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3 DETAILS OF FUNCTION
3.2 MELSEC Data Link Functions
3.2
MELSEC Data Link Functions
This section explains the details of the MELSEC data link function.
mdClose
This function closes a communication line (channel).
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Format
short mdClose(long lPath)
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Argument
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Description
• This function closes the channel opened by the mdOpen function.
• When using multiple channels, close the channel one by one.
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Return value
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Relevant functions
Argument
Name
Description
IN/OUT
lPath
Path of channel
Specify the path of the opened channel.
IN
Return value
Description
0 (0000H)
Normal
Other than 0
Error
For details on the error, refer to the following chapter.
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