
3
Figure 1. L4450A 64-bit digital I/O with counter.
Frequency counter and totalizer
The two channels can be used to count
digital events, frequency, period, duty
cycle, pulse width and totalize. The
counter/totalizer also includes:
• Programmable gate functionality
• Programmable input thresholds
levels 0 V to 3 V
System connections you can trust
The L4450A comes with 2 heavy duty
78-pin Dsub connectors that allow for
simple, reliable connection options.
Each connector uses 30 micro-inches
of gold to ensure a repeatable, accurate
measurement. Other connection
options include:
• Detachable terminal blocks with
strain relief
• Low-cost, standard 78-pin Dsub con-
nector kits and cables
• Mass interconnect solutions
Ethernet connectivity enables simple
connection to the network and remote
access to measurements
The Ethernet interface offers high-
speed connections that allow for
remote access and control. You can
set up a private network to filter out
unwanted LAN traffic and speed up the
I/O throughput, or take advantage of
the remote capabilities and distribute
your tests worldwide. Monitor,
troubleshoot, or debug your application
remotely. Ethernet communication also
can be used with the support
of LAN sockets connections.
The optional GPIB interface has many
years of proven reliability and can be
used for easy integration into existing
applications.
The L4450A ships with the Agilent
E2094N I/O Libraries Suite, which
enables connections for Agilent and
non-Agilent modular and traditional
instruments. This makes it easy for you
to configure and integrate instruments
into your system.
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