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Easy I/O for DAQ Library Chapter 10
LabWindows/CVI Standard Libraries 10-40 © National Instruments Corporation
GetAILimitsOfChannel
short
error
=
GetAILimitsOfChannel
(short
device
, char
channelString
[],
char
singleChannel
[],
double
initialHighLimitVolts
,
double
initialLowLimitVolts
,
double *
highLimitVolts
,
double *
lowLimitVolts
);
Purpose
Returns the high and low limits for a particular channel in the channel string.
Parameters
Input
device
short
integer
Assigned by configuration utility.
channelString
string Analog input channels that are to be sampled.
singleChannel
string A single channel of the channel string.
initialHighLimitVolts
double Specifies the maximum voltage to be measured
for all channels in the channel string listed
before a command string that specifies a new
high limit.
initialLowLimitVolts
double The minimum voltage to be measured for all
channels in the channel string listed before a
command string that specifies a new low limit.
Output
highLimitVolts
double Returns the high limit for the specified channel.
lowLimitVolts
double Returns the low limit for the specified channel.
Return Value
error
short
integer
Refer to error codes in Table 10-5.
Parameter Discussion
channelString
is the analog input channels that are to be sampled. Refer to the Channel String
for Analog Input Functions subsection of the Easy I/O for DAQ Library Function Overview
section of this chapter for the syntax of this string.
singleChannel
is a single channel of the channel string. For example, if the channel string is
"0:3,5"
a single channel could be
"2" or "5" and so on.