Siemens SIMATIC TIWAY 1 Manual do Utilizador descarregar pdf (Página 105)

HOST COMMAND SET REFERENCE

UNILINK HOST

ADAPTER 5–20

USER MANUAL

5.4.1

Allocate Sour

ce Id — 10

The ALLOCATE SOURCE ID command establishes a source identification

number

that maintains the independence of task resources. This

number is the

link between the host applications task and the associated macro resources.

This

command can be issued at anytime after the Configure Adapter command,

code 20,

has been processed. However

, it must be issued before a macro can be

defined. Only thirty–two unique Source Ids may be active at a time. Memory

management is aided with Source Ids because they group resources so that

these resources can be released simultaneously. Once the resources are

released,

the memory will be packed to free space for future memory allocation

requests.

Command: 10

ss oo

Response:

10 ss oo

Usage: OPERATION

Modes:

MHIU, HIU

Parameters:

ss The

Source

Id. A unique number

, ranging from 01 to FE (1 to 254

decimal), used to identify each task or process using the HIUs

resources.

oo Allocate/Deallocate

Code

00 = Allocate the Source Id, clear all resources allocated to that

Source Id, if any

, and put the Source Id in the active list.

= Deallocate the Source Id, clear all the resources allocated to

this

Source Id, if any

, and take the Source Id out of the active list.

1 2 ... 100 101 102 103 104 105 106 107 108 109 110 ... 207 208

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