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Chapter 3 Signal Connections
BNC-2140 User Manual 3-2
©
National Instruments Corporation
+DAC1OUT –DAC1OUT Output +Analog Output Channel 1—This pin supplies the
analog non-inverting output channel 1. This signal
passes through the internal BNC conductor.
–DAC1OUT +DAC1OUT Output
–Analog Output Channel 1
—
This pin supplies the
analog inverting output channel 1. This signal
passes through the external BNC shell. In SE mode,
the inverting (–) terminal is tethered to ground
through a 50
Ω
resistor.
Table 3-1. BNC Analog I/O Connector Signal Descriptions (Continued)
Signal Name Reference Direction Description