GE VersaMax PLC, User Manual

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11.11 SVCREQ 10: Read Folder Name
Use SVCREQ 10 to read the name of the currently-executing folder.
11.11.1 Output Parameter Block Format for SVCREQ
10
The output parameter block has a length of four words. It returns eight ASCII characters;
the last is a null character (00h). If the program name has fewer than seven characters,
null characters are added to the end.
Low Byte High Byte
address character 1 character 2
a 1 character 3 character 4
a 2 character 5 character 6
a 3 character 7 0
11.11.2 Example of SVCREQ 10
In this example, when enabling input %I0301 goes OFF, register location %R0099 is
loaded with the value 10, which is the function code for the Read Folder Name function.
The Program Block READ_ID is then called to retrieve the folder name. The parameter
block is located at address %R0100.
CONST
0010
MOVE
UINT
IN
Q %R0099
%R0099
SVC_
REQ
FNC
PARM
%R0100
READ_ID
%I0301
Program Block READ_ID
212 GFK-1503E VersaMax PLC User Manual
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