Measurement-computing E-1608-OEM Manuel d'utilisateur télécharger pdf (Page 17)

E-1608-OEM User's Guide Functional Details

Figure 6. W3 jumper configurations

For more information about digital signal connections

For general information about digital signal connections and digital I/O techniques, refer to the Guide to Signal

Connections (available on our web site at www.mccdaq.com/signals/signals.pdf).

Trigger input

The TRIG connector is an external digital trigger input. The trigger mode is software selectable for edge or level

sensitive.

 Edge sensitive mode is configurable for rising or falling edge.

 Level sensitive mode is configurable for high or low level.

The default setting at power up is edge sensitive, rising edge.

Counter input

The CTR connector is a 32-bit event counter that can accept frequency inputs up to 10 MHz. The internal

counter increments when the TTL levels transition from low to high.

Power output

The +VO connector can output up to 10 mA maximum. You can use this connector to supply power to external

devices or circuitry.

Ground

The analog ground (AGND) connectors provide a common ground for all analog channels.

The digital ground (GND) connectors provide a common ground for the digital, counter, timer, and clock

channels and the power connector.

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Measurement-computing E-1608-OEM Manuel d'utilisateur Page 17