Volume pwrb
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Class SubStr
Version 1.0
Modified 08-MAR-2026 11:05:32.00
Code rt_plc_macro_string.h 
 Extract a substring from a string.


 The SubStr extracts a substring from a string at the specified
 offset and with the specified length.
RtBody attributes pwr_sClass_SubStr
String80 In In String input that the substring will be extracted from.
UInt32 Start   Start index of the substring. First character has index 0.
UInt32 Length   Length of the substring.
String80 ActVal Val Output that contains the substring.
DevBody attributes 
PlcNode PlcNode  

GraphPlcNode
object_type 11
parameters[0] 1
parameters[1] 2
parameters[2] 1
parameters[3] 0
subwindows 0
graphmethod 1 (standard, common attributes)
graphindex 0
default_mask[0] 1
default_mask[1] 1
segname_annotation 1
compmethod 5
compindex 0
tracemethod 0
traceindex 0
executeordermethod 2
objname SubStr
graphname SubStr

Template Object
Length 10

Attributes detail
In Input
Class Input
Type String80
Flags STATE | RTVIRTUAL | NOEDIT | NOREMOVE
GraphName In
Body RtBody 
 String input that the substring will be extracted from.
 The input has to be connected to an output of type String.
Start Intern
Class Intern
Type UInt32
Flags
Body RtBody 
 Start index of the substring. First character has index 0.
Length Intern
Class Intern
Type UInt32
Flags
Body RtBody 
 Length of the substring.
 The maximum length is 79 characters. If the maximum length
 is exceede the substring will be cut off.
ActVal Output
Class Output
Type String80
Flags STATE | NOEDIT | REDUTRANSFER
GraphName Val
Body RtBody 
 Output that contains the substring.
PlcNode Buffer
Class Buffer
Type PlcNode
Flags INVISIBLE
Body DevBody