© National Instruments Corporation 1-1 PCI/PXI-6703/6704 User Manual
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Introduction
This manual describes the mechanical and electrical aspects of the 6703
and 6704 devices and contains information concerning their configuration,
installation, and operation. The 6703 and 6704 devices are designed for
precise DC setpoint applications and provide general-purpose digital I/O.
Unless otherwise noted, text applies to all 6703 and 6704 devices: the
PCI-6703, PXI-6703, PCI-6704 and PXI-6704.
This chapter describes the 6703/6704 devices, lists what you need to get
started, describes software programming choices, optional equipment, and
custom cables, and explains how to unpack your device.
About the PCI/PXI-6703/6704
Thank you for purchasing a National Instruments 6703/6704 device. The
6703/6704 devices are precise DC setpoint devices for PCI and PXI. The
6703 devices have 16 voltage output channels. The 6704 devices have
16 voltage output channels and 16 current output channels for a total of 32
analog output channels. Both 6703 and 6704 devices have eight digital I/O
lines.
You can use the 6703/6704 devices in a wide variety of DC setpoint and
digital I/O applications. With the 6703/6704 devices, your PC system can
serve as a digital I/O system controller for laboratory testing, production
testing, and industrial process monitoring and control. These devices can
do the following:
• Generate experimental stimuli
• Generate analog functions
• Connect to a variety of signal types, including:
– Electromechanical relays
– LEDs
– Optically isolated, solid-state relays and I/O module mounting
racks
– Voltage and current excitation for precision transducers
– Current excitation for precision transducers (6704 only)
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