Pepper-computer Modular Computers RS485 Manual de usuario descargar pdf (Pagina 137)

Digital Modules

08 Jan. 98

SMART I/O User’s Manual

Page 4 - 51Manual ID 09901, Rev. Index 0500

A complete list of the operate COMMANDS may be obtained

by selecting a project from the ISaGRAF projects group, open-

ing an application and observing the Common defines in the Dic-

tionary pull-down menu. Note that not all calls in the list may be

used within the SMART I/O environment. However, the calls

applicable to this module are:

O_INIT_CODE

Syntax and usage as explained above.

O_SET_LED

This operate call allows the user to control the yellow LED on

the board’s front panel. The syntax is as follows:

<analog var> := OPERATE(<iovar>, O_SET_LED,

<var>);

where

<analog var> represents the analog return variable and can

be zero, if the operate call is supported and the

correct <var> is passed, or non-zero, if an

error occurred.

<iovar> represents any module variable, and

<var> represents the LED to be controlled and must

be one of

OA_LED1_ON or

OA_LED1_OFF

O_EXT_POWER

This operate call can detect whether the external power has

failed or not, and has the following syntax:

<analog var> := OPERATE(<iovar>,

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Pepper-computer Modular Computers RS485 Manual de usuario Pagina 137