ICP DAS USA ISaGRAF VP-23W7, User Manual

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ISaGRAF WinCE ViewPAC User Manual , V.1.6 , 1/2017 by ICP DAS
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6.4 QuickerNET.DLL
This section we will focus on the description of the application example of QuickerNET.DLL functions.
There are some functions that can be used to R/W data from/to the ISaGRAF SoftLogic. The functions
of QuickerNET.DLL can be clarified as two groups as depicted as below:
1. Digital R/W Functions
2. Analog R/W Functions
6.4.1 Digital R/W Functions
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UserSetCoil
Description:
This function is to set the value to a Boolean variable by Modbus network address.
Syntax:
UserShare.UserSetCoil ( iUserAddress As System.UInt16, iStatus As byte)
Parameter:
iUserAddress : Specify the Modbus Network Address of Variable (1 to 8191) iStatus : Set the status. For
instance, iStatus = 1 for True, iStatus = 0 for False
Return Value:
None
Example:
‘ Set the output variable of Modbus Network Address “1” to True.
UserShare.UserSetCoil(Convert.ToUInt16(1), 1)
Demo program :
ISaGRAF WinCE ViewPAC CD-ROM: \napdos\isagraf\vp-25w7-23w7\vb.net-2008-demo\wp_vb01