Advantech PCI-1710HGU Instrukcja Użytkownika Pobierz pdf (Strona 33)

27 Chapter 3

Fig. 3-3 shows how to make analog output and external reference input

connections on the PCI-1710U/1710HGU.

Figure 3.3: Analog Output Connections

3.3.3 Digital Signal Connections

The PCI-1710U/HGU has 16 digital input and 16 digital output channels.

The digital I/O levels are TTL compatible. The following figure shows

connections to exchange 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.

D.GND

TTL Devices

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 51 52

Brak uwag

Advantech PCI-1710HGU Instrukcja Użytkownika Strona 33