Advantech PCIE-1762H, User Manual

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PCIE-1762H User Manual 12
3.1 Overview
Maintaining signal connections is one of the most important factors for ensuring an
application/system is sending and receiving data correctly. Good signal connections
can avoid unnecessary and costly damage to your PC and other hardware devices.
This chapter explains how to connect input and output signals to the PCIE-1762H
card via the I/O connector.
3.2 Isolated Digital Input Connections
The PCIE-1762H card features 16 isolated digital input channels designated IDI0 ~
IDI15. Each isolated digital input channel accepts 10 ~ 50 V
DC
voltage and bi-direc-
tional input. This means users can apply positive or negative voltage to an isolated
input pin (V
in
). The figure below shows how to connect an external input source to
one of the card’s isolated input channels.
Figure 3.1 Isolated Digital Input Connections