National Instruments NI PXI-7851, Начало работы

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© National Instruments Corporation 7 Getting Started with R Series Multifunction RIO
The +5V terminals on the I/O connector 5 V referenced to D GND. Use these terminals to
power external circuitry. All NI 78
xx R devices are equipped with a fuse to protect the supply from
overcurrent conditions. Refer to the R Series Multifunction RIO User Manual , available at
ni.com/
manuals
, for information about the device-specific fuses.
Connectivity Options
Accessing the signals on the I/O connectors requires at least one cable and one signal accessory. Table 1
summarizes the National Instruments connectivity options available for use with the NI 78
xx R device.
For detailed information about connecting I/O signals, refer to the NI R Series Multifunction RIO User
Manual , available at
ni.com/manuals
.
Table 1. R Series Connectivity Options
Cable
Connector
Accessory Description NI 781
x
R
NI 783
x
R/
784
x
R/785
x
R
SHC68-68-RMIO
(NI Recommended) — 0 NI SCB-68 High-performance shielded cable wired
specifically for signal connection from
the RMIO connector
†
to the NI SCB-68
terminal block to provide higher signal
integrity and noise immunity.
SHC68-68-RDIO
(NI Recommended) 0, 1, 2, 3 1, 2
*
NI SCB-68 High-performance shielded cable wired
specifically for signal connection from
the RDIO connector
†
to the NI SCB-68
terminal block to provide higher signal
integrity and noise immunity.
SH68-C68-S 0, 1, 2, 3 1, 2
*
NI SCB-68 Basic shielded cable for signal
connection from the RMIO or RDIO
connector to the NI SCB-68 terminal
block for noise reduction.
*
NI 7830R does not have Connector 2.
†
For a diagram of the twisted pairs in the SHC68-68-RMIO and SHC68-68-RDIO cables and the signals to which they
correspond, go to
ni.com/info
and enter the info code
rdrmio
.