©
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
.
