PointGet (function)
Syntax | PointGet ( pointId$ ) | |
Description | To read a particular point and return the value. | |
Comments | Parameter | Description |
pointId$ | String. The Point ID to get the value from. | |
Example |
|
|
See Also | PointGetMultiple (function) |
Important: For CIMPLICITY Machine Edition's array point names
Enclose CIMPLICITY Machine Edition array point names (that are passed through CIMPLICITY Plant Edition Basic) in the the ASCII encoding for single quotes Chr$(39)
.
The reason is as follows:
CIMPLICITY Machine Edition returns array points as single values using the form name[index]
.
When a CIMPLICITY Machine Edition's array point name:
-
Is not enclosed in
Chr$(39)
, BASIC will parse this out as a reference to an array element. You will receive an error indicating a bad point name. -
Is enclosed in Chr$(39) the point will not be parsed in the PointSet and PointGet BASIC procedures. The name will be passed straight through to Machine Edition.
Note: You cannot directly put a single quote (') on an argument line because the single quote in Basic denotes that the remainder of the line is a comment.
Examples
-
val = PointGet("MyPointName")
Result
PointGet
receives. MyPointName
-
val = PointGet(Chr$(39) & "MyPointName[10]" & Chr$(39))
Result
PointGet
receives 'MyPointName[10]'