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VX4101A MultiPaq Instrument User Manual
Digital Input. The Digital Input has a single programmable voltage threshold for
all 32 bits. The range of the input threshold voltage is from 0 volts to 20 volts.
The Digital Input has 8 K samples of digital input memory, 4 K samples each for
the pre-match pattern buffer and the post-match memory. You can query all
Digital Input settings.
Digital Output. Each of the 32 bits of digital output is programmable. Output
voltages can be set for 5 V, 12 V, or 24 V nominal operation. You can also use an
externally supplied voltage, if desired. You must set all digital output bits to the
same voltage setting. The output sample frequency range is from 3.662 Hz to
48 kHz, and applies to all 32 bits. The Digital Output has 4 K × 32 samples of
memory. You can repeat sample segments as either continuous, or with a
programmable count and repetition frequency, You can query all Digital Output
settings.
The DMM has full function autoranging with 5 1/2 digit resolution. Measure-
ments can be returned as single measurements, or as an array. Power cycle
averaging modes are available for 60 Hz and 50 Hz.
The device has autozero capability which minimize offset drift errors without
removing the customer input connections. The DMM has floating input isolation
of 300 VDC or AC
RMS
.
Ranges of operation are:
H Array measurements returned with up to 4096 measurements via the Fast
Data Channel Protocol.
H Over 500 programmable aperture times from 833 ms to 2 seconds
H DC voltage at 30 mV, 300 mV, 3 V, 30 V, and 300 V
H AC True RMS, either AC or DC coupled, at 30 mV
RMS
, 300 mV
RMS
,
3 V
RMS
, 30 V
RMS
and 300 V
RMS
H Four-wire or two-wire W measurement at ranges of 30 W, 300 W, 3 kW,
30 kW, 300 kW, 3 MW, 30 MW, and 300 MW
H DC Current at 150 mA and 1A
Acquisition triggering is provided from one of several sources, including VXI
TTL triggers, counter front panel arm, software triggers, periodic trigger, and
other VX4101A instrument triggers, such as the SurePathtrelay switched and
settled.
About the Digital
Multimeter (DMM)