USER GUIDE
NI USB-6501
24-Channel, 32-Bit Counter Digital I/O Device
The National Instruments USB-6501 is a Full Speed USB 2.0 device that provides 24 DIO
channels and a 32-bit counter. This user guide describes how to use the device.
For specifications, refer to the
NI USB-6501 Device Specifications
document available at
.
The following figure shows key functional components of the NI USB-6501.
Figure 1.
NI USB-6501 Top and Back Views
1
2
2
4
3
NI USB-6501
24-line Digital I/O
1. USB Cable Strain Relief
2. Screw Terminal Connector Plug
3. LED Indicator
4. USB Connector
The following figure shows key functional components of the NI USB-6501.
