![background image](http://html1.mh-extra.com/html/omron/sysmac-cs1d-cpu/sysmac-cs1d-cpu_reference-manual_7422681290.webp)
1251
Text String Processing Instructions
Section 3-33
3-33-14 String Comparison Instructions (670 to 675)
Purpose
Sting comparison instructions (=$, <>$, <$, <=$, >$, >=$) compare two text
strings from the beginning, in terms of value of the ASCII codes. If the result of
the comparison is true, an ON execution condition is created for a LOAD,
AND, or OR.
Ladder Symbol
Variations
Applicable Program Areas
Operands
S1: Text String 1
S1
S2
S1
S2
S1
S2
Symbol
Symbol
Symbol
LD (Load)
AND (Series Connection)
OR (Parallel Connection)
S1
: Text string 1
S2
: Text string 2
S1
: Text string 1
S2
: Text string 2
S1
: Text string 1
S2
: Text string 2
Variations
Creates ON Each Cycle Com-
parison is True
String comparison instructions
Immediate Refreshing Specification
Not supported.
Block program areas
Step program areas
Subroutines
Interrupt tasks
OK
OK
OK
OK
15
0
S1
to
Text string data: 4,095 characters max. + NUL
S1 + maximum 2,047 words
Summary of Contents for SYSMAC CS1D-CPU**
Page 3: ...iv...
Page 29: ...xxx...
Page 185: ...146 List of Instructions by Function Code Section 2 4...
Page 1389: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2...
Page 1390: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits...
Page 1391: ...1352 ASCII Code Table Appendix A...