User`s manual

Chapter 1 Gerneral Information 3
1753/PCI-1753E controls how these signals generate an interrupt.
More than one interrupt request signals can be generated at the same
time, and then the software can process these request signals by ISR.
The multiple interrupt sources provide the card with more capability
and flexibility.
The PCI-1753/1753E also provides “Pattern Match” interrupt
function for port A0. The card monitors the states of port A0 and
compares them with a pre-set pattern. When the received state
matches the pre-set pattern, the PCI-1753/1753E generates an
interrupt signal to the system.
“Change of State” interrupt function is provided at port B0. When
any signal line of port B0 changes its state, the card generates an
interrupt to the system to handle this event.
These interrupt functions release the CPU from the burden of pulling
all I/O points, enabling a PC to handle more I/O points with higher
performance.
Cost Savings for Increasing the Number of
Input/Output Lines
Industrial users are needing more and more digital I/O lines to
transmit data or to monitor/control outside devices. To meet this
trend and to satisfy user’s budget considerations, Advantech has
developed an extension board for the PCI-1753 called the PCI-
1753E. The PCI-1753E has almost the same structure as the PCI-
1753, without the interface controller. It shares PCI-1753’s interface
controller through a 10-cm flat cable connecting, so users can spend
less money while doubling the number of input/output lines.
Accessories for PCI-1753/1753E
The PCI-1753/1753E uses a 100-pin SCSI female connector. For easy
signal wiring, a PCI-1753 can be connected to two ADAM-3968s by a
100-pin to 2x68-pin SCSI cable (part number PCL-10268). The
ADAM-3968 allows easy access for wiring the individual pins of a 68-
pin SCSI connector. An ADAM-3968/50 adapter board converts the
68-pin connector to two opto-22 compatible 50-pin box headers for
connecting the PCI-1753/1753E to daughterboards, such as PCLD-
782B and PCLD-785B.