Analysis and Design of a Modern SCADA System

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A4- 5
error in describes error conditions that occur before this VI or
function runs. The default is no error.
connection ID out has the same value as connection ID. Do not
wire this output to other UDP functions.
error out contains error information.

A 4. 10 String To IP


Converts a string to an IP network address or an array of IP
network addresses.


A 4. 11 Equal?


Returns TRUE if x is equal to y. Otherwise, this function returns
FALSE.


A 4. 12 Wait Until Next ms Multiple


Waits until the value of the millisecond timer becomes a multiple
of the specified millisecond multiple. Use this function to synchronize
activities. You can call this function in a loop to control the loop execution
rate. However, it is possible that the first loop period might be short.
Wiring a value of 0 to the milliseconds multiple input forces the current
thread to yield control of the CPU. This function makes asynchronous

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