User manual

PCL-734 User Manual 12
3.1 Overview
Maintaining signal connections is one of the most important factors in ensuring that
your application system is sending and receiving data correctly. A good signal con-
nection can avoid unnecessary and costly damage to your PC and other hardware
devices. This chapter provides useful information about how to connect input and
output signals to the PCL-734 via the I/O connector.
3.2 Connector Pin Assignments
The PCL-734 has a DB-37 connector accessible from the card bracket.
See the figure on page 9 for the location of each connector.
Pin assignments for each connector appear in the following sections.
Abbreviations
IDO Isolated Digital Output
E.GND External ground for isolated output
PCOM Free wheeling diode common