A Specifications of CSD-709
136
A.6 Function
Analog filter
A low-pass filter that utilizes resistors and capacitors to attenuate
those frequency components higher than the set frequency. This
filter is enabled only when the analog peak hold is used.
Digital Filter
A filter that stabilizes the fluctuation during the moving-average
process with the CPU.
Digital low-pass filter
A low-pass filter used in the operation by the CPU. This filter
attenuates those frequency components higher than the set
frequency. (Bessel characteristic secondary low-pass filter)
Simplified calibration
Holding down , , and respectively for at least
two seconds allows you to enter the desired parameter setting
screen or calibration screen.
Communication calibration
You can execute the calibration based on communications
through the interface (optional RS-232C, RS-422/485, or
CC-Link) without key operation.
CHECK value
n additional load equivalent to the set value. Using this value, for
example, in the pre-work check, allows you to confirm the original
calibration status is maintained.
Hold target change
You can combine [Display], [Comparison output], [Current output
(option)], [Voltage output (option)], [BCD output (option)],
[CC-Link (option)], and [Serial interface (option)] to define the
resulting combination as the hold target.
Analog output target change You can select [Track] or [Peak] as the analog output target.
Brand code change
You can make the CSD-709 memorize up to four different types
of calibration data or comparator settings, then select the desired
item using functions or external control inputs (SEL.1 and SEL.2).
Peak mode selection
You can select the peak detection mode from 36 modes
configured through a combination of nine hold modes (peak hold,
bottom hold, peak-bottom hold, peak-to-peak hold, maximum
hold, minimum hold, maximum-minimum difference hold, average
hold, and four inflection point holds) and four section modes
(entire section, specified section, time-specified section, and
automatic start time-specified section).
Digital peak hold
You can acquire the peak load through high-speed sampling of up
to 4 000 times/s.
Analog peak hold
You can acquire the peak load more speedily independent of the
sampling rate. However, the analog circuit equipped with
capacitors is used to execute the peak hold, and thus there are
some restrictions (e.g., the current load cannot be determined.
Monitor output
This function outputs approximately 2 V per 1 mV/V (when bridge
power supply is 10 VDC.) before A/D conversion of the input
signal from strain gage type transducer.
Monitor mode
This mode converts the load currently applied to the sensor into a
value expressed in mV/V and displays the result. It is effective in
finding the cause when the displayed load is abnormal or
unstable.
Waveform comparison
After an additional memory (option) is mounted, you can judge
the integrity of the measurements using upper and lower limits
determined with the specialized application and comparison
waveforms.
Measurement result log
After an additional memory (option) is mounted, you can record
comparison judgment results as well as time stamps.
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