Siemens SIMATIC TIWAY 1 Manual de usuario descargar pdf (Pagina 110)

HOST COMMAND SET REFERENCE

UNILINK HOST

ADAPTER5–25

USER MANUAL

5.4.4 Allocate

Macr

o Storage Buf

fers — 13

The

ALLOCATE MACRO STORAGE BUFFERS command allocates buffers for

macro storage. This command can be repeatedly issued, and the HIU will

continue to add buffers until the HIU memory is either used or a total of 254

macro

buffers have been allocated. Figure 5–6 shows the relationship between

Source Id numbers and macro buffers. These buffers remain allocated to the

Source

number until an ALLOCA

TE SOURCE ID command is issued to free

them

up.

Source

ID #1

(OE)

Source ID #2

(1A)

Source ID #32

(E5)

Macro Buf

fer

Macro Buf

fer

#35

Macro Buf

fer

#63

Macro Buf

fer

#87

Macro Buf

fer

Macro Buf

fer

Macro Buf

fer

#80

Macro Buf

fer

#97

Macro Buf

fer

#109

Macro Buf

fer

Macro Buf

fer

#33

Macro Buf

fer

#60

to 32

unique

source

IDs

to 254

Macro

Buffers

Figure 5–6 Source Id/Macro Buffer Relationship

Command: 13

ss [xxxx rrrr]

Response:

13 ss ([bb])

Usage: OPERATION

Modes:

MHIU, HIU

Parameters:

ss The

Source Id number previously defined with the ALLOCA

SOURCE

ID command.

xxxx

The length of the macro command buffer in bytes.

rrrr

The length of the macro response buffer in bytes.

NOTE

1 2 ... 105 106 107 108 109 110 111 112 113 114 115 ... 207 208

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Siemens SIMATIC TIWAY 1 Manual de usuario Pagina 110

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