NI-DAQmx
Provides support for NI data acquisition and signal conditioning devices. 
NI-VISA
Provides support for Ethernet, GPIB, serial, USB, and other types of instruments. 
NI-488.2
Provides support for NI GPIB controllers and NI embedded controllers with GPIB ports.

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PCI-6509

Digital I/O Device

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96-Channel, 5 V, TTL/CMOS, 24 mA, PCI Digital I/O Device—The PCI-6509 can directly drive external digital devices such as solid-state relays (SSRs). You can configure each port for input or output, and no external power supply is required for outputs. Using programmable power-up states, you can configure the initial output states in software to ensure glitch-free, safe operations when connected to industrial actuators. If a computer or application fault occurs, the PCI-6509 can use digital I/O watchdogs to switch to a configurable safe output state to ensure detection and safe recovery from fault conditions. Programmable input filters eliminate glitches/spikes and provide debouncing for digital switches/relays through a software-selectable digital filter.