Digital Modules | SMART I/O User’s Manual | |||
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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
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
<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>,
08 Jan. 98 | Manual ID 09901, Rev. Index 0500 | Page 4 - 51 |
