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Operation
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Start-up
118
DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual
Release M
April 2017
Set the Chart Time Line
Table 5-2 lists the steps required to set the chart time line.
Table 5-2 Set the chart time line procedure
Step
Press
Action/Result
1
Apply power and wait until the recorder runs its power-up tests.
2
CHART
To enable the chart drive function.
▲
or
▼
To drive the chart forward
To drive the chart backward
until current chart time line aligns with engraved time index on the chart
plate.
To increase forward drive speed, press and release the
▲
key while
holding in the
▼
key.
3
CHART
To disable the chart drive function and return to normal operation.
5.3 Start-up
Preparation
Before start-up, there are two tasks to perform:
Install or replace the circular chart as described in
Be sure that the configured settings for the current time and wake time (time at which recording begins)
are correct. Note that the recorder is “awake” during start-up to verify interaction with the process.
During start-up, you should verify the interaction between your process and the DR4500A recorder to be
sure that your process can tolerate some upsets during this procedure.
Diagnostic tests
When power is applied, the recorder will run four diagnostic tests.
Table 5-3 lists the four diagnostic tests.
Table 5-3 Power up diagnostic tests
Prompt on Lower Display
Condition
RAM TEST
Check RAM
CONFTEST (configuration checksum)
Check nonvolatile memory
CAL TEST (working calibration)
Check calibration
BATTERY
Check the battery