Yokogawa DR240 Manual do Utilizador descarregar pdf (Página 194)

10-33

IM DR232-01E

Basic Settings (SET UP)

If Power Failure Occurs While Report Function Is Active

The DR recorder takes different actions depending on the length of a power failure.

If the power failure time is longer than 12 hours:

The DR recorder makes a report immediately after it recovers from the power failure and then

stops making reports. It does not execute printing based on the settings for automatic printing.

Print out reports either using the communication function or from the FUNC menu.

Results of computing: The DR recorder computes data measured up to the point immediately

before the power failure.

Time of report making:The time when the power failure occurred.

If the power failure is less than 12 hours:

The DR recorder takes different actions depending on the time it recovers from the power

failure.

Time of Recovery from After the Time of Before the Time of

Power Failure Report Making Report Making

Condition after recovery from Valid report function Valid report function

power failure (start of report making enabled) (start of report making enabled)

Report making Immediately after recovery from Time for report making

power failure

Report printing Immediately after recovery from Time for report making

power failure

Data included in report making Data measured up to the point of Data measured over the given

power failure period except the power failure time

If automatic report printing is turned on:

If the power failure time covers the given period of report making, no report for that period is made.

Handling of Faulty Data

If data being computed contain any faulty data, the DR recorder treats the data as summarized in

the following table, depending on the type of computing and faulty data.

Type of Faulty Data Average Minimum/Maximum Instantaneous Value Sum

Positive overflow Excluded from Included in computing Takes faulty data as Excluded from

computing the result of computing computing

Negative overflow Excluded from Included in computing Takes faulty data as Excluded from

computing the result of computing computing

Channels included in Excluded from

Excluded from computing

Takes faulty data as Excluded from

measurement set to SKIP

computing the result of computing computing

No channel included Excluded from

Excluded from computing

Takes faulty data as Excluded from

in measurement computing the result of computing computing

Error Excluded from

Excluded from computing

Takes faulty data as Excluded from

computing the result of computing computing

Output of data disabled

Excluded from

Excluded from computing

Takes faulty data as Excluded from

computing the result of computing computing

The DR recorder prints the results of computing as shown in the following table if they are special

data.

Type of Data Printout Format

Positive overflow +

******

Negative overflow –

******

Channels included in measurement set to SKIP Space

No channel included in measurement Space

Error ××××××

Output of data disabled

If data being computed contain faulty data, the DR recorder prints each digital data item,

beginning with an

or × as the status indication.

1. Power failure: ×

In the case of a power failure, the DR recorder prints the time for report making, also beginning

with an ×.

2. Channels included in measurement set to SKIP/no channel included in measurement/error/

output of disabled data: ×

10.12 Working with the Report Function

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Yokogawa DR240 Manual do Utilizador Página 194

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Yokogawa DR240 Manual do Utilizador Página 194

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