Advantech PCI-1736UP Manuale Utente Scaricare il pdf (Pagina 33)

27 Chapter 3

3.3.2 Isolated Digital Outputs

Each of the 16 isolated digital output channels comes equipped with a

darlington transistor. Every eight ouput channels share common

emitters and integral suppression diodes for inductive load, actived by

connecting PCOM to VDD. (Channels 0~7 use PCOM1. Channels

8~15 use PCOM2)

If the external voltage (5~40 V) is connected to each isolated output

channel (IDO) and its isolated digital output turns on (90 mA per

channel maximum), the card's current will sink from the external

voltage.

Figure 3.5: Isolated Digital Output Connection

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Advantech PCI-1736UP Manuale Utente Pagina 33