PEP Modular Computers Modular Computers RS485 User Manual page 282

SMART I/O User's Manual
O_DISABLE_CONV: This operate call tells ISaGRAF to disable the
<analog var> := OPERATE(<iovar>, O_DISABLE_CONV, 0);
where <analog var> represents the analog return variable and can
<iovar>
O_GET_LINE_STATE:
<analog var> := OPERATE(<iovar>, O_GET_LINE_STATE,
where <analog var> represents the analog return variable and is
<iovar>
<var>
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conversion of a particular channel of a connected
SM-DAC1 module. The syntax is as follows:
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.
This operate call allows the user to check the line
state on the current version of the SM-DAC1. The
syntax is as follows:
<var>);
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.
©1996 PEP Modular Computers GmbH
Chapter 5 Analog Modules
October 01, 1996