Advantech PCM-3718H handleiding
Handleiding
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PCM-3718 Series User Manual 28
3.4 Digital Signal Connections
The PCM-3718 cards have two 8-bit digital input/output channels. The
digital I/O levels are TTL compatible. The following figure shows con-
nections of digital signals with other TTL devices:
To receive an OPEN/SHORT signal from a switch or relay, add a pull-up
resistor to ensure that the input is held at a high level when the contacts
are open. See the figure below:
or
DIO
D.GND D.GND
TTL Devices
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Productinformatie
| Merk | Advantech |
| Model | PCM-3718H |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 5483 MB |
