Lenze PLC Designer PLC Designer (R2-x) Manual de usuario descargar pdf (Pagina 680)

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L-force | PLC Designer

PLC Designer Libraries

678 DMS 3.2 EN 02/2011 TD29 

Library Description

SysLibPlcCtrl.lib This library contains the following functions for controlling a PLC.

SysLibPorts.lib This library can be used to communicate with external hardware devices

via their port addresses; e.g. realtime clock, graphic controller etc. The

port addresses can accessed reading and writing. The execution is

synchronous.

SysLibProjectInfo.lib If the target system supports the functionality, then the functions

contained in this library can be used to read the Project Info (PLC

Designer Menu 'Project' 'Project Info') respectively the Project ID. The

execution is synchronous.

SysLibRtc.lib This library contains functions for accessing the realtime clock of the

local system. If the target system is supporting the functionality, the

realtime clock can be read and set; additionally the current hour display

mode as well as the battery can be retrieved. The execution is

synchronous.

SysLibSem.lib This library can be used to create and use semaphores for the

synchronization of tasks. The semaphores serve to avoid any concurrent

access on critical data, which are used by several tasks. The target system

must support this functionality. The execution is synchronous.

SysLibShm.lib This library provides functions for accessing a memory area which is used

in common by several processes resp. referencing a physical address

(Shared-Memory, shortcut ShM).

SysLibSockets.lib This library supports the access on sockets for the communication via

TCP_IP and UDP.

SysLibSocketsAsync.lib This library offers the same functionality as SysLibSockets.lib, however

function blocks instead of functions are used and the processing is

asynchronous.

SysLibStr.lib This library provides functions for string operations. If the target system

is supporting the functionality, the following functions can be used to

compare or copy strings or to retrieve the length of a string. The

execution is synchronous.

SysLibTasks.lib If the target system supports the functionality, then the library functions

can be used to manage tasks. That means to generate, to delete, to

modify priority level, to stop and restart tasks. The execution is

synchronous.

SysLibSymbols.lib If supported by the target system (CSP32F as from Version 2.4.5.0), the

function SysLibGetSymbolAddress provided by this library can be used to

read the physical address of a symbol of an IEC project. The processing is

done synchronously.

SysLibTime.lib This library provides function blocks for reading the realtime clock of the

local system. The execution is synchronous.

SysTaskInfo.lib The library is used for evaluating the task runtimes.Via the Taskinfo()

function block that is included, the following information can be

retrieved:

Max./last jitter: They are updated during a positive edge at the input

bBeginCycle.

Min./max./last task runtime: They are updated during a negative edge at

the input bBeginCycle.

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Lenze PLC Designer PLC Designer (R2-x) Manual de usuario Pagina 680

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Lenze PLC Designer PLC Designer (R2-x) Manual de usuario Pagina 680

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