Method: Add for DirectAccessChannels

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Updated2024-09-12
2 minute(s) read

Adds an object to the Channels collection of a StringBlock, FixedWidthBlock, or a BinaryBlock and returns a DirectAccessChannel object.

Set oDirectAccessChannel = Object.Add(Name, DataType)

Object

DirectAccessChannels
Object with this method

Name

String
Specifies the name of the channel.

DataType

Specifies the data type of the channel.
Enumeration with the following selection terms:

1	eI8	8-bit integer values
2	eI16	16-bit integer values
3	eI32	32-bit integer values
4	eI64	64-bit integer values
5	eByte	Byte
6	eU16	16-bit unsigned integer
7	eU32	32-bit unsigned integer
8	eU64	64-bit unsigned integer
9	eR32	32-bit real values
10	eR64	64-bit real values
23	eString	Text
24	eEnum	Enumeration
30	eTime	Time values

oDirectAccessChannel

DirectAccessChannel
Returned object

Note The channel name must be unique.

The following example shows the instructions required for reading the lines listed below:

Copy script

12.06.2004; 1.3452¶
13.06.2004; 1.7834¶
14.06.2004; 2.0034¶
15.06.2004; 1.9996¶
16.06.2004; 1.5649¶
17.06.2004; 1.8957¶

These instructions transfer the data from the text file to a StringBlock. The data is interpreted as the values of two channels. The script can access these data with DirectAccess channels.

Copy script

File.Formatter.TrimCharacters = " "
File.Formatter.LineFeeds  = vbNewLine
File.Formatter.TimeFormat = "DD.MM.YYYY"
File.Formatter.Delimiters = ";"
File.Formatter.Decimalpoint = "."

Dim oMyGrp : Set oMyGrp = Root.ChannelGroups.Add("MyChannelGroup") 
Dim oBlock : Set oBlock = File.GetStringBlock()
Dim oChn1  : Set oChn1  = oBlock.Channels.Add("Time", eTime)
Call oMyGrp.Channels.AddDirectAccessChannel(oChn1)
Dim oChn2  : Set oChn2  = oBlock.Channels.Add("YShift", eR64)
Call oMyGrp.Channels.AddDirectAccessChannel(oChn2)

Examples

Checking DataPlugins for Timeout

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Table of Contents

Method: Add for DirectAccessChannels

Examples

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