The Keysight L4452A allows great flexibility for a variety of sense and control applications. It combines four 8-bit channels of digital input and output, a 100 kHz gated totalizer, and two 12V analog outputs all on a single earth-referenced module. Alarm limits for the digital and event counter inputs are evaluated continuously, capturing and logging alarm conditions even between scans.

The digital I/Os support TTL levels. These channels can be used with an external power supply to control external devices or to sense limit switch and digital bus status. There are no complex handshake modes.

You can use the totalizer inputs to count events. The analog outputs can output up to +/-12V or 10mA DC with 1mV of resolution. They can be used to source bias voltages to your device under test, to control your analog programmable power supplies, or use the outputs as setpoints for your control systems.

Standard 50-pin Dsub connectors allow for use with standard cables, terminal blocks, or mass interconnect solutions.

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LXI compliance includes built-in Ethernet connectivity

Fully-featured graphical web interface

32-bits of digital I/O TTL up to 42V

100 kHz gated totalizer

Two +/-12V analog outputs with 1mV of resolution

Software drivers for most common programming environments

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