Applied-motion STM17C-3CE Manual de usuario descargar pdf (Pagina 20)

e Enable (EN) Digital Input

As mentioned in the previous section, the high-speed STEP and DIR inputs are designed for high speed op-

eration. e Enable digital input is designed for low speed digital input operation between 5 and 24 volts DC.

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

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

Example connection diagrams:

Connecting the Input to a Switch or Relay

Connecting an PNP Type Proximity Sensor to an input

(When prox sensor activates, input goes low).

Connecting an NPN Type Proximity Sensor to an input

(When prox sensor activates, input goes low).

STM17

Switch or Relay

(closed = logic Low)

EN-

EN+

5-24

VDC

Power

Supply

NPN

Proximity

Sensor

output

–

STM17

5-24

VDC

Power

Supply

EN-

EN+

5-24

VDC

Power

Supply

PNP

Proximity

Sensor

output

–

STM17

EN-

EN+

STM17 Hardware Manual

920-0034 rev A

9/30/2010

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Applied-motion STM17C-3CE Manual de usuario Pagina 20

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