputs)

STM17

DIR+

DIR DIR-

STEP+

STEP STEP-

Indexer

with

Sinking

Outputs

5-24 VDC

STM17

DIR+

DIR- DIR-

STEP+

STEP-

STEP+

STEP-

STM17

DIR-

DIR+

STEP-

STEP+

Indexer

with

Sourcing

Outputs

STEP

5-24 VDC

DIR

STM17 Hardware Manual

920-0034 rev A

9/30/2010

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