36
Simple Logger
®
II Series
4.9.2 Application Example
In a processing plant it has been determined that timing on several positions
is out of specification. The service staff needs to know the sequence of
valve opening and closing, and the duration of each, to correct the problem.
The L404 can be connected to four outputs in the process and keep track
of the time and duration of each opening and closing, thus providing the
technician with the data they need to solve the sequence issue.
In the example below we can see that the valve 1 opened and closed
several times during a one minute period, but valves 2, 3 and 4 did not
respond.
Figure 4-2
4.10 Reset Switch Operation
CAUTION:
Risk of electric shock. Disconnect the unit from any input
source before opening the rear cover. Electrical shock may occur with
damage to the user and/or the instrument.
Resetting the instrument takes about 10 seconds, at which time the instru
-
ment will be non responsive.
For Standard Units:
The
RESET
button (see § 2.2.1 for location). resets the CPU and is located
under the top cover. To access this button, remove the battery compart
-
ment cover, then remove the four screws holding the two halves of the
case together. The reset button is located on the exposed PCB near the
input(s).
For Model CL601:
To access the
RESET
button (see § 2.2.2), remove the battery compart
-
ment cover. The button is located to the left of the batteries.
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