Siemens ET 78X Series Instruções de Operação descarregar pdf (Página 48)

DNC Plant/DNC Cell (FBDN1) 05.07

3 Operator interface

FBDN1/3-40 Motion Control Information System DNC (FBDN) - 04/10 Edition

In Field Name, you can choose one of the items of administrative data of the

respective NC data.

In Operand, you can decide how you want to filter your NC data with the field

name you have chosen. The following options are available:

Table 3-4: Filter operands

Operand Description

= Equal to value

<> Not equal to value

< Less than value

> Greater than value

<= Less than or equal to value

>= Greater than or equal to value

Caution

Before you change a filter, make sure that you have selected the correct filter in

the Select Filter dialog. You can check this in the title of the dialog for the filter

criteria (see above).

You can also use wildcards in the Value field. The following wildcards are

supported:

Table 3-5: Wildcards

DOS

wildcards

SQL

wildcards

Description Examples

* % Several

arbitrary

characters

c* cylinder_head, coil_plunger

%A TOA, ZOA, RPA

? One arbitrary

character

?PF MPF, SPF

_O_ TOA, ZOA, JOB

Note

The meaning of the DOS wildcards is the same as that of the SQL wildcards.

Wildcards are sent to the database as "like" queries. This means that the same

filter can have a different effect on different databases (MSDE, ORACLE, etc.)

depending on how these are configured. One example of this is the use of upper

and lower-case letters. The filter can also react differently depending on how the

wildcards or data fields are used.

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