71
Area IR SR HR TR TC DM #
Bits/Words 0000 to 1807 1808 to 1907 HR 000 to 915 TR 0 to 7 TC 00 to 47 DM 00 to DM 63 0000 to 9999
or 0000 to FFFF
Appendix D
Programming Instructions
Ladder Diagram Instructions
Name
Mnemonic
Symbol Function Operands
Load
LD
LD B
Used to start instruction block with sta-
tus of designated bit.
B:
IR
SR
HR
TC
TR
Load Inverse
LD NOT
LD NOT B
Used to start instruction block with in-
verse of designated bit.
B:
IR
SR
HR
TC
TR
AND
AND
AND B
Logically ANDs status of designated bit
with execution condition.
B:
IR
SR
HR
TC
TR
AND Inverse
AND NOT
AND NOT B
Logically ANDs inverse of designated
bit with execution condition.
B:
IR
SR
HR
TC
TR
OR
OR
OR B
Logically ORs status of designated bit
with execution condition.
B:
IR
SR
HR
TC
TR
OR Inverse
OR NOT
OR NOT B
Logically ORs inverse of designated bit
with execution condition.
B:
IR
SR
HR
TC
TR
Block AND
AND LD
AND LD –
Logically ANDs results of preceding
blocks.
None
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