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Chapter 1
Getting Started with the cDAQ Controller
Figure 1-25.
Installing a Ferrite on Two USB Cables
Refer to Figure 1-1 or 1-2 for the location of the two USB host ports on the cDAQ controller.
Refer to Table 1-4 for USB host port pin locations and signal descriptions.
Caution
Do
not
hot-swap USB devices while the cDAQ controller is in a
hazardous location or connected to high voltages. If the cDAQ controller is not in a
hazardous location, you can connect and disconnect USB devices without affecting
operation.
USB Device Port
(NI cDAQ-9132/9133/9134/9135/9136/9137 for LabVIEW Real-Time)
The USB device port,
shown in Figure 1-1 or 1-2, is intended for use in device configuration, application deployment,
debug, and maintenance. For example, you can install software or driver updates through the
USB device port during field maintenance instead of interrupting communication on the RJ-45
Ethernet ports.
Caution
National Instruments requires a locking USB cable, such as part number
157788-01, in order to meet the shock and vibration specifications of this product.
Note
The USB device port is not supported on
NI cDAQ-9132/9133/9134/9135/9136/9137 for Windows controllers.
Table 1-4.
USB Host Port Pin Locations
Pinout
Pin
Signal Name
Signal Description
1
VCC
Cable power (+5 V)
2
D-
USB data-
3
D+
USB data+
4
GND
Ground
1
4
2
3