1246
Text String Processing Instructions Section 3-33
Description CLR$(666) clears with NUL (00 hex) the entire text string from the first word
designated by S until the NUL code (00 hex). The maximum number of char-
acters that can be cleared is 4,096. If there is no NUL before the 4,096 char-
acter, only 4,096 characters will be cleared.
Note CLR$(666) can be processed in the background. Refer to the SYSMAC CS/
CJ/NSJ Series PLC Programming Manual (W394) for details.
Flags
Example In this example, CLR$(666) is used to clear text string ABCDE.
3-33-13INSERT INTO STRING: INS$(657)
Purpose Deletes a designated text string from the middle of a text string.
Ladder Symbol
Indirect DM/EM
addresses in binary
@ D00000 to @ D32767
@ E00000 to @ E32767
@ En_00000 to @ En_32767
(n = 0 to C)
Indirect DM/EM
addresses in BCD
*D00000 to *D32767
*E00000 to *E32767
*En_00000 to *En_32767
(n = 0 to C)
Constants ---
Data Registers ---
Index Registers ---
Indirect addressing
using Index Registers
,IR0 to ,IR15
–2048 to +2047 ,IR0 to –2048 to +2047 ,IR15
DR0 to DR15, IR0 to IR15
,IR0+(++) to ,IR15+(++)
,–(– –)IR0 to, –(– –)IR15
Area S
NUL
S
S
AB
DC
Name Label Operation
Error Flag ER ON if the Communications Port Enabled Flag for the com-
munications port number specified as the Com Port num-
ber for Background Execution is OFF when background
processing is specified.
OFF in all other cases.
S: S:
S
Text string ABCDE
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