75
Sequence Input Instructions
Section 3-1
AND LOAD
AND LD
Continues on rung
Required
OR LOAD
OR LD
Continues on rung
Required
NOT
NOT
520
--- Reverses the execution condition. Continues on rung
Required
CONDITION ON
UP
521
UP(521) turns ON the execution condition for one cycle when the exe-
cution condition goes from OFF to ON.
Continues on rung
Required
CONDITION OFF
DOWN
522
DOWN(522) turns ON the execution condition for one cycle when the
execution condition goes from ON to OFF.
Continues on rung
Required
BIT TEST
LD TST
350
LD TST(350), AND TST(350), and OR TST(350) are used in the pro-
gram like LD, AND, and OR; the execution condition is ON when the
specified bit in the specified word is ON and OFF when the bit is OFF.
Continues on rung
Not required
BIT TEST
LD TSTN
351
LD TSTN(351), AND TSTN(351), and OR TSTN(351) are used in the
program like LD NOT, AND NOT, and OR NOT; the execution condition
is OFF when the specified bit in the specified word is ON and ON when
the bit is OFF.
Continues on rung
Not required
BIT TEST
AND TST
350
LD TST(350), AND TST(350), and OR TST(350) are used in the pro-
gram like LD, AND, and OR; the execution condition is ON when the
specified bit in the specified word is ON and OFF when the bit is OFF.
Continues on rung
Required
BIT TEST
AND TSTN
351
LD TSTN(351), AND TSTN(351), and OR TSTN(351) are used in the
program like LD NOT, AND NOT, and OR NOT; the execution condition
is OFF when the specified bit in the specified word is ON and ON when
the bit is OFF.
Continues on rung
Required
Instruction
Mnemonic
Code
Symbol/Operand Function Location
Execution condition
Logic block Logic block
LD
LD
AND LD
to
to
Takes a logical AND between logic blocks.
Logic block A
Logic block B
Serial connection between logic block A and