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4-3GFK-0804B Chapter 4 The Micro PLC Instruction Set
Operation Ladder Symbol Description
Compare
Function
[S1 = S2]
[S1 > S2]
[S1 < S2]
[S1 > S2]
[S1 < S2]
[S1 0 S2]
Continue when S1 = S2
Continue when S1 > S2
Continue when S1 < S2
Continue when S1 >
S2
Continue when S1 < S2
Continue when S1 0 S2
Logic
Operation
A
[???N???! ???]
D
AND
I
[???O???! ???]
R
IOR
X
[???O???! ???]
R
XOR
S
[???H???! ???]
R
Shift Right
S
[???H???! ???]
L
Shift Left
[??? ! ???]
Not
XYO
111
100
010
000
XYO
111
101
011
000
XYO
110
101
011
000
[???! ???]
L
[???E???! ???]
N
[???! @???]
Move
Block Move
Indirect Move
Move
Operations