Computer Expressions 40CG Manual de usuario descargar pdf (Pagina 188)

Computer Gateway User Manual 6-2 5/96

6.2.2

You can copy the schematic to an existing volume that is already listed in a Pathname

Catalog, or you can add its pathname to a Pathname Catalog and then do an Area Change at

a US to make it available. Detailed instructions for adding a schematic to a Pathname

Catalog are under subsection 29.2 in the Engineer's Reference Manual, in the

Implementation/Startup and Reconfiguration - 2 binder.

6.2.2 Database Memory Requirements

Database memory requirements are

ACIDP—143 words each (plus CDS requirements)

CRDP—36 words each

internal DDT—40 + (25*the number of items in table) words each

Custom Data Segments —three factors are involved:

• Control Structure: 80 words of control structure are added to each ACIDP or CRDP

with one or more CDS.

• Descriptor Segment: 13 + (22 times the number of parameters) words are required by

each CDS for its descriptor segment.

• Data space: CDS data use varies with the mix of parameter types.

Each Real parameter requires 2 words

Each ASCII parameter requires 21 words

Each Enumeration parameter requires 2 words

Each Self-defining enumeration requires 7 words

Each Boolean parameter requires 1 word

Process Units—300 words for each 150 points (or fraction of 150) in the same Unit.

1 2 ... 183 184 185 186 187 188 189 190 191 192 193 ... 227 228

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Computer Expressions 40CG Manual de usuario Pagina 188