Pepper Computer RS485, RS232 user manual Ogetlinestate

SMART I/O User’s Manual Chapter 5 Analog Modules

O_DISABLE_CONV: This operate call tells ISaGRAF to disable the conversion of a particular channel of a connected SM-DAC1 module. The syntax is as follows:

<analog var> := OPERATE(<iovar>, O_DISABLE_CONV, 0);

where <analog var>

<iovar>

represents the analog return variable and can be zero if the operate call is supported and the correct <iovar> is passed or non-zero if an error occurred.

is the variable name for the channel where the operate call is to take effect.

O_GET_LINE_STATE:

This operate call allows the user to check the line state on the current version of the SM-DAC1. The syntax is as follows:

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

where <analog var>

<iovar>

<var>

<var>);

represents the analog return variable and is zero if an open loop is detected. Otherwise it returns 1.

is the variable name for the channel where the operate call is to take effect.

is not used.

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