048
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DATALOGGER
NI400
NI400
049
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DATALOGGER
NI400
NI400
engineering
unit
Field editable from the user. This field is enabled if the linear or
polynomial conversion is selected. It represents the acronym of
the unit of measure of the reading after the conversion in engi-
neering unit.
excitation
This field is enabled only for the type of measurement “Vibrat-
ing Wire” or “Vibrating Wire + Thermistor”. It indicates (in
msec) the period of each stimulation phase
delay
This field is enabled only for the type of measurement “Vibrat-
ing Wire” and “Vibrating Wire + Thermistor”. It indicates (in
msec) the stabilization period, i.e. how long NI400 waits before
starting the reading phase
range
This field allows to set up the range of functioning of the sen-
sor. If AUTORANGE is configured, NI400 decides automati-
cally with which range it is going to do the measurement. This
implies an increase in the reading time of the sensor.
start
frequency
This field is enabled only for the type of measurement “Vibrat-
ing Wire” or “Vibrating Wire + Thermistor”. It indicates the fre-
quency of the research start.
s
top
frequency
This field is enabled only for the type of measurement “Vibrat-
ing Wire” or “Vibrating Wire + Thermistor”. It indicates the fre-
quency of the research end.
g
ain
Amplification factor applied to sensors’ signal. Raise this
parameter only if sensor is placed far from datalogger and dat-
alogger provides unexpected or wrong readings.
e
xcitation
factor
(%)
Maximum amplitude of sensor excitation signal. Lower this
parameter only if sensor is placed close to datalogger and pro-
vides unexpected or wrong readings
e
xcitation
scaling
speed
This parameter sets adapting speed of excitation signal during
vibraing wire reading.
n
uMber
of
deciMals
Number of decimals recorded for this channel
s
kipped
NI400 does not read the channel, but CSV file will be popu-
lated with “skipped” values. This is to ensure compatibility with
software population layer in case of sensor change/removal
Some fields will be grayed out depending on chosen sensor
Channels Configuration –> Digitals
In this page it is possible to set digital channels to allow NI400 to read digital instruments.
For more information refer to chapter “Modbus”
Figure 46
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