National Instruments 6008 用户手册

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USER GUIDE AND SPECIFICATIONS
NI USB-6008/6009
This guide describes how to use the National Instruments USB-6008/6009 
data acquisition (DAQ) devices and lists specifications.
Introduction
The NI USB-6008/6009 provides connection to eight analog input (AI) 
channels, two analog output (AO) channels, 12 digital input/output (DIO) 
channels, and a 32-bit counter with a full-speed USB interface.
Note
This manual revision updates naming conventions to reflect the conventions used in 
NI-DAQmx. Table notes the correlation between the old and updated names.
Table 1.  Digital Output Driver Type Naming Conventions
Hardware Functionality
NI-DAQmx Terminology
Open-drain
Open collector
Push-pull
Active drive