Device Action — Figure 4-12 provides a detailed illustration of the device action. If the
repeat filter is enabled, then the instrument samples the specified number of reading conversions
to yield a single filtered reading. If the moving filter is active, or filter is disabled, then only one
reading conversion is performed.
If the hold feature is enabled (see the :HOLD commands in Section 5), then the first processed
reading becomes the "seed" reading, and operation loops back to the beginning of the device
action. After the next reading is processed, it is compared to the programmed hold window
(0.01% to 20%). If the reading is within the window, then operation again loops back to the
beginning of the device action. This looping action continues until the specified number (2 to
100) of valid hold readings (readings within the window) has occurred. If one of the hold
readings is not within the window, then the instrument acquires a new "seed" reading and repeats
the hold process. After the hold is released, an audible beep is sounded to signal a valid
measurement. The use of hold is explained in Section 3.
If the instrument is performing a step or scan, the next task for device action is to open the
previous channel (if closed) and close the next channel.
If the filter, hold feature, and scanning are disabled, the device action would be a single
reading conversion.
From Delay block of
Trigger Model (See Figure 4-11)
Device Action
To Output Triggerblock of
Trigger Model (See Figure 4-11).
Conv Hold Chan
Filtering Process
(Filter enabled)
Conv = Reading conversion
Hold = Hold Feature process (if enabled)
Chan = Close channel (if scanning)
Conv Conv
gure
-
evice action
(trigger model)
4-26 Remote Operation
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