Yokogawa DAQWORX Manual do Utilizador descarregar pdf (Página 33)

1-25

IM WX102-01E

Index

Before Operation

• If the time when data are sampled coincides with the report start, the data sampled

at the same time report making started are included in rst reporting round. The

report created when the DA stops making reports thus includes those data.

•

If you have dened timer and match-time signals as events using the event/action

functions in order to let the report start match the actual reporting, data items

included in the rst reporting round will have one data item more than those

included in the second or any subsequent reporting round.

Temporary measurement omissions

Measurement may not take place if the DA is loaded beyond its processing capability. If

a measurement omission occurs, the DA compensates for the missing data with the data

it measures immediately after recovering from the measurement omission (the data for

the period with no measurement thus match those acquired immediately after recovering

from the temporary measurement omission).

Power failures during reporting

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

stops reporting.

Computing results: The DA computes data measured up to the point immediately

before the power failure.

Reporting time:

The time when the power failure occurred.

Handling of faulty data

If data being computed contain any abnormalities, the DA treats the data as summarized

in the following table.

Note that in the case of positive and negative overflows, minimum and maximum values

are included in the computing.

Type of Faulty Data Average Minimum/

Maximum

Instantaneous ValueSum

Positive overflow Not computed Computed Takes faulty data as

the computing result

Not computed

Negative overflow Not computed Computed Takes faulty data as

the computing result

Not computed

Channels included in

measurement set to SKIP

Not computed Not computed Takes faulty data as

the computing result

Not computed

No channel included in

measurement

Not computed Not computed Takes faulty data as

the computing result

Not computed

Error, power failure Not computed Not computed Takes faulty data as

the computing result

Not computed

Incapability of data

output

Not computed Not computed Takes faulty data as

the computing result

Not computed

1.5 DA100 Functions

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